Federal corporations in Mississauga, Ontario
38,331 active corporations have their registered office here. Page 151 of 192.
| Company | Governing act | Registered |
|---|---|---|
| OneGlobe Information Technology Services Inc. No. 14432908 · 200-55 Village Centre Place · L4Z 1V9 | CBCA | 7 October 2022 |
| OneHome Global Foundation No. 14836529 · 4686 Drakestone Crescent · L5R 1K5 | NFP Act | 10 March 2023 |
| OneNas Inc. No. 15878829 · 1811-430 Square One Dr · L5B 0L6 | CBCA | 20 March 2024 |
| Oneness Education Foundation No. 14896751 · 2550 Argentia Rd · L5N 5R1 | NFP Act | 30 March 2023 |
| ONEQODE INTERNATIONAL CORP. No. 11990454 · 77 City Centre Drive, East Tower · L5B 1M5 | CBCA | 3 April 2020 |
| ONEStack Solutions Inc. No. 15286336 · 4809 Bluefeather Lane · L5R 0E1 | CBCA | 16 August 2023 |
| ONESTEP YOGA AND FITNESS Inc. No. 16933238 · Unit 2009 · L5B 0L7 | CBCA | 22 April 2025 |
| OneSys Inc. No. 17984413 · 523 Ravenstone Crt · L5R 4A6 | CBCA | 1 June 2026 |
| OneWorld Peace Association No. 14626311 · 1415 North Mill Court · L5V 1S3 | NFP Act | 23 December 2022 |
| ONGEN Consulting Inc. No. 15402671 · 5 Ellesboro Drive · L5N 1B9 | CBCA | 28 September 2023 |
| OnGraph Technologies Corporation No. 9763422 · 7- 1039 CEDARGLEN GATE · L5C 3A7 | CBCA | 23 May 2016 |
| ONINFO Canada Inc.Dissolution pending No. 15956153 · 67 Clockwork dr · L5S 1V7 | CBCA | 17 April 2024 |
| Online Drivers Incorporated No. 12792222 · 7090 Landen Court · L4T 2J1 | CBCA | 3 March 2021 |
| OnlineOrbit Enterprises Limited No. 16005055 · 2300 CONFEDERATION PARKWAY · L5B 1R5 | CBCA | 4 May 2024 |
| OnlineTijarat Inc. No. 11864661 · 3276 Raindance Crescent · L5N 8L8 | CBCA | 25 January 2020 |
| Only ASK Inc. No. 9899685 · 470 Winfield Terrace · L5R 1P6 | CBCA | 9 September 2016 |
| Only Bogeys Inc. No. 15006163 · 1093 Gardner Avenue · L5E 1B6 | CBCA | 8 May 2023 |
| ONNE CONSULTING INC. No. 17657994 · 6859 Edenwood Dr · L5N 5Z8 | CBCA | 29 January 2026 |
| Onnrun Technologies Inc. No. 18049734 · 958 Bristol Rd W · L5V 0C5 | CBCA | 26 June 2026 |
| ONPrime Logistics Inc. No. 17013655 · 3421 Ellengale Dr · L5C 1Z5 | CBCA | 26 May 2025 |
| Onqube Ebiz Solutions Inc. No. 10280429 · 4070 Confederation Parkway · L5B 0E9 | CBCA | 14 June 2017 |
| ONR Services Inc. No. 7042485 · 4657 COLOMBO CRESCENT · L5M 7R2 | CBCA | 11 September 2008 |
| ONS Financials Inc. No. 7611889 · 7 - 7015 Tranmere Drive · L5S 1T7 | CBCA | 28 July 2010 |
| ONS worldwide Inc. No. 13365379 · 698 Galloway Cres · L5C 3W1 | CBCA | 21 September 2021 |
| OnScholars Ltd. No. 16885349 · 23 Moonstream Ct · L5N 2P8 | CBCA | 4 April 2025 |
| Onsective Inc. No. 17682328 · 3464 Nighthawk Trail · L5N 6G3 | CBCA | 7 February 2026 |
| Onshore Advisors Ltd. No. 10592676 · 5800 Ambler Drive · L4W 4J4 | CBCA | 22 January 2018 |
| Onshore Projects and Ventures Corporation No. 11983784 · 210-5800 Ambler Dr · L4W 4J4 | CBCA | 30 March 2020 |
| Onsite WeldForce corp. No. 16515177 · 1780 Sismet Rd · L4W 1Y8 | CBCA | 11 November 2024 |
| ONSITE310S Inc. No. 18106266 · 3071 Cawthra RD #2 · L5A 2X4 | CBCA | 21 July 2026 |
| Ontarico Creative Inc. No. 13856542 · 5363 Turney Drive · L5M 1Z4 | CBCA | 31 March 2022 |
| Ontario AI Centre Inc. No. 16472141 · 1290 Central Pkwy W Suite 1100 · L5C 4R3 | CBCA | 24 October 2024 |
| ONTARIO BENEFITS SERVICES LTD. No. 11977644 · 2110 Matheson Boulevard East, Suite 200 · L4W 5E1 | CBCA | 26 March 2020 |
| ONTARIO BRAZILIAN ASSOCIATION No. 9846336 · 30-6780 Davand Dr · L5T 2G4 | NFP Act | 27 July 2016 |
| Ontario Building Experts Corporation No. 12720949 · 1010-4633 Glen Erin Drive · L5M 0Y6 | CBCA | 10 February 2021 |
| ONTARIO BUSINESS EXCELLENCE INC. No. 16696716 · 1692 Casablanca Cir · L5N 8G2 | CBCA | 26 January 2025 |
| ONTARIO CANADA HOLYGHOST CHRISTIAN CENTRE No. 17169604 · 2872 Gardenview Crescent · L5M 5T4 | NFP Act | 17 July 2025 |
| Ontario Cardiac Care Inc. No. 16500846 · 809-70 Absolute Ave · L4Z 0A4 | CBCA | 5 November 2024 |
| ONTARIO CASH & CARRY INC. No. 16507395 · 5435 Tenth Line W · L5M 0N1 | CBCA | 7 November 2024 |
| Ontario College of Business & Law Corp. No. 8424306 · 7071 Airport Rd · L4T 4J3 | CBCA | 4 February 2013 |
| ONTARIO COLLEGE OF DRIVING AND TRANSPORTATION INC. No. 12310082 · 7633 Redstone Rd · L4T 2B7 | CBCA | 1 September 2020 |
| Ontario College of Pharmaceutical Science & Technology (OCPST) Inc. No. 12160625 · 7322 Shallford Road · L4T 2P7 | CBCA | 16 July 2020 |
| ONTARIO CONCRETE AWARDS No. 10075710 · 102B-1 Prologis Blvd · L5W 0G2 | NFP Act | 26 May 2017 |
| Ontario Elite Home Builders Inc. No. 18017549 · 14-980 Pacific Gate · L5T 1Y1 | CBCA | 14 June 2026 |
| Ontario General Staffing Solution Inc.Dissolution pending No. 15185335 · 55 Village Centre Place · L4Z 1V9 | CBCA | 10 July 2023 |
| Ontario Golden touch Inc. No. 13885607 · 308-2200 Roche Court · L5K 3Z6 | CBCA | 22 March 2022 |
| ONTARIO HEROES HEALTH AND SOCIAL SERVICES No. 12506319 · 4792 James Austin Drive · L4Z 4H3 | NFP Act | 18 November 2020 |
| ONTARIO MMA ASSOCIATION (2025) No. 16766382 · 90 Matheson Blvd W · L5R 3R3 | NFP Act | 19 February 2025 |
| Ontario Muslim Chamber of Commerce No. 11597728 · 3655 Holden Crescent · L5A 2V9 | NFP Act | 29 August 2019 |
| Ontario Power Washing Inc. No. 11325370 · 1738 Princelea Place · L5M 3R4 | CBCA | 28 March 2019 |
| Ontario Roadside Rental Inc. No. 16351638 · 5798 Gant Crescent · L5V 2T4 | CBCA | 9 September 2024 |
| ONTARIO SCHOOLS CRICKET ASSOCIATION No. 12080524 · 1573 Portsmouth Place · L5M 7W2 | NFP Act | 25 May 2020 |
| ONTARIO SPRINT DELIVERY INC. No. 9455949 · 3464, QUEENSTON DRIVE · L5C 2G6 | CBCA | 28 September 2015 |
| Ontario Wanderers League Cooperative No. 7505604 · 3205 ESCADA DRIVE · L5M 7V6 | Coop Act | 18 January 2019 |
| Ontario West Table Tennis Association No. 14465768 · Unit A, 5570 Kennedy Rd · L4Z 2A9 | NFP Act | 19 October 2022 |
| Ontario Youth Parliament Association No. 15864691 · 6661 Mockingbird Lane · L5N 5K2 | NFP Act | 15 March 2024 |
| ONTARIO'S BIG CITY MAYORS No. 12663112 · 2400 Dundas Street West · L5K 2R8 | NFP Act | 19 January 2021 |
| OntarioDominicanandFriendsCollective No. 15216192 · 3533 Derry Road East · L4T 1B1 | NFP Act | 20 July 2023 |
| Ontarios Car Scene Inc. No. 17495463 · 1831 Kirkwall Crescent · L4X 1N9 | CBCA | 23 November 2025 |
| ONTECK BUSINESS TRANSFORMATION CONSULTING LTD. No. 16751750 · 7085 STONEYWOOD WAY · L5N 6Y5 | CBCA | 14 February 2025 |
| ONTHEGO STAFFING SERVICES INC. No. 7036477 · 7222 TORBRAM RD, UNIT 14 · L4T 3V2 | CBCA | 2 September 2008 |
| ONTRACK ACCOUNTING CORP. No. 8409277 · 2145 Dunwin Drive · L5L 4L9 | CBCA | 1 February 2013 |
| Onward Technologies Canada Inc. No. 13047211 · Suite 857, 2425 Matheson Blvd E · L4W 5K4 | CBCA | 25 May 2021 |
| Onwards Company Inc. No. 11500643 · 2233 Argentia Rd · L5N 2X7 | CBCA | 5 July 2019 |
| Onyx Group Holdings Ltd. No. 12117533 · 5250 Solar Dr · L4W 5M8 | CBCA | 9 June 2020 |
| Onyx Management Group Ltd.Dissolution pending No. 14967798 · 410 Bristol Road East · L4Z 4A1 | CBCA | 25 April 2023 |
| Onyx Professional Services Limited No. 14666798 · 3784 Forest Bluff Crescent · L5N 7T8 | CBCA | 10 January 2023 |
| Onyxion Corp. No. 16148395 · 86-50 Burnhamthorpe Rd W · L5B 3C2 | CBCA | 21 June 2024 |
| Oodela Inc.Dissolution pending No. 13851028 · 35 Trailwood Drive · L4Z 3L6 | CBCA | 10 March 2022 |
| OORJA BY JAZZ INC. No. 15061211 · 6291 Lisgar Drive · L5N 7V1 | CBCA | 26 May 2023 |
| OP Bali Advisory Inc. No. 17700903 · 223 Webb Drive · L5B 0E8 | CBCA | 17 February 2026 |
| OP'S BARBER STUDIO INC. No. 17157622 · 7240 Reindeer Dr · L4T 2M7 | CBCA | 14 July 2025 |
| Opala Industries Inc. No. 11992163 · 2155 Linby Street · L4Y 1V6 | CBCA | 5 April 2020 |
| OpalCrest Inc. No. 17363249 · 6189 Townwood Court · L5N 2L4 | CBCA | 30 September 2025 |
| OPALINE LUXURY TRAVEL INC. No. 17032447 · 6009 Sidmouth St · L5V 2X2 | CBCA | 29 May 2025 |
| Opaline Opulence Incorporated No. 12714442 · 25 Trailwood Dr · L4Z 3K9 | CBCA | 5 February 2021 |
| Open Cloud Consultancy Inc. No. 13516393 · 2 Robert Speck Parkway · L4Z 1H8 | CBCA | 15 November 2021 |
| Open Door Foundation No. 14290631 · 7331 Bramalea Road · L5S 1C5 | NFP Act | 15 August 2022 |
| open layer ai Inc. No. 18059250 · 5637 Longboat Ave · L5M 7E5 | CBCA | 1 July 2026 |
| OPEN MIC CAFE LTD. No. 14182561 · 109-2985 DREW ROAD · L4T 0A4 | CBCA | 5 July 2022 |
| OPEN ROAD FREIGHT SYSTEMS INC. No. 9212060 · 7600 Torbram Road · L4T 3L8 | CBCA | 7 March 2015 |
| OpenKnowledge Sharing Society No. 17643519 · 924 Delgado Dr · L5V 2S4 | NFP Act | 23 January 2026 |
| OPENLINK CORP. No. 7642555 · 5205 Glen Erin Drive · L5M 5N6 | CBCA | 16 September 2010 |
| OPENQUEUE INC. No. 17118201 · 628 Twain Avenue · L5W 0A3 | CBCA | 28 June 2025 |
| OpenTrend Solutions Ltd. No. 6153496 · 3881 SKYVIEW STREET · L5M 8A1 | CBCA | 26 October 2003 |
| OpenXcell Inc.Dissolution pending No. 16094104 · 1351 Matheson Blvd E · L4W 2A1 | CBCA | 3 June 2024 |
| Opeongo Advantage Corp. No. 11295144 · 200 Mineola Road West · L5G 2C7 | CBCA | 12 March 2019 |
| OPERA TRADING CORP. No. 15284473 · TH17-4055 PARKSIDE VILLAGE DR · L5B 0K8 | CBCA | 15 August 2023 |
| Operose Inc. No. 12031175 · 4833 Apple Blossom Circle · L5V 3C6 | CBCA | 1 May 2020 |
| OPEXCELLENCE CORP. No. 9273484 · 971 BINSCARTH DRIVE · L5V 1M9 | CBCA | 1 May 2015 |
| Opinder Oscar Logistics Inc. No. 13425746 · 5434 Oscar Peterson Blvd · L5M 0B6 | CBCA | 18 October 2021 |
| OPM - Ontario Pinoy MTB No. 10652938 · 4839 Dunoon Drive · L5M 7J8 | NFP Act | 26 February 2018 |
| Opsidian AI Inc. No. 18092141 · 3245 Edwyna Dr · L5M 0V2 | CBCA | 15 July 2026 |
| OpsMax Inc. No. 10440124 · 2233 Argentia Road · L5N 2X7 | CBCA | 7 October 2017 |
| Opsura Technologies Inc. No. 17476761 · 5837 Tenth line west · L5M 6V3 | CBCA | 15 November 2025 |
| Optasense Canada Limited No. 7729251 · 3 Robert Speck Parkway · L4Z 2G5 | CBCA | 16 December 2010 |
| OptiKPI AI Inc. No. 17355068 · 5447 Razorbill Ct · L5V 2C9 | CBCA | 27 September 2025 |
| OPTIMA ACCOUNTANTS CANADA INC. No. 14266803 · 501-77 City Centre Dr · L5B 1M5 | CBCA | 5 August 2022 |
| Optima Construction Services Inc. No. 11604023 · 311-2560 Eglinton Ave West · L5M 0Y3 | CBCA | 3 September 2019 |
| OPTIMA HEALTH SOLUTIONS INTERNATIONAL CORPORATION No. 4159250 · 77 City Centre Drive · L5B 1M5 | CBCA | 18 July 2003 |
| Optimal Living Summit Inc. No. 13628230 · 3515 Kariya Dr · L5B 0C1 | CBCA | 27 December 2021 |
| Optimal Security Services Inc. No. 13516211 · Suite #400, Plaza 3, 2000 Argentia Rd · L5N 1V9 | CBCA | 15 November 2021 |
| OPTIMISER INFOTECH SOFTWARE SOLUTIONS INC. No. 13669190 · 2650 Meadowvale Boulevard unit 4 · L5N 6M5 | CBCA | 11 January 2022 |
| Optimist Auto Inc. No. 15531241 · 202L-6610 turner valley road · L5N 2P1 | CBCA | 15 November 2023 |
| Optimization Coach Inc. No. 17447167 · 3941 Eglinton Ave W · L5M 8A7 | CBCA | 3 November 2025 |
| Optimo Fitness Ergonomics Inc. No. 10223352 · 55 Village Centre Place · L4Z 1V9 | CBCA | 5 May 2017 |
| Optimum Alliance Corp. No. 12726025 · 4609 Willow Creek Dr · L5V 1G6 | CBCA | 10 February 2021 |
| Optimum Auto Glass Inc. No. 17485166 · 5620 Whistler Crescent · L4Z 3R6 | CBCA | 18 November 2025 |
| OPTIMUM CAPULUS INC. No. 15306639 · 100 Matheson Blvd E Unit 203 · L4Z 2G7 | CBCA | 24 August 2023 |
| Optimum Drivers Academy Inc. No. 14690516 · 7325 Cork Tree Row, · L5N 8N9 | CBCA | 20 January 2023 |
| OPTIMUM PERFWARE INC. No. 7982437 · 5047 MOULIN ROUGE CRES. · L5V 1R5 | CBCA | 23 September 2011 |
| Optimus CNCTech Limited No. 14909178 · 4204 Perivale Rd · L5C 3Y5 | CBCA | 4 April 2023 |
| OPTIMUS GARAGE DOOR INC. No. 17655720 · 605- 223 WEBB DR · L5B 0E8 | CBCA | 28 January 2026 |
| OPTIMUS TRUCK SALES AND LEASING LTD. No. 17137478 · 1332 Khalsa Dr · L5S 0A2 | CBCA | 7 July 2025 |
| Optimy.ai Inc. No. 10677698 · 216-320 Matheson Blvd W · L5R 0H2 | CBCA | 12 March 2018 |
| Optinum Professional Corporation No. 11166514 · 4226 Duke of York Blvd. Room B290 · L5B 0G5 | CBCA | 28 December 2018 |
| Options Auto Group Incorporated No. 10628492 · 492 Meadows Blvd · L4Z 1G6 | CBCA | 15 February 2018 |
| Options Mississauga Print and Office Services No. 2935716 · 113 LAKESHORE ROAD WEST · L5H 1E9 | NFP Act | 4 September 2014 |
| Optiv Canada Inc. No. 7695837 · 6715 Millcreek Drive · L5N 5V2 | CBCA | 8 November 2010 |
| Optiva Technology inc. No. 14749529 · 3888 Duke of York · L5B 4P5 | CBCA | 8 February 2023 |
| Optivance HR Solutions Inc. No. 17297017 · 5025 Four Springs Ave · L5R 0G5 | CBCA | 5 September 2025 |
| OPTN Labs Inc. No. 16733395 · 881 Blairholm Ave · L5C 1G5 | CBCA | 14 February 2025 |
| Optra Resources agency Inc. No. 17922132 · 7244 Vernor Dr · L4T 2P4 | CBCA | 8 May 2026 |
| Opulent Beauty Holdings Inc. No. 12782448 · 551 Lakeshore Road East · L5G 0A8 | CBCA | 1 March 2021 |
| Opulent Prints Inc. No. 16874339 · 5551 Meadowcrest Ave · L5M 0V1 | CBCA | 31 March 2025 |
| Opulentworth Inc. No. 17363575 · 780 Bethany Crescent · L5V 3B8 | CBCA | 30 September 2025 |
| Opus Personnel Canada Inc. No. 14463463 · 7428 Magistrate Terrace · L5W 1L2 | CBCA | 19 October 2022 |
| OPUS STAFFING SERVICES LTD. No. 11328557 · 5975 Whittle Road · L4Z 3N1 | CBCA | 1 April 2019 |
| OR Consulting Services Inc. No. 14577761 · 5865 Dalebrook cr. unit 15B · L5M 5X1 | CBCA | 5 December 2022 |
| Orac Analytics Inc. No. 14652550 · 2051 Beaverbrook Way · L5H 4C2 | CBCA | 5 January 2023 |
| Oradentix 24 Inc. No. 17892756 · 36 Elm Dr W · L5B 0N3 | CBCA | 27 April 2026 |
| ORAIFITE PROGRESSIVE UNION CANADA . No. 16730299 · 102-6357 Dixie Rd · L5T 2E7 | NFP Act | 6 February 2025 |
| ORAKONSULT CANADA INC. No. 9686088 · 7200 TRIUMPH LANE · L5N 0C5 | CBCA | 28 March 2016 |
| Orange Maple Services Inc. No. 11205757 · 600 Lolita Gardens · L5A 3K8 | CBCA | 18 January 2019 |
| Orange Porridge Software Inc. No. 16459803 · 1327 Boulder Creek Crescent · L5J 4N7 | CBCA | 21 October 2024 |
| ORANGE Rolling Papers Inc. No. 17239661 · 7225 Aztec Hill · L5W 1K2 | CBCA | 20 August 2025 |
| Orange Tree Productions Inc. No. 16825788 · 5209 Preservation Cir · L5M 7T3 | CBCA | 14 March 2025 |
| OrangeCloud Inc. No. 14173147 · 3515 Kariya Drive · L5B 0C1 | CBCA | 30 June 2022 |
| Orb Auto Center Inc. No. 15260531 · 26-5659 Glen Erin Drive · L5M 5P2 | CBCA | 7 August 2023 |
| Orbit Developers Inc. No. 15379822 · 1201-4205 Shipp Drive · L4Z 2Y9 | CBCA | 20 September 2023 |
| Orbit Vault Corp. No. 17261365 · 4848 Forest Hill Drive · L5M 5B1 | CBCA | 22 August 2025 |
| Orbital Analytix Inc. No. 13229122 · 1210-2091 Hurontario St. · L5A 4E6 | CBCA | 8 August 2021 |
| Orbitline Digital Corp. No. 17462212 · 388 Prince of Wales Dr · L5B 0A1 | CBCA | 10 November 2025 |
| Orbitunity Inc. No. 11715682 · 5800 Ambler Drive · L4W 4J4 | CBCA | 1 November 2019 |
| ORCHID IT SOLUTIONS INC. No. 8576521 · 749 Constellation Dr · L5R 2V8 | CBCA | 10 July 2013 |
| OrderHalal Inc. No. 17888198 · 1304 Wesson Ct · L5V 2E6 | CBCA | 24 April 2026 |
| ORDRZ Inc. No. 15140277 · 251 Queen Street South · L5M 1L7 | CBCA | 22 June 2023 |
| Oreen Nette Inc. No. 16406718 · Unit 25 - 6433 Charing Dr · L5N 1L6 | CBCA | 1 October 2024 |
| OREGON'S GREEN LIMITED No. 16301801 · 2550 Argentia Rd · L5N 5R1 | CBCA | 20 August 2024 |
| Òrékẹ - The Good Cafe Inc. No. 16788157 · 335 Rathburn Rd W · L5B 0C8 | CBCA | 27 February 2025 |
| Orellix Inc. No. 16994318 · 3015 Parkerhill Rd · L5B 4B2 | CBCA | 14 May 2025 |
| Oreoluwa Jimoh Consulting Inc. No. 9199861 · 2208 - 3985 Grand Park Drive · L5B 0H8 | CBCA | 26 February 2015 |
| OreonAuto Limited No. 13417701 · 902-3120 Kirwin Ave · L5A 3R2 | CBCA | 11 October 2021 |
| Orgalto Naturals Inc. No. 11024132 · 1333 Weir Chase · L5V 2X1 | CBCA | 2 October 2018 |
| Organic Elegance Inc. No. 16193927 · 160 Traders Blvd E · L4Z 3K7 | CBCA | 9 July 2024 |
| ORGANITA CANADA CORPORATION No. 10620521 · 118-120 Traders Blvd. E. · L4Z 2H7 | CBCA | 7 February 2018 |
| ORIENTAL AIR & SEA SERVICE (CANADA) INC. No. 3356281 · 5915 AIRPORT RD · L4V 1T1 | CBCA | 21 March 1997 |
| Oriental Overseas Cargo Logistics Limited No. 17434391 · 2800 Skymark Ave · L4W 5A6 | CBCA | 29 October 2025 |
| ORIENTUM GROUP INC. No. 13292835 · 3660 Hurontario St · L5B 3C4 | CBCA | 25 August 2021 |
| ORIGIN 5 INC. No. 3727491 · 7100, Edwards Blvd · L5S 1Y1 | CBCA | 7 March 2000 |
| ORIOCC LTD. No. 8416354 · 3385 BEAU RIVAGE CRES. · L5L 5H4 | CBCA | 25 January 2013 |
| Oriocc Staging Ltd. No. 10668192 · 3385 Beau Rivage Crescent · L5L 5H4 | CBCA | 6 March 2018 |
| Orion Business Consultancy Ltd. No. 17209991 · 7209 Lulworth Ct · L5N 7X2 | CBCA | 2 August 2025 |
| ORION DIGITALS IT SERVICES INC. No. 12413302 · 1869 Friar Tuck Court · L5K 2L4 | CBCA | 13 October 2020 |
| Orion for Behavioral and support services inc. No. 12856948 · 39 Dundas St E · L5A 1V9 | CBCA | 23 March 2021 |
| Orion LC Shop Inc. No. 12957001 · 3305 Turnstone Crescent · L5L 5L1 | CBCA | 23 April 2021 |
| Orion Pacific Engineering Inc. No. 6143121 · 50 burnhamthorpe road west · L5B 3C2 | CBCA | 26 September 2003 |
| Orion Reptech Inc. No. 17015925 · 313-5033 Four Springs Ave · L5R 0G6 | CBCA | 23 May 2025 |
| Orion Star Consulting Inc. No. 8980977 · 5701 Talaton Trail · L5R 3N6 | CBCA | 6 August 2014 |
| Orion Systems Integrators Canada Inc. No. 7648456 · 5484 TOMKEN ROAD · L4W 2Z6 | CBCA | 14 September 2010 |
| Oris Nursing Services Inc.Dissolution pending No. 13894444 · 20 Ceremonial Drive · L5R 3E5 | CBCA | 25 March 2022 |
| ORIVEN HOLDINGS INC. No. 17032005 · 201-1065 Canadian Place · L4W 0C2 | CBCA | 28 May 2025 |
| Orizen Inc. No. 17919701 · 2699 Windjammer Road · L5L 1T3 | CBCA | 7 May 2026 |
| Orizon International Investments Inc. No. 17777957 · 3174 Augusta Dr · L5N 5E3 | CBCA | 16 March 2026 |
| Orlian Technologies Inc. No. 17920661 · 803-70 Absolute Ave · L4Z 0A4 | CBCA | 7 May 2026 |
| ORNGE No. 9861661 · 5310 Explorer Drive · L4W 5H8 | NFP Act | 17 November 2016 |
| Ornge Global Air Inc. No. 4384865 · 5310 Explorer Drive · L4W 5H8 | CBCA | 17 September 2007 |
| Oro Oceano Inc. No. 17246129 · 826 Genovese Pl · L5V 3A7 | CBCA | 18 August 2025 |
| Orofab Mining Corporation No. 11184890 · 4463 Weeping Willow Drive · L5V 1K2 | CBCA | 8 January 2019 |
| Orqpro Digital Inc. No. 10469181 · 2985 Drew Road · L4T 0A7 | CBCA | 27 October 2017 |
| Orway Mineral Consultants Canada Ltd. No. 7843844 · 5090 Explorer Drive · L4W 4T9 | CBCA | 21 April 2011 |
| Orynqel Inc. No. 17031963 · 4975 Southampton Dr · L5M 8C9 | CBCA | 28 May 2025 |
| OryxStone Construction Corporation No. 17262906 · 77 City Centre Dr · L5B 1M5 | CBCA | 24 August 2025 |
| OS Consulting Strategic Solutions Inc. No. 17744277 · 1017-35 Trailwood Drive · L4Z 3L6 | CBCA | 4 March 2026 |
| OSAARU CORPORATION No. 7683600 · 835 Bexhill Rd · L5H 3L2 | CBCA | 22 October 2010 |
| Osada Homes Inc. No. 18011001 · 933 Fernandez Dr · L5V 1X3 | CBCA | 11 June 2026 |
| OSCA Foundation No. 14937678 · 2560 Eglinton Ave W · L5M 0Y3 | NFP Act | 14 April 2023 |
| Oscar Freight Lines Inc. No. 17341041 · 7475 Goreway Dr · L4T 3T3 | CBCA | 22 September 2025 |
| Oscar Services Enterprise Inc. No. 15468361 · 6339 Lorca Crescent · L5N 2J3 | CBCA | 24 October 2023 |
| OSHAQ INC. No. 4308689 · 113 Lakeshore Road WEST · L5H 1E9 | CBCA | 29 July 2005 |
| Oshawa Skylark 1 Inc. No. 17206984 · 2680 Skymark Avenue · L4W 5L6 | CBCA | 1 August 2025 |
| Oshawa Skylark 2 Inc. No. 17342535 · 2680 Skymark Ave · L4W 5L6 | CBCA | 23 September 2025 |
| Oshawa Skylark 3 Inc. No. 17377142 · 2680 Skymark Ave · L4W 5L6 | CBCA | 6 October 2025 |
| Oshawa Skylark GP Inc. No. 17138687 · 2680 Skymark Ave · L4W 5L6 | CBCA | 7 July 2025 |
| OSHH Services Inc. No. 13940616 · 4120 Ridgeway Dr Unit 37 · L5L 5S9 | CBCA | 9 April 2022 |
| OSHIMS SOFTWARE INC.Dissolution pending No. 3527085 · 2100 MATHESON BLVD. EAST · L4W 5E1 | CBCA | 27 August 1998 |
| Osmani Group Global Limited No. 17173393 · 48 Compass Way · L5G 4T8 | CBCA | 19 July 2025 |
| Osmow's Hope Fund No. 11237128 · 5598 McAdam Road · L4Z 1P1 | NFP Act | 6 February 2019 |
| OSSS Club Inc. No. 16941206 · 3086 The Credit Woodlands · L5C 2H9 | CBCA | 1 May 2025 |
| Ostat Aide Ltd. No. 16280749 · 71 King St W · L5B 4A2 | CBCA | 11 August 2024 |