| SKYALYNE Canada Inc. CA-E-MWCA-FVEG | Federal corporation | Active | Ottawa | $11.2B |
| Advanced Chippewa Technologies Incorporated CA-E-BX2Q-YXWC | Federal corporation | Active | OTTAWA | $10.8B |
| Accelerating Sustainability Events Management INC. CA-E-D2PF-BF96 | Federal corporation | Active | Ottawa | $10.4B |
| Nisha Technologies INC. CA-E-AW7D-BN2J | Federal corporation | Active | Ottawa | $9.5B |
| Calian LTD. CA-E-PDKP-QKEE | Federal corporation | Active | Ottawa | $7.9B |
| Decisive Technologies INC. CA-E-GR8K-CJQG | Federal corporation | Active | Ottawa | $7.6B |
| Babcock Canada INC. CA-E-XDJH-5SVW | Federal corporation | Active | Ottawa | $5.8B |
| INSA Integra Corp. CA-E-YWGE-EX0V | Federal corporation | Active | Ottawa | $5.5B |
| QMR Staffing Solutions Incorporated CA-E-81NK-1D3E | Federal corporation | Active | Ottawa | $5.3B |
| NewFound Recruiting Corporation CA-E-GT5R-S5A3 | Federal corporation | Active | Ottawa | $4.2B |
| 10900800 Canada INC. CA-E-MHQW-8EQD | Federal corporation | Active | Ottawa | $4.2B |
| Fast Forward French INC. CA-E-S3TC-XANZ | Federal corporation | Active | Ottawa | $3.9B |
| Cache Computer Consulting Corp. CA-E-1Y5Z-SRSX | Federal corporation | Active | Ottawa | $3.6B |
| Telesat GEO Inc. CA-E-ZBGY-BF01 | Federal corporation | Active | Ottawa | $3.1B |
| Meltwater News Canada INC. CA-E-WGJ8-3YP9 | Federal corporation | Inactive | OTTAWA | $2.9B |
| Asokan Business Interiors INC. CA-E-169Q-597D | Federal corporation | Active | Ottawa | $2.9B |
| Beyond 20/20 INC. CA-E-ZCBS-CQQK | Federal corporation | Active | OTTAWA | $2.9B |
| ADR Ottawa Inc. CA-E-5V69-8QQ2 | Federal corporation | Active | Ottawa | $2.9B |
| Local Language Training Inc. CA-E-HX1W-QHYF | Federal corporation | Active | Ottawa | $2.8B |
| Pleiad Canada INC. CA-E-GWM7-GYZX | Federal corporation | Active | Ottawa | $2.8B |
| Ibiska Telecom INC. CA-E-T64S-H3CE | Federal corporation | Active | Ottawa | $2.3B |
| Knowledge Circle Learning Services Inc. CA-E-1JHR-G4BS | Federal corporation | Active | Ottawa | $2.2B |
| Thales Canada INC. CA-E-YDB5-MTX1 | Federal corporation | Active | OTTAWA | $2.2B |
| Canada Foundation for Sustainable Development Technology CA-E-HKK1-HW58 | Federal not-for-profit corporation | Dissolved | Ottawa | $1.7B |
| Rampart International Corp. CA-E-GS0K-E4QM | Federal corporation | Active | Ottawa | $1.6B |
| BluMetric Environmental Inc. CA-E-TWNY-BYS5 | Federal corporation | Active | OTTAWA | $1.6B |
| University Of Ottawa Foundation - CA-E-F0V4-PXSA | Federal corporation | Dissolved | OTTAWA | $1.5B |
| Canadian Institute For Health Information CA-E-61NV-TYYB | Federal not-for-profit corporation | Active | Ottawa | $1.5B |
| Spruce Creative Inc. CA-E-NFPN-8WZ5 | Federal corporation | Active | Ottawa | $1.5B |
| Lumina IT Inc. CA-E-HGQT-YK4H | Federal corporation | Inactive | OTTAWA | $1.3B |
| Claw Environmental Services INC. CA-E-H4P3-XSRD | Federal corporation | Active | Ottawa | $1.3B |
| Ubiqus Ottawa INC. CA-E-EXBF-YHVW | Federal corporation | Inactive | Ottawa | $1.2B |
| Génome Canada CA-E-G3WW-SD1D | Federal not-for-profit corporation | Active | OTTAWA | $1.2B |
| Adga Group Consultants INC. CA-E-H48R-GF8J | Federal corporation | Active | Ottawa | $1.2B |
| École de langues La Cité inc. CA-E-70C8-Y96E | Federal corporation | Active | Ottawa | $1.2B |
| Canada Post Holdings Limited CA-E-3QG4-FTF4 | Federal corporation | Dissolved | OTTAWA | $1.2B |
| Tiree Facility Solutions INC. CA-E-6KDQ-F3C1 | Federal corporation | Active | Ottawa | $1.1B |
| 3261620 Canada INC. CA-E-3HM9-F69N | Federal corporation | Active | Ottawa | $1.1B |
| Thales Dis Canada INC. CA-E-F2HC-B5BH | Federal corporation | Active | Ottawa | $1.1B |
| Taligent Consulting Inc. CA-E-RJ80-2XQP | Federal corporation | Active | Ottawa | $1.1B |
| Geofirma Engineering Ltd. CA-E-X97G-0XEA | Federal corporation | Active | OTTAWA | $1.1B |
| General Dynamics Canada LTD. CA-E-T060-FM33 | Federal corporation | Inactive | OTTAWA | $1.1B |
| Graybridge International Consulting INC. CA-E-KXKT-D6WW | Federal corporation | Active | OTTAWA | $1.1B |
| Artemp Personnel Services INC. CA-E-XB6J-KPBZ | Federal corporation | Active | OTTAWA | $1.0B |
| Adrm Technology Consulting Group Corp. CA-E-PFQC-XJPQ | Federal corporation | Active | Ottawa | $988.0M |
| Strategic Advice For Government Excellence INC. CA-E-M14H-4K2G | Federal corporation | Active | Ottawa | $965.5M |
| Canadian Bank Note Company, Limited CA-E-GXD6-MZ5E | Federal corporation | Inactive | OTTAWA | $965.2M |
| Systemscope INC. CA-E-C46A-0K3X | Federal corporation | Active | Ottawa | $949.8M |
| Businessin10 Corporation CA-E-NFB5-CEQ8 | Federal corporation | Active | OTTAWA | $939.9M |
| Federation Of Canadian Municipalities CA-E-PCBV-TG79 | Federal not-for-profit corporation | Active | OTTAWA | $931.2M |
| Interactive Audio Visual Inc. CA-E-ZTJT-RCN2 | Federal corporation | Active | OTTAWA | $927.9M |
| Lightning Tree Consulting Inc. CA-E-YHVH-1ZP0 | Federal corporation | Active | OTTAWA | $919.3M |
| Conversart Consulting Limited CA-E-57NT-V7VZ | Federal corporation | Active | OTTAWA | $914.4M |
| Presidia Security Consulting Incorporated CA-E-NTPH-JH2K | Federal corporation | Dissolved | Ottawa | $882.4M |
| The Canadian Corps of Commissionaires CA-E-BWJ3-DDCQ | Federal not-for-profit corporation | Active | OTTAWA | $878.3M |
| Valcom Consulting Group Inc. CA-E-X13R-2RCC | Federal corporation | Active | Ottawa | $869.9M |
| Colliers Project Leaders Inc. CA-E-VAHS-HFMP | Federal corporation | Active | Ottawa | $860.0M |
| KWC Architects Inc. CA-E-ATKG-XZWK | Federal corporation | Active | OTTAWA | $859.1M |
| Protak Consulting Group INC. CA-E-KPPE-RWSC | Federal corporation | Active | Ottawa | $839.3M |
| 3820840 Canada INC. CA-E-7ZE2-DGZJ | Federal corporation | Active | OTTAWA | $837.1M |
| 3829791 Canada INC. CA-E-1266-4RJ9 | Federal corporation | Active | OTTAWA | $816.9M |
| WTB Language Group Inc. CA-E-BSVA-VM3B | Federal corporation | Active | Ottawa | $801.1M |
| Phaselock Systems International INC. CA-E-G8A2-JZDM | Federal corporation | Active | OTTAWA | $800.6M |
| Colourcoding Media Inc. CA-E-W14V-2ACK | Federal corporation | Active | OTTAWA | $790.0M |
| Serco Facilities Management INC. CA-E-R9S7-S9M9 | Federal corporation | Inactive | OTTAWA | $787.2M |
| Bae Systems (canada) INC. CA-E-KDFQ-TAW1 | Federal corporation | Active | OTTAWA | $785.4M |
| Urban Workplace Inc. CA-E-FM2V-8WGR | Federal corporation | Active | Ottawa | $778.7M |
| Nasittuq Corporation CA-E-D31R-P1Z9 | Federal corporation | Active | Ottawa | $759.9M |
| Dalian Enterprises INC. CA-E-8NMH-92DW | Federal corporation | Dissolved | OTTAWA | $746.2M |
| Posterity Group Consulting Inc. CA-E-ZPHP-NNDM | Federal corporation | Active | Ottawa | $740.0M |
| National Aboriginal Capital Corporations Association CA-E-5XHQ-FC33 | Federal not-for-profit corporation | Active | Ottawa | $713.3M |
| Imatics INC. CA-E-T2KB-P9WN | Federal corporation | Active | Ottawa | $685.2M |
| Telesat LEO Holdings Inc. CA-E-0E36-R07C | Federal corporation | Inactive | Ottawa | $685.0M |
| Carleton University CA-E-FS64-2TQW | Registered charity | Current | OTTAWA | $674.7M |
| Canarie INC. CA-E-5629-91K2 | Federal not-for-profit corporation | Active | OTTAWA | $668.9M |
| 2KEYS Corporation CA-E-644N-G3D4 | Federal corporation | Active | Ottawa | $668.4M |
| Trm Technologies INC. CA-E-KKAR-E3K6 | Federal corporation | Inactive | OTTAWA | $659.8M |
| CloseReach Ltd. CA-E-DKTY-ZS8F | Federal corporation | Active | Ottawa | $584.0M |
| Care Canada CA-E-8VZ5-7010 | Registered charity | Active | Ottawa | $563.3M |
| National Arts Centre Foundation CA-E-WED2-DAY7 | Registered charity | Active | OTTAWA | $556.6M |
| The Royal Canadian Legion CA-E-754R-BN1N | Federal corporation | Active | OTTAWA | $554.8M |
| Juno Risk Solutions Inc. CA-E-T86M-FSX6 | Federal corporation | Active | Ottawa | $547.2M |
| Maverin Inc. CA-E-2N7D-RNYC | Federal corporation | Active | Ottawa | $533.2M |
| Data Centre Intelligence Inc. CA-E-GJJH-V3RB | Federal corporation | Active | Ottawa | $533.1M |
| Snc-lavalin Pae INC. CA-E-P5X5-T7MV | Federal corporation | Active | Ottawa | $532.8M |
| The Social Research And Demonstration Corporation CA-E-KSVJ-257Y | Registered charity | Active | OTTAWA | $531.2M |
| Speably Technologies Inc. CA-E-J53S-KDJJ | Federal corporation | Dissolved | Ottawa | $515.3M |
| Community Foundations Of Canada CA-E-FZBE-QNP5 | Registered charity | Active | Ottawa | $498.3M |
| Dew Engineering And Development Limited CA-E-SGK7-WB6G | Federal corporation | Inactive | OTTAWA | $478.3M |
| Colleges and Institutes Canada CA-E-P41Y-HPEE | Registered charity | Active | Ottawa | $475.7M |
| Oxaro INC. CA-E-3VKK-90XB | Federal corporation | Active | Ottawa | $474.0M |
| Markido Inc. CA-E-YEDW-5N12 | Federal corporation | Active | Ottawa | $454.9M |
| Cattan Technologies Inc. CA-E-7R3F-MTSW | Federal corporation | Active | Ottawa | $436.6M |
| Air Products Canada LTD. CA-E-FV5F-BCB0 | Federal corporation | Inactive | OTTAWA | $418.4M |
| Aga Khan Foundation Canada CA-E-1SM4-ER9H | Registered charity | Active | OTTAWA | $415.3M |
| Windreach Consulting Services INC. CA-E-5ZX2-9A0H | Federal corporation | Active | OTTAWA | $410.6M |
| United Way Of Canada - CA-E-NTW2-8AX0 | Registered charity | Active | Ottawa | $402.9M |
| Quallium Corporation CA-E-DBPS-4TBT | Federal corporation | Active | OTTAWA | $387.9M |
| Labor Tek Personnel Services LTD. CA-E-3NQJ-JFG0 | Federal corporation | Active | OTTAWA | $387.5M |
| Public Policy Forum CA-E-JTSM-HWAB | Registered charity | Active | OTTAWA | $375.5M |
| National Association Of Friendship Centres CA-E-VJX7-38V6 | Federal not-for-profit corporation | Active | OTTAWA | $369.8M |
| LMI HR Consulting Inc. CA-E-FMTX-CYR1 | Federal corporation | Active | Ottawa | $366.9M |
| Presseau Consulting Services Inc. CA-E-E4CT-NKE3 | Federal corporation | Active | Ottawa | $357.3M |
| University Of Ottawa / Université D'ottawa CA-E-7YPG-K8W0 | Registered charity | Former | OTTAWA | $356.4M |
| Snc-lavalin Defence Programs INC. CA-E-8NKX-RVGG | Federal corporation | Active | Ottawa | $334.2M |
| Digital Research Alliance of Canada CA-E-DK2Y-WR3W | Federal not-for-profit corporation | Active | Ottawa | $329.8M |
| Adaptek Systems INC. CA-E-3DXH-7FA8 | Federal corporation | Active | OTTAWA | $327.0M |
| 3005526 Canada INC. CA-E-V1CH-QKZZ | Federal corporation | Active | Ottawa | $320.5M |
| Ekos Research Associates INC. CA-E-2A81-J7EY | Federal corporation | Active | OTTAWA | $315.5M |
| Laurentian Technologies Inc. CA-E-TA8H-3EF9 | Federal corporation | Active | Ottawa | $305.4M |
| Transpolar Technology Corporation CA-E-FQ1A-8618 | Federal corporation | Active | Ottawa | $305.2M |
| Lean Agility INC. CA-E-FD73-MNEV | Federal corporation | Active | Ottawa | $305.1M |
| Rbr LTD. CA-E-QF0S-JNTR | Federal corporation | Active | Ottawa | $300.6M |
| Contract Community Inc. CA-E-JA6T-SR4P | Federal corporation | Active | Ottawa | $295.6M |
| Information And Communications Technology Council (ictc) Of Canada INC. CA-E-HNZA-WD5P | Federal not-for-profit corporation | Active | OTTAWA | $284.8M |
| Systematix Solutions Ti INC. CA-E-F0JT-B134 | Federal corporation | Active | OTTAWA | $279.8M |
| A Hundred Answers INC. CA-E-N57C-KK4M | Federal corporation | Active | Ottawa | $278.9M |
| Mental Health Commission of Canada CA-E-1EPJ-JQGA | Registered charity | Active | OTTAWA | $276.2M |
| HubSpoke Inc. CA-E-YFJQ-GRGK | Federal corporation | Active | Ottawa | $275.4M |
| Elite Environmental Group inc. CA-E-FYTA-KXJ5 | Federal corporation | Active | Ottawa | $274.9M |
| The Canadian Red Cross Society CA-E-CSCF-XWQ1 | Registered charity | Active | Ottawa | $270.7M |
| 3V Mechanical INC. CA-E-C4PS-YYSC | Federal corporation | Active | Ottawa | $267.9M |
| Saab Technologies Canada, Inc. CA-E-M01F-HNSR | Federal corporation | Inactive | OTTAWA | $267.4M |
| JML Systems & Solutions Inc. CA-E-Z186-RYV6 | Federal corporation | Active | Ottawa | $263.9M |
| Learning Tree International Inc. CA-E-NVBQ-RGEG | Federal corporation | Active | Ottawa | $255.7M |
| Confluence Consulting Inc. CA-E-K13K-SM3K | Federal corporation | Active | OTTAWA | $253.6M |
| Canadian Foundation for Healthcare Improvement (CFHI) CA-E-P467-DKHK | Registered charity | Active | Ottawa | $253.1M |
| ING Robotic Aviation Inc. CA-E-2YB2-4VVF | Federal corporation | Active | OTTAWA | $253.0M |
| Adga Limited CA-E-0JX9-BJAZ | Federal corporation | Inactive | OTTAWA | $248.4M |
| Ifathom Holdings Corp. CA-E-GYXG-45H5 | Federal corporation | Active | Ottawa | $238.6M |
| Ecole de langues Eagle Inc. CA-E-Y4GE-KJ43 | Federal corporation | Active | Ottawa | $236.6M |
| Jumping Elephants Incorporated CA-E-83B8-0HP3 | Federal corporation | Active | Ottawa | $233.0M |
| Risk Sciences International INC. CA-E-5E34-PJGB | Federal corporation | Active | Ottawa | $230.6M |
| Cuso International CA-E-8MZ1-C95V | Registered charity | Active | OTTAWA | $230.2M |
| Horizant INC. CA-E-RNP2-3WEM | Federal corporation | Active | Ottawa | $227.1M |
| FMC Professionals Inc. CA-E-CWTH-QP3G | Federal corporation | Inactive | Ottawa | $224.5M |
| Saab Microwave Canada Limited CA-E-DPH5-BCRW | Federal corporation | Active | Ottawa | $224.1M |
| Canadian Centre ON Substance Abuse CA-E-Y3AT-NW37 | Registered charity | Current | OTTAWA | $215.0M |
| The War Amputations of Canada CA-E-TVTP-28QY | Registered charity | Active | Ottawa | $206.1M |
| Canadian Blood Services Foundation CA-E-Q4VG-SKN6 | Registered charity | Active | OTTAWA | $205.8M |
| Inuit Tapiriit Kanatami CA-E-TBNH-B8YD | Registered charity | Active | OTTAWA | $204.2M |
| Amtek Engineering Services LTD. CA-E-WYTF-K3VV | Federal corporation | Inactive | OTTAWA | $200.1M |
| CTE Solutions Inc. CA-E-5XCW-8B3A | Federal corporation | Inactive | OTTAWA | $198.2M |
| Uuttuvak Consulting Incorporated CA-E-9W4D-GP4G | Federal corporation | Active | Ottawa | $195.4M |
| Asbex LTD. CA-E-BNTC-DQP2 | Federal corporation | Active | Ottawa | $194.1M |
| Channel Management International Incorporated CA-E-G5M6-KEMT | Federal corporation | Active | OTTAWA | $191.8M |
| Royal Moving & Storage (ottawa) INC. CA-E-K3ZK-MYFR | Federal corporation | Active | Ottawa | $190.3M |
| J.m. Projem Construction INC. CA-E-78Q0-W7T0 | Federal corporation | Active | OTTAWA | $190.1M |
| Indigenuity Technology INC. CA-E-HAM2-J98J | Federal corporation | Active | Ottawa | $188.3M |
| 9468269 Canada Corp. CA-E-WGPQ-8M9S | Federal corporation | Active | Ottawa | $186.9M |
| Thornley Fallis Communications Inc. CA-E-AKCQ-V3N1 | Federal corporation | Active | Ottawa | $172.3M |
| Messa Computing INC. CA-E-Q0PX-X1JS | Federal corporation | Active | Ottawa | $170.7M |
| Oxfam Canada CA-E-27PK-N30F | Registered charity | Active | OTTAWA | $169.7M |
| Prologic Systems Limited CA-E-AQS1-XN2R | Federal corporation | Active | Ottawa | $167.0M |
| Baldwin Audio Visual INC. CA-E-GS4H-Z6ZK | Federal corporation | Active | Ottawa | $166.6M |
| Theia Canada Software Inc. CA-E-FVFM-2ZAC | Federal corporation | Active | Ottawa | $161.9M |
| Canadian Museums Association CA-E-W5AF-GHJA | Registered charity | Active | Ottawa | $161.2M |
| World University Service Of Canada CA-E-B66Q-201Q | Registered charity | Active | OTTAWA | $159.9M |
| Epiq Class Action Services Canada Inc. CA-E-FDZQ-H9VE | Federal corporation | Active | Ottawa | $155.4M |
| Spartan Bioscience INC. CA-E-EE9E-K49H | Federal corporation | Active | OTTAWA | $153.4M |
| 168012 Canada INC. CA-E-MY1X-VPKY | Federal corporation | Active | Ottawa | $151.3M |
| Cowater International Holdings Inc. CA-E-SYES-2PC9 | Federal corporation | Active | Ottawa | $151.2M |
| Portage Personnel INC. CA-E-D5RV-2WBR | Federal corporation | Active | Ottawa | $151.1M |
| Nav Canada CA-E-14T4-XK2M | Federal not-for-profit corporation | Active | OTTAWA | $144.9M |
| Dare Human Resources Corporation CA-E-PWFY-TZZ3 | Federal corporation | Active | OTTAWA | $144.6M |
| Stiff Sentences Incorporated CA-E-PT3J-7XA6 | Federal corporation | Active | Ottawa | $143.9M |
| NORTAC Defence Limited CA-E-1832-SR96 | Federal corporation | Active | Ottawa | $143.9M |
| BRAWN CONSTRUCTION Ltd. CA-E-9JVH-D2F4 | Federal corporation | Active | Ottawa | $138.0M |
| 1-2-3 Testing - outils de formation linguistique, Inc. CA-E-2M01-78RB | Federal corporation | Active | Ottawa | $136.4M |
| The Lansdowne Consulting Group INC. CA-E-41JE-QNCN | Federal corporation | Active | OTTAWA | $133.5M |
| BMCR Associates Inc. CA-E-5QAQ-7P16 | Federal corporation | Active | Ottawa | $131.5M |
| 3644979 Canada INC. CA-E-YH6X-GW8Y | Federal corporation | Active | OTTAWA | $130.4M |
| Stem Cell Network CA-E-WR60-0EVF | Federal not-for-profit corporation | Active | OTTAWA | $129.5M |
| Godcharles Goulet Fournier Normand Consulting Inc. CA-E-FX90-PTHT | Federal corporation | Inactive | OTTAWA | $128.4M |
| La Cite Collegiale CA-E-TYE6-B9VK | Registered charity | Former | OTTAWA | $128.4M |
| Women's Shelters Canada CA-E-G5RA-DKFZ | Registered charity | Active | OTTAWA | $127.9M |
| Rhetorica INC. CA-E-3JFH-B0FG | Federal corporation | Dissolved | OTTAWA | $127.6M |
| National Council for Reconciliation CA-E-2MPR-MKH5 | Federal not-for-profit corporation | Active | Ottawa | $126.5M |
| Delta Photonics INC. CA-E-H7AN-BRPK | Federal corporation | Active | OTTAWA | $124.7M |
| Swimming/natation Canada CA-E-60PM-M7TF | Federal not-for-profit corporation | Active | Ottawa | $120.5M |
| Universities Canada CA-E-FRBV-3YCR | Registered charity | Active | Ottawa | $119.8M |
| Consult Ink. Limited CA-E-51Y1-CTB1 | Federal corporation | Dissolved | Ottawa | $118.2M |
| Apption Corporation CA-E-JPAK-G2Y5 | Federal corporation | Active | OTTAWA | $118.1M |
| Minose Solutions Ltd. CA-E-HX8M-A9C9 | Federal corporation | Active | Ottawa | $117.6M |
| 11991159 Canada INC. CA-E-0NDR-HCS8 | Federal corporation | Active | Ottawa | $116.2M |
| Somos Consulting Group LTD. CA-E-ZNTK-3TAS | Federal corporation | Inactive | OTTAWA | $115.9M |
| Kelly Sears Consulting Group INC. CA-E-8FR7-Q6BN | Federal corporation | Active | OTTAWA | $115.6M |
| LS telcom Limited CA-E-S2B4-8PNW | Federal corporation | Active | OTTAWA | $111.1M |
| Multishred INC. CA-E-72F5-GPQG | Federal corporation | Active | Ottawa | $110.2M |
| Actua CA-E-WVD1-QBJ2 | Registered charity | Active | OTTAWA | $105.7M |
| National Printers Limited CA-E-RYQ5-J0YT | Federal corporation | Dissolved | OTTAWA | $104.8M |
| Onix Networking Canada INC. CA-E-MHBN-G6QY | Federal corporation | Active | Ottawa | $103.9M |
| Canadian Home Builders' Association CA-E-EKZJ-XDZ2 | Federal not-for-profit corporation | Active | OTTAWA | $101.5M |
| Dollco Printing Limited CA-E-7B80-4VHG | Federal corporation | Dissolved | OTTAWA | $100.8M |
| Invest Ottawa (2013) CA-E-X8T7-X5A8 | Federal not-for-profit corporation | Active | OTTAWA | $100.8M |
| CollaborateVideo Corp. CA-E-HHKE-FB11 | Federal corporation | Active | OTTAWA | $100.7M |
| Clariti Group Inc. CA-E-WHB0-7K7S | Federal corporation | Active | Ottawa | $98.2M |
| Boyd Moving & Storage LTD. CA-E-D6VX-24RT | Federal corporation | Active | OTTAWA | $97.9M |
| Lalande + Doyle Architects INC. CA-E-XQDE-GFYD | Federal corporation | Active | Ottawa | $96.4M |
| 6222382 Canada INC. CA-E-QSM0-JHTY | Federal corporation | Active | Ottawa | $94.2M |
| Trucking Human Resources Canada CA-E-J3Z6-GC81 | Federal not-for-profit corporation | Active | Ottawa | $92.4M |
| Abi/ameublement Bureau Intérieur INC. CA-E-NVTP-GP7Q | Federal corporation | Active | Ottawa | $91.6M |
| Coaching Association Of Canada CA-E-MQWS-967M | Federal not-for-profit corporation | Active | Ottawa | $91.0M |
| 3492125 Canada INC. CA-E-ME2M-8J2V | Federal corporation | Active | Ottawa | $90.0M |
| Crypto Solutions INC. CA-E-XQTK-PX6Z | Federal corporation | Active | Ottawa | $90.0M |
| Trans Canada Trail Foundation CA-E-1YXZ-RRH3 | Registered charity | Active | Ottawa | $89.6M |
| McNolty Mechanical Inc. CA-E-6DBT-SE3N | Federal corporation | Active | Ottawa | $89.4M |
| Association des collèges et universités de la francophonie canadienne CA-E-66HP-5K89 | Federal not-for-profit corporation | Active | OTTAWA | $89.1M |
| Alcatel-Lucent Canada Inc. CA-E-F5ZF-ZS9T | Federal corporation | Active | Ottawa | $89.1M |
| Skills/Compétences Canada Corporation CA-E-KYVB-2B5R | Registered charity | Active | OTTAWA | $88.3M |
| International Safety Research INC. CA-E-9601-JF3J | Federal corporation | Inactive | OTTAWA | $88.0M |
| Fédération de la jeunesse canadienne-française CA-E-KGC3-ZXG0 | Federal not-for-profit corporation | Active | Ottawa | $85.8M |
| Sussex Circle INC. CA-E-VXDR-SNVS | Federal corporation | Inactive | Ottawa | $84.6M |
| Electricity Human Resources Canada CA-E-XQ31-HZJP | Federal not-for-profit corporation | Active | Ottawa | $83.4M |
| Canada Games Council CA-E-DW6V-WM0F | Federal not-for-profit corporation | Active | Ottawa | $83.0M |
| Canadian Paralympic Committee CA-E-57CM-S4F4 | Federal not-for-profit corporation | Active | Ottawa | $82.8M |
| L. Paul Frechette Consulting Services INC. CA-E-FG6P-WQKA | Federal corporation | Active | OTTAWA | $82.0M |
| Parriag Group INC. CA-E-MGF9-NJAY | Federal corporation | Active | Ottawa | $81.2M |
| Frequentis (canada) Limited CA-E-15R5-TFHM | Federal corporation | Active | Ottawa | $80.4M |
| Humanitarian Coalition CA-E-R4F6-02EM | Registered charity | Active | OTTAWA | $80.3M |
| Halpenny Insurance Brokers Ltd. CA-E-QJJ0-K8FK | Federal corporation | Inactive | OTTAWA | $79.4M |
| Ingenious Energy Group Inc. CA-E-66ZN-0VBK | Federal corporation | Active | Ottawa | $79.1M |
| Otrex Communications Inc. CA-E-F20S-G4TS | Federal corporation | Active | Ottawa | $79.0M |
| Bradley-Kelly Construction Ltd. CA-E-GQEQ-ME1M | Federal corporation | Active | OTTAWA | $78.4M |
| Société Santé en français inc. CA-E-DMBV-736Z | Federal not-for-profit corporation | Active | Ottawa | $76.0M |
| Ottawa Chinese Community Service Centre CA-E-1GHT-AARP | Registered charity | Current | OTTAWA | $76.0M |
| Canadian Council For Aviation & Aerospace CA-E-MJ9K-Y276 | Federal not-for-profit corporation | Active | Ottawa | $76.0M |
| Site-Secure Software Inc. CA-E-KEQP-0JV5 | Federal corporation | Active | Ottawa | $74.2M |
| Burke Cader Media Strategies INC. CA-E-4QCW-9S75 | Federal corporation | Active | OTTAWA | $74.2M |
| Speed Skating Canada CA-E-R1ZM-3RS5 | Federal not-for-profit corporation | Active | Ottawa | $73.8M |
| 7792395 Canada Inc. CA-E-XZ6M-W914 | Federal corporation | Active | Ottawa | $73.5M |
| Inter Pares CA-E-CHFN-4CC0 | Registered charity | Active | OTTAWA | $72.9M |
| Cultural Human Resources Council CA-E-BR8Y-BTEY | Registered charity | Active | OTTAWA | $71.6M |
| Canada Job One INC. CA-E-T3MD-S0B0 | Federal corporation | Dissolved | OTTAWA | $71.0M |
| J.j.m. Meloche Construction INC. CA-E-VHTC-0VFE | Federal corporation | Active | Ottawa | $70.1M |
| Steno Tran Services INC. CA-E-T0JG-767T | Federal corporation | Active | Ottawa | $69.2M |
| Precisionerp Incorporated CA-E-CGPG-WPEX | Federal corporation | Active | OTTAWA | $67.6M |
| Medical Council Of Canada - CA-E-X2M6-XMSF | Registered charity | Active | Ottawa | $67.1M |
| Canadian Paediatric Foundation CA-E-29C5-PS86 | Registered charity | Active | OTTAWA | $66.7M |
| Aeric INC. CA-E-BD3J-YAGE | Registered charity | Active | Ottawa | $65.3M |
| Auspice Safety INC. CA-E-ZMZ5-GMX1 | Federal corporation | Active | Ottawa | $63.8M |
| Canadian Wood Council - CA-E-708C-GSBG | Federal not-for-profit corporation | Active | OTTAWA | $62.4M |
| Capital Therapy Services Inc. CA-E-44GF-CDA5 | Federal corporation | Active | Ottawa | $61.9M |
| 4515111 Canada INC. CA-E-7KCM-YBSV | Federal corporation | Active | OTTAWA | $60.5M |
| Spearhead Management Canada Limited CA-E-JMS2-AWHZ | Federal corporation | Active | OTTAWA | $60.3M |
| MetaData Solutions ABC Ltd. CA-E-NMH4-ZFV6 | Federal corporation | Active | Ottawa | $59.8M |
| Solana Networks INC. CA-E-WQ8Z-V8WQ | Federal corporation | Active | Ottawa | $59.7M |
| Project Learning Tree Canada CA-E-VJMK-BWHP | Registered charity | Active | Ottawa | $59.2M |
| Forum Of Federations CA-E-12E2-WE36 | Registered charity | Active | OTTAWA | $58.9M |
| Scaffex INC. CA-E-QA5C-2CPG | Federal corporation | Active | Ottawa | $58.4M |
| Colin Lindsay Development Corporation CA-E-7W0K-YR5B | Federal corporation | Active | Ottawa | $58.3M |
| Hovey Industries (2005) Inc. CA-E-B53Y-6988 | Federal corporation | Active | Ottawa | $58.0M |
| Regulvar Canada INC. CA-E-Z4HP-TK9G | Federal corporation | Active | Ottawa | $58.0M |
| Canadawide Scientific Limited CA-E-H55M-Z5WF | Federal corporation | Active | OTTAWA | $57.8M |
| Holmes Safety Training Inc. CA-E-X5KM-64QN | Federal corporation | Active | Ottawa | $56.5M |
| Athletics Canada Foundation CA-E-1V8S-PGSK | Federal not-for-profit corporation | Active | Ottawa | $55.8M |
| 4141903 Canada INC. CA-E-7DKF-BCX6 | Federal corporation | Active | OTTAWA | $55.3M |
| Tree Canada CA-E-3T4Y-FKQ9 | Registered charity | Active | Ottawa | $55.0M |
| Congress of Aboriginal Peoples CA-E-Q67H-72RK | Federal not-for-profit corporation | Active | OTTAWA | $55.0M |
| I/O Advisory Services Inc. CA-E-XET9-SKY5 | Federal corporation | Active | Ottawa | $55.0M |
| Canadian Tourism Human Resource Council CA-E-60FS-J3HK | Federal not-for-profit corporation | Active | Ottawa | $54.0M |
| SeedChange Foundation CA-E-QTA2-J6R2 | Registered charity | Active | Ottawa | $53.1M |
| Experiences Canada CA-E-ZNS3-Q8DH | Registered charity | Active | Ottawa | $53.1M |
| Les Femmes Michif Otipemisiwak CA-E-HYRA-SHHW | Federal not-for-profit corporation | Active | Ottawa | $51.5M |
| Etico, Inc. CA-E-GRZQ-EV7Z | Federal corporation | Active | Ottawa | $51.2M |
| Seasi Consulting INC. CA-E-YH75-5JWB | Federal corporation | Active | Ottawa | $51.0M |
| Attain Insight Solutions Inc. CA-E-JPHQ-ZBNR | Federal corporation | Active | Ottawa | $50.8M |
| NatureServe Canada CA-E-S1RF-P2MS | Registered charity | Active | OTTAWA | $50.1M |
| Pennant Canada Limited CA-E-5T7B-2MNV | Federal corporation | Active | OTTAWA | $50.0M |
| generativ.ca consultants inc. CA-E-CHJ6-ZTW8 | Federal corporation | Active | OTTAWA | $49.4M |
| Phirelight Security Solutions Inc. CA-E-FSEZ-ZSXG | Federal corporation | Inactive | Ottawa | $49.2M |
| Cognita Talent Inc. CA-E-CKZK-NWYT | Federal corporation | Active | Ottawa | $49.1M |
| R.j.r. Innovations INC. CA-E-BW13-MBNW | Federal corporation | Active | Ottawa | $48.5M |
| RedMango Media Inc. CA-E-P0AQ-4XQK | Federal corporation | Active | Ottawa | $47.8M |
| STaCS DNA Inc. CA-E-4PEQ-SX5W | Federal corporation | Inactive | OTTAWA | $47.6M |
| Fédération des aînées et aînés francophones du Canada CA-E-KZF0-JA8B | Federal not-for-profit corporation | Active | OTTAWA | $47.1M |
| Doyletech Corporation CA-E-JSK6-XJSQ | Federal corporation | Active | Ottawa | $46.6M |
| Gcstrategies Incorporated CA-E-G6RH-RGV0 | Federal corporation | Inactive | OTTAWA | $46.4M |
| Ottawa Community Immigrant Services Organization/organisme Communautaire Des Services Aux Immigrants D'ottawa CA-E-9SN6-221J | Registered charity | Current | OTTAWA | $45.5M |
| RainMakers Consulting Services Inc. CA-E-4AGB-ZHEJ | Federal corporation | Inactive | OTTAWA | $44.9M |
| IceFire Studios Corp. CA-E-XFNQ-89WX | Federal corporation | Active | Ottawa | $44.8M |
| Diving Plongeon Canada CA-E-EP55-56X1 | Federal not-for-profit corporation | Active | OTTAWA | $44.4M |
| Trillium Teams INC. CA-E-7RS1-3M6A | Federal corporation | Active | OTTAWA | $44.3M |
| CMI Interlangues Inc. CA-E-23CG-ZY22 | Federal corporation | Dissolved | Ottawa | $43.0M |
| Akkada Professional Services inc. CA-E-D7YR-51JD | Federal corporation | Active | Ottawa | $43.0M |
| Sandbay Entertainment INC. CA-E-J6HF-E7W1 | Federal corporation | Active | OTTAWA | $43.0M |
| Mindwire INC. CA-E-6E76-T400 | Federal corporation | Inactive | OTTAWA | $42.8M |
| Sysnovators LTD. CA-E-3E69-GS5G | Federal corporation | Active | Ottawa | $42.5M |
| Tallysman Wireless INC. CA-E-GNBP-XWE9 | Federal corporation | Active | Ottawa | $42.2M |
| Gemma Property Services INC. CA-E-GW9E-C8ZZ | Federal corporation | Active | OTTAWA | $42.1M |
| Canadem CA-E-VHBR-K4YF | Federal not-for-profit corporation | Active | OTTAWA | $41.6M |
| John Howard Society Of Ottawa CA-E-10ZS-QW2W | Registered charity | Current | OTTAWA | $41.3M |
| Gastops Holdings Ltd. CA-E-AK8S-QQRF | Federal corporation | Active | OTTAWA | $40.8M |
| Coretracks Inc. CA-E-0CG2-CQY9 | Federal corporation | Active | OTTAWA | $40.5M |
| Canadian Parents for French CA-E-N1RN-2WBD | Registered charity | Active | Ottawa | $40.0M |
| H3 Creative INC. CA-E-FXP6-8C3G | Federal corporation | Active | Ottawa | $39.9M |
| Olav Consulting Corp. CA-E-H54N-W4PD | Federal corporation | Active | OTTAWA | $39.6M |
| Compuphile Systems INC. CA-E-ENV6-2E84 | Federal corporation | Active | OTTAWA | $39.5M |
| Plomberie Zibi Inc. CA-E-8VCX-62WW | Federal corporation | Active | Ottawa | $39.5M |
| Primexx Ventures Inc. CA-E-BH02-R587 | Federal corporation | Active | Ottawa | $39.3M |
| Yarmand Tech LTD. CA-E-8PGJ-06JP | Federal corporation | Active | Ottawa | $39.1M |
| BRYCA Solutions Inc. CA-E-RM99-A4ZY | Federal corporation | Active | OTTAWA | $39.1M |
| Centre for Canadian Language Benchmarks CA-E-94P0-EDNM | Registered charity | Active | OTTAWA | $38.9M |
| SSC Script Services Corporation CA-E-28YH-B6YB | Federal corporation | Active | Ottawa | $38.8M |
| Canadian Alliance INC. - CA-E-VR8V-FZ35 | Federal not-for-profit corporation | Active | Ottawa | $38.7M |
| Eliquo Training & Development Incorporated CA-E-6HM0-SJ1H | Federal corporation | Active | Ottawa | $38.7M |
| Cannonbye Construction LTD. CA-E-91DN-DC36 | Federal corporation | Active | OTTAWA | $38.2M |
| SynerSolutions Technologies Inc. CA-E-GABA-HPCA | Federal corporation | Active | Ottawa | $38.1M |
| Bradda Printing Services INC. CA-E-7EVW-HTZF | Federal corporation | Active | Ottawa | $37.9M |
| The Institute on Governance CA-E-FH2G-0ZG4 | Registered charity | Active | OTTAWA | $37.7M |
| Canadian Rug Traders Ltd. CA-E-RQJR-AG6T | Federal corporation | Active | Ottawa | $37.5M |
| Pentelar Inc. CA-E-T2S8-YXQC | Federal corporation | Dissolved | Ottawa | $37.0M |
| 12060477 Canada Inc. CA-E-AXCV-7DB7 | Federal corporation | Active | Ottawa | $36.6M |
| Pauktuutit Inuit Women of Canada CA-E-ZMPY-7YX7 | Federal not-for-profit corporation | Active | OTTAWA | $36.6M |
| The Priory Of Canada Of The Most Venerable Order Of The Hospital Of St. John Of Jerusalem CA-E-77T6-H1EH | Registered charity | Active | OTTAWA | $36.1M |
| Les Entreprises Prebbel Enterprises INC. CA-E-N7J5-7Z29 | Federal corporation | Active | OTTAWA | $35.8M |
| Ctc Traincanada INC. CA-E-6315-M63Q | Federal corporation | Inactive | OTTAWA | $35.6M |
| Proximify Inc. CA-E-78XT-QYNE | Federal corporation | Active | Ottawa | $35.6M |
| YoppWorks Inc. CA-E-FGV3-R5Y9 | Federal corporation | Inactive | Ottawa | $35.6M |
| Helm's Deep Consulting Corp. CA-E-P94M-HM17 | Federal corporation | Active | Ottawa | $35.4M |
| Xanalys Canada Inc. CA-E-EJ4C-HKTW | Federal corporation | Active | Ottawa | $35.3M |
| Evidence Partners Incorporated CA-E-KKJ4-G6A2 | Federal corporation | Active | Ottawa | $35.1M |
| Blue Water Sourcing INC. CA-E-11QE-RM1P | Federal corporation | Active | OTTAWA | $35.0M |
| United Nations Association in Canada CA-E-J8F9-J0G6 | Registered charity | Active | Ottawa | $34.8M |
| My Catering Group Inc. CA-E-N03X-7Z74 | Federal corporation | Active | Ottawa | $34.6M |
| Magor Communications Corp. CA-E-0YKF-263E | Federal corporation | Inactive | Ottawa | $34.3M |
| Thinkpoint INC. CA-E-NYT8-08GN | Federal corporation | Active | Ottawa | $33.9M |
| Metis National Council Secretariat Inc. CA-E-CHVD-S6VA | Federal not-for-profit corporation | Active | OTTAWA | $33.5M |
| Building Blocks Technologies Inc. CA-E-ZPT6-J776 | Federal corporation | Active | OTTAWA | $33.4M |
| Ottawa Moving Logistics 2013 Inc. CA-E-BC8V-5KDT | Federal corporation | Active | Ottawa | $33.2M |
| Evripos Janitorial Services LTD. CA-E-Q0DC-F6Q7 | Federal corporation | Active | OTTAWA | $33.0M |
| AvePoint Canada Ltd. CA-E-098V-23YE | Federal corporation | Inactive | OTTAWA | $33.0M |
| Lci Engineering INC. CA-E-XP5R-QV3E | Federal corporation | Inactive | OTTAWA | $32.9M |
| Jewish Family Services Of Ottawa CA-E-3YBN-W3HP | Registered charity | Former | OTTAWA | $32.7M |
| Rideau Hall Foundation CA-E-SRW9-6571 | Registered charity | Active | Ottawa | $32.0M |
| Dunn Engineering INC. CA-E-VDYP-TPZ7 | Federal corporation | Active | OTTAWA | $31.7M |
| Inuit Broadcasting Corporation CA-E-S7V8-FBY3 | Registered charity | Active | OTTAWA | $31.2M |
| Honey Construction Limited CA-E-28RW-3QE0 | Federal corporation | Dissolved | Ottawa | $30.5M |
| Ovik INC. CA-E-W5TZ-RYX9 | Federal corporation | Active | Ottawa | $30.5M |
| Rm Graphic Services INC. CA-E-6F86-2YAQ | Federal corporation | Active | Ottawa | $30.3M |
| Veterinarians Without Borders CA-E-JF7P-FBS6 | Registered charity | Active | OTTAWA | $29.9M |
| Languissimo Inc. CA-E-NSS4-EQMR | Federal corporation | Active | Ottawa | $29.4M |
| Irvine Interpretation Inc. CA-E-03RH-Z3E9 | Federal corporation | Active | Ottawa | $29.0M |
| Souliere Holdings INC. CA-E-MG6Z-AEJQ | Federal corporation | Active | Ottawa | $29.0M |
| Elemental Data Collection Inc. CA-E-P2E2-JD8W | Federal corporation | Active | OTTAWA | $29.0M |
| Canada Safety Council CA-E-JWCA-KQC3 | Registered charity | Active | OTTAWA | $27.5M |
| Canadian Council Of Archives CA-E-AW22-ZDCQ | Registered charity | Active | Ottawa | $25.3M |
| BridgeCast Inc. CA-E-NQTY-9S6R | Federal corporation | Active | Ottawa | $25.1M |
| Nourish Leadership CA-E-98QA-96WE | Registered charity | Active | Ottawa | $24.5M |
| Independent Living Canada CA-E-ZPW5-RP2D | Registered charity | Active | Ottawa | $24.3M |
| Volunteer Canada - CA-E-AKWC-Y7J7 | Registered charity | Active | Ottawa | $23.9M |
| Canadian Parks And Recreation Association CA-E-Q4E5-6K6E | Registered charity | Active | Ottawa | $23.4M |
| HealthBridge Foundation of Canada CA-E-WCC8-JXJZ | Registered charity | Active | OTTAWA | $22.4M |
| Canadian 4-H Council CA-E-R5TY-B7HR | Registered charity | Active | OTTAWA | $22.1M |
| Tungasuvvingat Inuit CA-E-081T-CB6F | Registered charity | Active | Ottawa | $20.9M |
| Somali Centre for Family Services CA-E-NDGQ-8W9G | Registered charity | Active | OTTAWA | $18.9M |
| Operation Come Home Foundation CA-E-4FR9-P68C | Registered charity | Active | Ottawa | $18.7M |
| Ottawa Hospital Research Institute/ Institut De Recherche De L'hopital D'ottawa CA-E-Q09D-37R1 | Registered charity | Current | OTTAWA | $18.3M |
| Standards Council Of Canada CA-E-JY7X-YN50 | Registered charity | Active | OTTAWA | $17.4M |
| Sakku Ventures INC. CA-E-6F7J-CTA9 | Federal corporation | Active | Ottawa | $16.5M |
| Réseau Pour Le Développement De L'alphabétisme Et Des Compétences Canada INC. CA-E-4N27-7B5Q | Registered charity | Active | OTTAWA | $16.4M |
| Parents Partenaires En Education CA-E-RG2T-1JCK | Registered charity | Current | OTTAWA | $16.4M |
| Canadian Bureau for International Education CA-E-PWPJ-FXQZ | Registered charity | Active | Ottawa | $16.3M |
| Quorus Consulting Group Inc. CA-E-13KY-X0CB | Federal corporation | Active | Ottawa | $15.7M |
| Equality Fund CA-E-XAXZ-CTS1 | Registered charity | Active | OTTAWA | $15.5M |
| Immigrant Women Services Ottawa CA-E-TT4D-7Y22 | Registered charity | Current | OTTAWA | $15.4M |
| National Judicial Institute CA-E-ZGW8-HP7J | Registered charity | Active | OTTAWA | $15.3M |
| The Ottawa Food Bank CA-E-N8Y8-RP1Q | Registered charity | Active | Ottawa | $15.1M |
| Global Centre for Pluralism CA-E-WFXV-1FPV | Registered charity | Active | OTTAWA | $15.0M |
| Mediasmarts CA-E-GHPS-RZGX | Registered charity | Active | OTTAWA | $14.0M |
| Canadian Federation for the Humanities and Social Sciences CA-E-DV5S-8VH4 | Registered charity | Active | Ottawa | $13.1M |
| Pallium Foundation Of Canada CA-E-26Q7-847F | Registered charity | Active | Ottawa | $12.1M |
| Larrass Translations Inc. CA-E-MPW7-Q6TS | Federal corporation | Active | OTTAWA | $11.7M |
| Gambit ID Inc. CA-E-06V7-E8NC | Federal corporation | Active | Ottawa | $11.5M |
| Farm Radio International CA-E-2C98-0FTF | Registered charity | Active | OTTAWA | $11.3M |
| NATIONAL TRUST for CANADA CA-E-TJ51-4Y52 | Registered charity | Active | OTTAWA | $11.3M |
| Michaëlle Jean Foundation CA-E-AS85-4B06 | Registered charity | Active | OTTAWA | $11.0M |
| Canadian Career Development Foundation CA-E-8FPD-DFCS | Registered charity | Active | OTTAWA | $10.7M |
| Causeway Work Centre CA-E-57PW-C52S | Registered charity | Current | OTTAWA | $10.3M |
| The Association of Faculties of Medicine of Canada CA-E-M95K-4PYX | Registered charity | Active | Ottawa | $10.2M |
| The Beechwood Cemetery Foundation CA-E-BFHX-YJGT | Registered charity | Active | OTTAWA | $10.1M |
| S.t.c.g. The Stanford (training And Consulting) Group LTD. CA-E-K502-D52Y | Federal corporation | Inactive | OTTAWA | $10.0M |
| Action Canada For Sexual Health And Rights CA-E-DQY9-R0HF | Registered charity | Active | Ottawa | $9.8M |
| The Canadian Public Health Association CA-E-WRMS-DBGD | Registered charity | Active | OTTAWA | $9.7M |
| The Canadian Bar Association CA-E-WMQD-H7EK | Registered charity | Active | Ottawa | $9.6M |
| Parliamentary Centre CA-E-6JA7-5DRV | Registered charity | Active | OTTAWA | $9.6M |
| Mattawa IT Solutions Inc. CA-E-EYT9-JN2H | Federal corporation | Active | Ottawa | $9.5M |
| Action Canada Foundation CA-E-NSSZ-CT95 | Registered charity | Active | Ottawa | $9.3M |
| Sub-Rosa Solutions Corp. CA-E-YT3G-41YH | Federal corporation | Active | Ottawa | $9.3M |
| Physical and Health Education Canada (PHE Canada) CA-E-GNTH-XZ5S | Registered charity | Active | Ottawa | $8.8M |
| Canadian Parks And Wilderness Society CA-E-J3K2-921F | Registered charity | Active | Ottawa | $8.6M |
| Canadian Arts Presenting Association CA-E-5KAF-D1P1 | Registered charity | Active | Ottawa | $8.3M |
| Accreditation Canada CA-E-YCED-S5ZG | Registered charity | Active | OTTAWA | $8.2M |
| Indigenous Peoples Resilience Fund CA-E-0ASF-QMZ9 | Registered charity | Active | Ottawa | $8.2M |
| Canadian Museum Of Nature Foundation CA-E-3JKF-CHQ6 | Registered charity | Active | OTTAWA | $8.1M |
| Watercan/eau Vive Corporation CA-E-NSAH-XMRX | Registered charity | Active | OTTAWA | $8.0M |
| Centre De Theatre Francophone D'ottawa CA-E-QSQT-YTYH | Registered charity | Former | OTTAWA | $7.8M |
| Canadian Coast Guard Auxiliary (National) Inc. CA-E-YN1S-M1T5 | Registered charity | Active | Ottawa | $7.8M |
| Wabano Centre For Aboriginal Health INC. CA-E-82FZ-NFF4 | Registered charity | Active | OTTAWA | $7.8M |
| Tel-aide Outaouais CA-E-RFM9-S9DM | Registered charity | Active | OTTAWA | $7.4M |
| Childrens Hospital Of Eastern Ontario - Ottawa Children's Treatment Centre CA-E-E3T9-VPQH | Registered charity | Current | OTTAWA | $7.4M |
| Helpage Canada CA-E-GSF5-NAQM | Registered charity | Active | OTTAWA | $7.0M |
| SYSCO SERCA Food Services, Inc. CA-E-0H5C-MPZD | Federal corporation | Active | Ottawa | $6.9M |
| Library and Archives Canada Foundation CA-E-DFTA-P5QG | Registered charity | Active | Ottawa | $6.9M |
| Canadian Hard Of Hearing Association CA-E-7RT3-TW2K | Registered charity | Active | Ottawa | $6.7M |
| Ottawa Jazz Festival INC. CA-E-7DPY-T66J | Registered charity | Current | OTTAWA | $6.6M |
| Réseau canadien pour le dialogue des cultures CA-E-X3YZ-BYYY | Registered charity | Active | OTTAWA | $6.3M |
| Juxta Architects INC. CA-E-10HA-QQY7 | Federal corporation | Active | Ottawa | $6.1M |
| Scouts Canada CA-E-S996-MB0Y | Registered charity | Active | OTTAWA | $6.1M |
| Ottawa Bluesfest Foundation CA-E-WK8F-49Y8 | Registered charity | Active | Ottawa | $6.0M |
| Community Addictions Peer Support Association of Ottawa CA-E-9J4W-KAXP | Registered charity | Active | Ottawa | $5.8M |
| Children's Village Of Ottawa-carleton CA-E-QRCP-MDNB | Registered charity | Former | OTTAWA | $5.6M |
| Musée Bytown Museum CA-E-XHG4-T5VX | Registered charity | Active | OTTAWA | $5.3M |
| Lebanese & Arab Social Services Agency CA-E-NMP0-K7B3 | Registered charity | Active | OTTAWA | $5.3M |
| Children's Hospital of Eastern Ontario Research Institute Inc. CA-E-FK9Y-6CHT | Registered charity | Active | OTTAWA | $5.1M |
| The Royal Canadian Geographical Society CA-E-TV7Z-XHPX | Registered charity | Active | OTTAWA | $4.9M |
| Brezach Solutions Incorporated CA-E-GDVV-GY56 | Federal corporation | Active | Ottawa | $4.5M |
| The Public Interest Advocacy Centre CA-E-3RNY-R01H | Registered charity | Active | OTTAWA | $4.4M |
| Canadian Lacrosse Foundation CA-E-FYZW-YNSE | Registered charity | Active | Ottawa | $4.3M |
| Canadian Hospice Palliative Care Association CA-E-NGGF-453N | Registered charity | Active | Ottawa | $4.2M |
| Le français pour l’avenir CA-E-FE3Y-CAWX | Registered charity | Active | Ottawa | $4.2M |
| Societe Franco-ontarienne De L'autisme CA-E-3WX8-WEQ7 | Registered charity | Former | OTTAWA | $4.0M |
| Canadian Criminal Justice Association CA-E-FVY1-22YG | Registered charity | Active | OTTAWA | $3.9M |
| Health Standards Organization CA-E-HFF3-JA6V | Registered charity | Active | OTTAWA | $3.9M |
| Théâtre la Catapulte CA-E-8SZE-9HVX | Registered charity | Active | Ottawa | $3.7M |
| Bronson Centre Inc. CA-E-5CSS-1AXD | Registered charity | Active | Ottawa | $3.6M |
| QUEST - Quality Urban Energy Systems of Tomorrow CA-E-YC0T-RA49 | Registered charity | Active | Ottawa | $3.6M |
| Canadian Child Care Federation CA-E-P8BN-W54X | Registered charity | Active | OTTAWA | $3.5M |
| Coopération intégration Canada Inc. CA-E-5V9F-K8CD | Registered charity | Active | OTTAWA | $3.3M |
| Dress For Success Canada Foundation CA-E-B3VH-M581 | Registered charity | Active | Ottawa | $3.3M |
| Canadian Centre for Gender & Sexual Diversity CA-E-0PKD-PNYE | Registered charity | Active | OTTAWA | $3.2M |
| Somerset West Community Health Centre CA-E-FXFH-K4TH | Registered charity | Former | OTTAWA | $3.2M |
| The Canadian Cerebral Palsy Sports Association CA-E-X1TW-6G79 | Registered charity | Active | Ottawa | $3.1M |
| Ottawa Heart Institute Research Corporation - CA-E-3GZN-9QQN | Registered charity | Active | OTTAWA | $3.1M |
| Canadian Centre For Policy Alternatives CA-E-HEGK-KQW6 | Registered charity | Active | Ottawa | $3.0M |
| LiveWorkPlay CA-E-GQ7A-P850 | Registered charity | Active | Ottawa | $3.0M |
| MC Motivate Canada CA-E-E9D1-JSNX | Registered charity | Active | Ottawa | $3.0M |
| Advanced Coronary Treatment (act) Foundation Of Canada, INC. CA-E-VYAM-4QDK | Registered charity | Active | OTTAWA | $2.9M |
| Tci Translators, Conference Interpreters INC. CA-E-G9VG-XYYH | Federal corporation | Active | OTTAWA | $2.9M |
| Child and Youth Permanency Council of Canada CA-E-T7XG-WYAD | Registered charity | Active | Ottawa | $2.7M |
| Voice Found CA-E-HP1S-28RX | Registered charity | Active | Ottawa | $2.6M |
| Ottawa Children’s Festival de la Jeunesse CA-E-CPFD-C2Z6 | Registered charity | Active | OTTAWA | $2.6M |
| J. Connelly Rental LTD. CA-E-VMP0-PK4K | Federal corporation | Active | Ottawa | $2.6M |
| GS Interpreting Inc. CA-E-N8SK-KP1J | Federal corporation | Active | Ottawa | $2.5M |
| Canadian Agri-Food Policy Institute CA-E-43KF-8H7G | Registered charity | Active | Ottawa | $2.5M |
| Canadian Fallen Firefighters Foundation CA-E-V5KM-WDNZ | Registered charity | Active | OTTAWA | $2.5M |
| Oneness - World Communications CA-E-TRGA-3TW4 | Registered charity | Active | OTTAWA | $2.5M |
| Brain Injury Canada CA-E-BYTN-YD92 | Registered charity | Active | Ottawa | $2.5M |
| Canadian Association Of Fairs And Exhibitions CA-E-F4P1-BPZT | Registered charity | Active | Ottawa | $2.4M |
| The Air Cadet League of Canada - CA-E-QTBT-VZZ0 | Registered charity | Active | OTTAWA | $2.3M |
| The Duke Of Edinburgh's International Award - Canada CA-E-N1K1-RBWN | Registered charity | Active | Ottawa | $2.3M |
| Alliance Française De La Région De La Capitale Nationale Du Canada CA-E-JH7S-BKYR | Registered charity | Active | Ottawa | $2.2M |
| National Gallery Of Canada Foundation CA-E-A132-CC6A | Registered charity | Active | OTTAWA | $2.1M |
| Ottawa Riverkeeper Inc. CA-E-JK9R-VBBG | Registered charity | Active | Ottawa | $2.1M |
| Creative City Network Of Canada CA-E-M8NW-YRRQ | Registered charity | Active | Ottawa | $2.0M |
| Canadian Federation Of Humane Societies CA-E-6TZ8-ANY2 | Registered charity | Active | Ottawa | $2.0M |
| St.leonard's Society Of Canada CA-E-048S-ZSC3 | Registered charity | Active | OTTAWA | $2.0M |
| Minwaashin Lodge - Indigenous Women's Support Centre CA-E-151S-NCR7 | Registered charity | Active | OTTAWA | $1.9M |
| African Canadian Association of Ottawa CA-E-X2QE-RJXC | Registered charity | Active | Ottawa | $1.8M |
| Canadian Organic Growers Inc. CA-E-DN9B-TGZ7 | Registered charity | Active | Ottawa | $1.8M |
| Association of Canada Lands Surveyors Foundation Inc. CA-E-GB3J-T50C | Registered charity | Active | OTTAWA | $1.8M |
| Families Canada CA-E-XKMV-3JDE | Registered charity | Active | Ottawa | $1.8M |
| The Ottawa Hospital Foundation CA-E-05QQ-J9VM | Registered charity | Active | OTTAWA | $1.7M |
| Woodvale Pentecostal Church CA-E-PA72-892M | Registered charity | Active | OTTAWA | $1.7M |
| Canada Fetal Alcohol Spectrum Disorder Research Network CA-E-RKCC-5GTX | Registered charity | Active | Ottawa | $1.6M |
| Ottawa Torah Centre CA-E-PB7J-7YCC | Registered charity | Active | OTTAWA | $1.6M |
| Canadian Institute For Conflict Resolution CA-E-HFB0-C20D | Registered charity | Active | Ottawa | $1.6M |
| Canadian Research Institute for the Advancement of Women CA-E-2BNG-AJ8Y | Registered charity | Active | Ottawa | $1.5M |
| Boys And Girls Club Of Ottawa CA-E-SNHA-S0KP | Registered charity | Current | OTTAWA | $1.4M |
| Northern Youth Abroad CA-E-Y58Y-3QHM | Registered charity | Active | OTTAWA | $1.3M |
| Shepherds Of Good Hope Foundation CA-E-F7BX-0CJD | Registered charity | Active | OTTAWA | $1.3M |
| The Duke Of Edinburgh Commonwealth Study Conferences Canada INC. CA-E-J55T-7XSM | Registered charity | Active | Ottawa | $1.3M |
| Informed Perspectives CA-E-ABFA-NXY8 | Registered charity | Active | Ottawa | $1.2M |
| Cornerstone Housing For Women CA-E-B4J0-EVFK | Registered charity | Active | OTTAWA | $1.2M |
| Canadian Aids Society CA-E-3R5X-YAN5 | Registered charity | Active | Ottawa | $1.2M |
| Physicians for a Smoke-Free Canada CA-E-YXMM-790C | Registered charity | Active | Ottawa | $1.1M |
| Centre For The Study Of Living Standards CA-E-HDHB-0AKT | Registered charity | Active | OTTAWA | $1.1M |
| Ottawa Rape Crisis Centre CA-E-REGT-TWKT | Registered charity | Active | Ottawa | $1.0M |
| Institut du savoir Montfort CA-E-W3RZ-KNX5 | Registered charity | Active | Ottawa | $1.0M |
| Assunnah Muslims Association CA-E-PZVZ-BH07 | Registered charity | Active | OTTAWA | $992K |
| Nunavut Sivuniksavut CA-E-N65Q-JCS5 | Registered charity | Active | OTTAWA | $933K |
| Odyssey Showcase CA-E-1K5S-V6YJ | Registered charity | Active | OTTAWA | $857K |
| Active Abilities Canada Inc. CA-E-QP2V-V1VT | Registered charity | Active | OTTAWA | $841K |
| The Vanier Institute Of The Family CA-E-H6CC-BQ8Y | Registered charity | Active | OTTAWA | $665K |
| Veterans' House Canada CA-E-80TK-RMG2 | Registered charity | Active | Ottawa | $635K |
| Makonsag Aboriginal Head Start Inc. CA-E-125H-2K01 | Registered charity | Active | Ottawa | $631K |
| The Canadian Tulip Legacy CA-E-TCSH-5TCB | Registered charity | Active | Ottawa | $620K |
| National Educational Association of Disabled Students (NEADS) CA-E-P6DY-DNSE | Registered charity | Active | OTTAWA | $611K |
| Davtech Analytical Services (canada) INC. CA-E-TV78-K251 | Federal corporation | Active | Ottawa | $607K |
| Tewegan Housing for Aboriginal Youth CA-E-F547-F9DH | Registered charity | Active | OTTAWA | $592K |
| The Canadian Historical Association CA-E-A01D-DZJV | Registered charity | Active | OTTAWA | $584K |
| First Nations Child And Family Caring Society Of Canada CA-E-F816-HBXK | Registered charity | Active | Ottawa | $576K |
| COPA Flight Safety Foundation CA-E-8DTH-0Z4S | Registered charity | Active | OTTAWA | $559K |
| Saw Video Association CA-E-VR2M-DDZF | Registered charity | Active | Ottawa | $528K |
| Canadian Meteorological And Oceanographic Society CA-E-NYFT-DA58 | Registered charity | Active | OTTAWA | $433K |
| RCMP Veterans' Association Foundation CA-E-EHCA-R2SM | Registered charity | Active | Ottawa | $413K |
| HEARTWOOD HOUSE: au coeur de la vie CA-E-51GM-W076 | Registered charity | Active | Ottawa | $392K |
| Théâtre du Trillium Inc. CA-E-YA8D-8X53 | Registered charity | Active | Ottawa | $390K |
| The Royal Society Of Canada CA-E-VAK0-N08M | Registered charity | Active | OTTAWA | $385K |
| Black History Ottawa Corporation CA-E-R0PZ-H609 | Registered charity | Active | OTTAWA | $385K |