| ONEWORLD BEANERY | — | FM0597449 | 2012-12-17 | Active | |
| ONEWORLD BLOCKCHAIN TECHNOLOGIES INC. | — | BC1189429 | 2018-12-07 | Inactive | |
| ONEWORLD DATA RECOVERY | — | FM0515640 | 2009-11-13 | Active | |
| ONEWORLD DEVELOPMENT | — | FM0273847 | 2000-01-28 | Active | |
| ONEWORLD DIAGNOSTICS INC. | — | BC1020293 | 2014-11-27 | Inactive | |
| ONEWORLD ENTERTAINMENT CORPORATION | — | A0038955 | 1994-05-06 | Inactive | |
| ONEWORLD FARMS | — | FM1042007 | 2024-03-25 | Active | |
| ONEWORLD FARMS INC. | — | BC0823956 | 2008-05-01 | Active | |
| ONEWORLD FOOTBALL CLUB | — | FM0618015 | 2013-10-04 | Active | |
| ONEWORLD HOTEL DESTINATION SERVICE INC. | — | BC0589197 | 1999-07-19 | Inactive | |
| ONEWORLD MANAGEMENT COMPANY LTD. | — | A0051816 | 2000-04-26 | Inactive | |
| ONEWORLD MANAGEMENT COMPANY, INC. | — | A0083997 | 2011-08-15 | Inactive | |
| ONEWORLD MEDICARE INC. | — | BC0624254 | 2001-03-16 | Inactive | |
| ONEWORLD ONLINE NOOK | — | FM0143519 | 1993-05-07 | Active | |
| ONEWORLD PRODUCTIONS INC. | — | BC0973467 | 2013-06-24 | Inactive | |
| ONEWORLD PROJECTS | — | S0042315 | 2000-11-07 | Inactive | |
| ONEWORLD RESEARCH COMPANY | — | FM0354878 | 2003-09-08 | Active | |
| ONEWORLD RX | — | FM0348156 | 2003-05-23 | Active | |
| ONEWORLD TECHNOLOGY COMPANY LTD. | — | BC1442778 | 2023-10-03 | Active | |
| ONEWORLD TILE AND STONE INC. | — | BC0989511 | 2013-12-26 | Active | |
| ONEWORLD TRADING | — | FM0813418 | 2020-08-06 | Inactive | |
| ONEWORLD TRADING INC. | — | BC1341337 | 2022-01-05 | Active | |
| ONEWORLD TRADING INTERNATIONAL INCORPORATED | — | BC0876886 | 2010-03-24 | Inactive | |
| ONEWORLD TRAILER CORP. | — | A0079957 | 2010-04-23 | Inactive | |
| ONEWORLDFASHIONS LTD. | — | BC1062600 | 2016-01-25 | Inactive | |
| ONEWORLDOFFICE CORP. | — | A0077561 | 2009-06-23 | Inactive | |
| ONEWORLDRX INC. | — | BC0700366 | 2004-07-22 | Inactive | |
| ONEWURLD SUPPLY CHAIN SOLUTIONS INC. | — | BC1004132 | 2014-06-02 | Inactive | |
| ONEX CANADA ASSET MANAGEMENT INC. | — | A0112112 | 2020-01-07 | Active | |
| ONEX CO EXPORT BROKER | — | FM0238614 | 1998-04-28 | Active | |
| ONEX COMPUTERS COMPANY | — | FM0292619 | 2000-12-15 | Active | |
| ONEX CONSTRUCTION LTD. | — | BC1581853 | 2026-03-13 | Active | |
| ONEX CONSULTING INCORPORATED | — | BC0854591 | 2009-06-17 | Inactive | |
| ONEX CONTRACTING LTD. | — | BC0829836 | 2008-07-10 | Active | |
| ONEX CREDIT | — | FM0838823 | 2021-03-25 | Active | |
| ONEX CREDIT | — | FM0838829 | 2021-03-25 | Inactive | |
| ONEX CREDIT PARTNERS, LLC | — | LLC0000585 | 2012-10-05 | Inactive | |
| ONEX ENTERPRISES INC. | — | BC0752559 | 2006-03-23 | Active | |
| ONEX EQUITIES-HOLDINGS LTD. | — | BC0184887 | 1979-01-04 | Inactive | |
| ONEX GLOBAL TRADING LTD. | — | BC1579764 | 2026-02-27 | Active | |
| ONEX KESTREL (2025) HOLDINGS INC. | — | BC1557972 | 2025-09-22 | Active | |
| ONEX KESTREL (2025) HOLDINGS INC. | — | BC1557855 | 2025-09-19 | Inactive | |
| ONEX MECHANICAL, PLUMBING & HEATING LTD. | — | BC1593453 | 2026-06-02 | Active | |
| ONEX MEDIA LTD. | — | BC1211077 | 2019-06-02 | Inactive | |
| ONEX MONEY SERVICES | — | FM0378296 | 2004-08-11 | Active | |
| ONEX PACKAGING INC. | — | A0025274 | — | Inactive | |
| ONEX PACKAGING INC. EMBALLAGES ONEX INC. | — | A0025564 | — | Inactive | |
| ONEX PARTNERS OPPORTUNITIES GP LIMITED | — | A0131809 | 2024-04-04 | Active | |
| ONEX PRIVATE WEALTH SOLUTIONS | — | FM1036645 | 2024-01-25 | Active | |
| ONEX PRODUCTIONS INC. | — | BC0222842 | 1980-12-19 | Inactive | |
| ONEX SHIP CHANDLER | — | FM0448911 | 2007-04-19 | Active | |
| ONEX TRADING CORP. | — | BC0779934 | 2007-01-16 | Inactive | |
| ONEX WOODCRAFT | — | FM0478954 | 2008-05-29 | Active | |
| ONEXCO OIL & GAS LTD. | — | A0022921 | 1985-02-12 | Inactive | |
| ONEXE RETAIL SOLUTION SPECIALISTS | — | FM0604411 | 2013-03-28 | Active | |
| ONEXEROXERO | — | FM1029564 | 2023-11-07 | Active | |
| ONEXEROXERO | — | FM1035018 | 2024-01-11 | Inactive | |
| ONEXEROXERO LTD. | — | BC1399836 | 2023-02-07 | Active | |
| ONEXING TRADING LIMITED | — | A0109794 | 2019-05-16 | Active | |
| ONEXT MEDIA CORPORATION | — | BC0827379 | 2008-06-10 | Inactive | |
| ONEYI MUSIC LTD. | — | BC1458671 | 2024-01-03 | Active | |
| ONEZED PRODUCTIONS COMPANY | — | FM0798755 | 2020-02-12 | Active | |
| ONEZO INTERNATIONAL INC. | — | BC1100964 | 2016-12-20 | Inactive | |
| ONEZONE DIGITAL STUDIO LTD. | — | BC1573907 | 2026-01-21 | Active | |
| ONEZONE INTERNATIONAL TRADE LTD. | — | BC1583438 | 2026-03-24 | Active | |
| ONEZOR MEDIA GROUP INC. | — | BC1147767 | 2018-01-04 | Inactive | |
| ONFIELD SOLUTIONS | — | FM1083048 | 2025-07-30 | Active | |
| ONFIRE HOLDINGS | — | FM0633547 | 2014-05-08 | Active | |
| ONFIRE HOLDINGS | — | FM0367736 | 2004-03-15 | Active | |
| ONFIRE INTERNET GROUP | — | FM0293055 | 2000-12-27 | Active | |
| ONFIRE TECHNOLOGIES | — | FM0209868 | 1996-11-18 | Active | |
| ONFISH CHARTERS | — | FM0633940 | 2014-05-13 | Active | |
| ONFLEET CANADA INC. | — | A0123423 | 2022-06-08 | Active | |
| ONFLIGHT ENTERPRISES INC. | — | BC0646632 | 2002-04-29 | Inactive | |
| ONFLO INTERNATIONAL ENTERPRISES (CANADA) LTD. | — | BC0392376 | 1990-08-21 | Inactive | |
| ONFLOW CONSTRUCTION & CONTRACTING | — | FM0770330 | 2019-03-08 | Active | |
| ONFOCUS COACHING | — | FM0720466 | 2017-06-05 | Active | |
| ONFOCUS IT SOLUTIONS INC. | — | BC1019304 | 2014-11-18 | Inactive | |
| ONFORCE CANADA HOLDINGS, INC. | — | BC0765492 | 2006-08-08 | Inactive | |
| ONFORM CONSULTING | — | FM0802522 | 2020-04-01 | Active | |
| ONFRAME AUTO LTD. | — | BC1525960 | 2025-02-10 | Active | |
| ONFREIGHT TRANSPORT LTD. | — | BC1241099 | 2020-02-18 | Active | |
| ONFYRE PRODUCTIONS | — | FM0652523 | 2015-02-06 | Active | |
| ONG CHARITY CANADA FOUNDATION | — | S0075870 | 2022-01-05 | Active | |
| ONG CONSTRUCTION LTD. | — | BC1240030 | 2020-02-07 | Active | |
| ONG CONSULTING INC. | — | BC0708737 | 2004-11-17 | Active | |
| ONG ENTERPRISES INC. | — | BC0298430 | 1985-09-30 | Inactive | |
| ONG ENTERPRISES LTD. | — | BC0572162 | 1998-09-23 | Inactive | |
| ONG FINANCIAL PLANNING SERVICES LTD. | — | BC0833958 | 2008-09-02 | Active | |
| ONG HOLDINGS LTD. | — | BC1216443 | 2019-07-16 | Active | |
| ONG KIAN TECK IMPORT CO. LTD. | — | BC0089102 | — | Inactive | |
| ONG NAMO YOGA | — | FM0602713 | 2013-03-07 | Active | |
| ONG PHARMACY LTD. | — | BC0735739 | 2005-09-22 | Inactive | |
| ONG SQUAD MEDIA INC. | — | BC1355897 | 2022-03-30 | Active | |
| ONG'S AUTO REPAIRS SHOP | — | FM0256655 | 1999-04-06 | Active | |
| ONG, DEE, BRIGGS AND ASSOCIATES LTD. | — | BC0219213 | 1980-10-28 | Inactive | |
| ONGA ARTFUL LIGHT LTD. | — | A0143166 | 2026-08-06 | Active | |
| ONGA CONSTRUCTION SERVICES LIMITED | — | BC1224681 | 2019-09-26 | Active | |
| ONGAME INTERACTIVE INC. | — | BC1295486 | 2021-03-19 | Active | |
| ONGAME TECHNOLOGIES LTD. | — | BC0620306 | 2001-01-08 | Inactive | |
| ONGAR INVESTMENTS LTD. | — | BC0044359 | — | Inactive | |
| ONGARATO PUBLISHING | — | FM0089694 | 1988-07-27 | Active | |
| ONGBA VIETNAMESE EATERY GROUP LTD. | — | BC1549754 | 2025-07-24 | Active | |
| ONGBA VIETNAMESE EATERY LTD. | — | BC1086828 | 2016-08-22 | Inactive | |
| ONGHA ENTERPRISES LTD. | — | BC0239706 | 1981-07-23 | Inactive | |
| ONGIJANGI AMERICA | — | FM0493844 | 2009-01-19 | Active | |
| ONGIJANGI CULTURAL MISSION INC. | — | BC0837224 | 2008-10-14 | Inactive | |
| ONGIJONGI MUSICAL SOCIETY | — | S0076441 | 2022-04-26 | Active | |
| ONGKAR AUTO & LIMO REPAIR | — | FM0427967 | 2006-06-28 | Active | |
| ONGKAR BUILDING MAINTENANCE LTD. | — | BC1268233 | 2020-10-01 | Active | |
| ONGKEKO HOLDINGS, LTD. | — | BC0625802 | 2001-04-09 | Inactive | |
| ONGLINE TUTORING | — | FM0772446 | 2019-03-29 | Active | |
| ONGMAN PROPERTY INC. | — | BC1124229 | 2017-06-23 | Inactive | |
| ONGOING ADVENTURES INC. | — | BC0883018 | 2010-06-08 | Inactive | |
| ONGOING ENTERPRISES LIMITED | — | BC0704891 | 2004-09-24 | Inactive | |
| ONGOING PROFESSIONAL DEVELOPMENT NORTH AMERICA INC. | — | BC0862441 | 2009-09-29 | Inactive | |
| ONGOLD RESOURCES LTD. | — | BC1348515 | 2022-02-17 | Active | |
| ONGOODWAY TECH | — | FM0404239 | 2005-08-10 | Active | |
| ONGPIN INTERNATIONAL ENTERPRISES CO. LTD. | — | BC0496108 | 1995-05-09 | Inactive | |
| ONGREEN ENTERPRISES LTD. | — | BC0610243 | 2000-07-06 | Inactive | |
| ONGUARD CONSTRUCTION | — | FM0691098 | 2016-06-10 | Active | |
| ONGUARD CONSTRUCTION INC. | — | BC1083184 | 2016-07-18 | Inactive | |
| ONGUARD ENTERPRISES | — | FM0161729 | 1994-06-03 | Active | |
| ONGUARD ENVIRONMENTAL INC. | — | BC1459265 | 2024-01-05 | Active | |
| ONGUARD INSPECTION SERVICES LTD. | — | BC0972215 | 2013-06-11 | Inactive | |
| ONGUARD INSPECTIONS | — | FM0813341 | 2020-08-05 | Active | |
| ONGUARD LEAK DIAGNOSTICS INC. | — | BC1143731 | 2017-12-05 | Inactive | |
| ONGUARD PLUMBING & HEATING SOLUTIONS LTD. | — | BC1452973 | 2023-12-04 | Active | |
| ONGUARD PROPERTY INSPECTION SERVICES | — | FM0816734 | 2020-09-11 | Active | |
| ONGUARD PROTECTIVE SERVICES INC. | — | BC1508687 | 2024-10-27 | Active | |
| ONGUARD RESTORATION LTD. | — | BC1606582 | 2026-09-02 | Active | |
| ONGUARD SECURITY | — | FM0602448 | 2013-03-05 | Active | |
| ONGWE MINERALS INC. | — | BC0361437 | 1989-03-10 | Active | |
| ONGWEOWEH PALLET SOLUTIONS CORP. | — | BC1012114 | 2014-08-28 | Active | |
| ONHAND CABINETS INC. | — | BC1377294 | 2022-09-01 | Active | |
| ONHAND CHILD CARE | — | FM1094042 | 2026-01-10 | Active | |
| ONHE DEVELOPMENTS LTD. | — | BC0115003 | 1973-01-19 | Inactive | |
| ONHOOK SYSTEMS LTD. | — | BC1196923 | 2019-02-07 | Active | |
| ONI ACHE CREATIONS INC. | — | BC0832084 | 2008-08-07 | Inactive | |
| ONI CONSCIOUS CREATIONS | — | FM0669409 | 2015-09-08 | Active | |
| ONI DESIGN INC. | — | BC0758348 | 2006-05-23 | Inactive | |
| ONI DOG INC. | — | BC0892510 | 2010-10-08 | Inactive | |
| ONI ELECTRIC LTD. | — | BC1598748 | 2026-07-08 | Active | |
| ONI GYM INC. | — | BC1479653 | 2024-05-06 | Inactive | |
| ONI-ACHIVALUE HOLDINGS | — | FM0671712 | 2015-10-07 | Active | |
| ONIBBARD GROUP LTD. | — | BC1480252 | 2024-05-09 | Active | |
| ONIBENDON | — | FM1084200 | 2025-08-13 | Active | |
| ONICA TECHNOLOGIES CANADA INC. | — | BC1177213 | 2018-08-24 | Active | |
| ONICE ENTERPRISES CO. LTD. | — | BC0371049 | 1989-08-16 | Inactive | |
| ONID INVESTMENT CORPORATION | — | BC0169306 | 1977-12-21 | Active | |
| ONIDA GARNER DESIGN | — | FM0628721 | 2014-03-07 | Active | |
| ONIEBI TECHNICAL SERVICES | — | FM0752561 | 2018-07-23 | Active | |
| ONIEDA ADVENTURES | — | FM0075972 | 1987-02-24 | Active | |
| ONIG MEDIA | — | FM0704158 | 2016-11-30 | Active | |
| ONIGIRI ROBOT CONSULTING | — | FM0512789 | 2009-10-07 | Active | |
| ONIGIRI STUDIO | — | FM0839463 | 2021-03-30 | Active | |
| ONIGIRII | — | FM0571150 | 2011-11-30 | Active | |
| ONIK DRIVING ACADEMY | — | FM1006594 | 2022-12-28 | Active | |
| ONIK HOLDINGS LTD. | — | BC0112638 | — | Inactive | |
| ONIK LASER CLEANING | — | FM1048024 | 2024-06-04 | Active | |
| ONIKATA TECHNOLOGIES INC. | — | BC1340049 | 2021-12-25 | Active | |
| ONIKIO SOFTWARE | — | FM0678070 | 2016-01-08 | Active | |
| ONIKON CREATIVE HOLDINGS INC. | — | BC1284580 | 2021-01-19 | Active | |
| ONIKON CREATIVE INC. | — | BC0830268 | 2008-07-16 | Active | |
| ONIKS UNIVERSAL SUPPLIES | — | FM0489350 | 2008-10-31 | Active | |
| ONIMIYA STUDIO | — | FM0749653 | 2018-06-16 | Active | |
| ONIN NAILS AND BEAUTY | — | FM1024734 | 2023-08-31 | Active | |
| ONIN RETAIL | — | FM0756427 | 2018-09-11 | Active | |
| ONINUNDAIR SERVICES | — | FM0217837 | 1997-04-10 | Active | |
| ONION CREEK VENTURES LTD. | — | BC1250189 | 2020-05-14 | Active | |
| ONION DESIGN STUDIO LTD. | — | BC1032298 | 2015-04-01 | Active | |
| ONION INK WORKSHOPS | — | FM0429568 | 2006-07-21 | Inactive | |
| ONION LAKE LOGGING LTD. | — | BC0129103 | 1974-06-17 | Inactive | |
| ONION LANGUAGE CENTRE | — | FM0721186 | 2017-06-13 | Active | |
| ONION LEGAL FORMS INC. | — | BC1027022 | 2015-02-07 | Inactive | |
| ONION MOUNTAIN WOODWORKING | — | FM0817451 | 2020-09-18 | Active | |
| ONION STRATEGY INC. | — | BC1529319 | 2025-02-28 | Active | |
| ONION VANCOUVER ENTERPRISES INC. | — | BC0504707 | 1995-09-22 | Inactive | |
| ONION WEAR INC. | — | BC1481558 | 2024-05-16 | Active | |
| ONION'S LITTLE HOUSE HOSPITALITY | — | FM0643207 | 2014-09-23 | Active | |
| ONIONCHEF MEDIA INC. | — | BC0923940 | 2011-10-31 | Inactive | |
| ONIQ SYSTEMS GROUP LTD. | — | BC1274804 | 2020-11-16 | Active | |
| ONIQUE237 FOODS CORP. | — | BC1369563 | 2022-06-28 | Active | |
| ONIRACX CLEANING SERVICES | — | FM0488563 | 2008-10-20 | Active | |
| ONIS ENTERPRISES, INC. | — | BC0749138 | 2006-02-17 | Inactive | |
| ONISIM WOOD CARVING | — | FM0402339 | 2005-07-13 | Active | |
| ONISSINO ENTERPRISES | — | FM0177386 | 1995-03-30 | Active | |
| ONIST FINANCIAL SERVICES INC. | — | A0095465 | 2015-05-21 | Inactive | |
| ONISTONE INC. | — | BC0851619 | 2009-05-11 | Inactive | |
| ONIT BOOKKEEPING & ADMIN SERVICES | — | FM0819402 | 2020-10-07 | Active | |
| ONIT CONSTRUCTION LTD. | — | BC1210059 | 2019-05-24 | Inactive | |
| ONIT CONSULTING | — | FM0864584 | 2021-12-03 | Active | |
| ONIT CONSULTING INC. | — | BC1511311 | 2024-11-12 | Active | |
| ONIT ELECTRICAL | — | FM0779118 | 2019-06-05 | Active | |
| ONIT RECONDITIONING | — | FM0454403 | 2007-06-26 | Active | |
| ONIT RECRUITING AND TALENT SOLUTIONS | — | FM0878196 | 2022-04-26 | Active | |
| ONIT SUPPORT | — | FM0824762 | 2020-11-24 | Inactive | |
| ONIT TECHNICAL SERVICES | — | FM1036162 | 2024-01-22 | Active | |
| ONIUM RESEARCH LTD. | — | BC0942017 | 2012-06-01 | Active | |
| ONIVA INTERNATIONAL SERVICES CORPORATION | — | BC0305689 | 1986-03-06 | Active | |