| IOCAN EDUCATION | — | FM1012884 | 2023-03-31 | Active | |
| IOCC INTERNATIONAL OPTIONS CLEARING CORPORATION B.V. | — | A0019971 | 1982-09-17 | Inactive | |
| IOCHARGE INNOVATIONS INC. | — | BC1330000 | 2021-10-25 | Active | |
| IOCO 677426 HOLDINGS ULC | — | BC0677426 | 2003-09-19 | Active | |
| IOCO 677432 HOLDINGS ULC | — | BC0677432 | 2003-09-19 | Active | |
| IOCO 677438 HOLDINGS ULC | — | BC0677438 | 2003-09-19 | Active | |
| IOCO AM DEVELOPMENT LIMITED PARTNERSHIP | — | LP0692636 | 2016-06-29 | Inactive | |
| IOCO AM GP DEVELOPMENT LTD. | — | BC1081072 | 2016-06-28 | Inactive | |
| IOCO AM LAND HOLDINGS LTD. | — | BC1017304 | 2014-10-24 | Active | |
| IOCO AND DISTRICT CO-OPERATIVE ASSOCIATION | — | CP0000472 | — | Inactive | |
| IOCO BOAT CLUB | — | S0005302 | 1957-11-29 | Active | |
| IOCO BOTTLE & CAN LINE INSTALLATIONS LTD. | — | BC0646689 | 2002-04-30 | Inactive | |
| IOCO CANADA TRADE CORPORATION | — | BC0940392 | 2012-05-11 | Inactive | |
| IOCO CONSTRUCTION SERVICES LTD. | — | BC0278616 | 1984-05-28 | Inactive | |
| IOCO HERITAGE LAWN BOWLING ASSOCIATION | — | S0046615 | 2003-09-09 | Active | |
| IOCO MARKETING INC. | — | BC0565781 | 1998-06-02 | Active | |
| IOCO MECHANICAL LTD. | — | BC1267363 | 2020-09-25 | Active | |
| IOCO PC LAND HOLDINGS LTD. | — | BC1081294 | 2016-06-30 | Active | |
| IOCO PD LAND HOLDINGS LTD. | — | BC1081297 | 2016-06-30 | Active | |
| IOCO PE LAND HOLDINGS LTD. | — | BC1081298 | 2016-06-30 | Active | |
| IOCO PLAYERS THEATRE | — | FM1005744 | 2022-12-12 | Active | |
| IOCO PM DEVELOPMENT LIMITED PARTNERSHIP | — | LP0692638 | 2016-06-29 | Active | |
| IOCO PM GP DEVELOPMENT LTD. | — | BC1081077 | 2016-06-28 | Active | |
| IOCO PM LAND HOLDINGS LTD. | — | BC1017301 | 2014-10-24 | Active | |
| IOCO PROPERTIES LTD. | — | BC0650880 | 2002-07-11 | Inactive | |
| IOCO ROAD COMMUNITY GARDEN SOCIETY | — | S0075923 | 2022-01-17 | Active | |
| IOCO SOCIAL CLUB | — | S0002681 | — | Inactive | |
| IOCO TOWNSITE LIMITED | — | BC0005005 | — | Inactive | |
| IOCO VILLAGE INVESTMENTS LTD. | — | BC0986500 | 2013-11-26 | Inactive | |
| IOCONGRESS2018 ORGANIZING SOCIETY | — | S0063517 | 2015-01-14 | Inactive | |
| IOCONIC CA INC. | — | A0128867 | 2023-08-16 | Inactive | |
| IODA ORGANIZATION DEVELOPMENT CANADA | — | FM0431486 | 2006-08-17 | Active | |
| IODA SYSTEMS LTD. | — | BC0366213 | 1989-05-19 | Inactive | |
| IODEA HOLDINGS INC. | — | BC0851456 | 2009-05-07 | Active | |
| IODEA TECHNOLOGIES | — | FM0220570 | 1997-05-29 | Active | |
| IODESIGN LANDSCAPING | — | FM0552698 | 2011-03-23 | Inactive | |
| IODEVOPS SERVICES INC. | — | BC1040292 | 2015-06-18 | Active | |
| IODI SYSTEMS | — | FM0250483 | 1998-12-03 | Active | |
| IOE CONSULTING | — | FM0730409 | 2017-10-10 | Active | |
| IOE INTERNATIONAL OFFICE EXCHANGE, INC. | — | BC0132771 | 1974-11-14 | Inactive | |
| IOEAS NETWORKS INC. | — | BC1464595 | 2024-02-06 | Active | |
| IOF PRODUCTIONS INC. | — | BC1091122 | 2016-09-28 | Inactive | |
| IOFFE'S SPECIAL OCCASION PLANNERS LTD. | — | BC0675282 | 2003-08-15 | Inactive | |
| IOFFICE CANADA ACQUISITION, INC. | — | BC1213876 | 2019-06-24 | Inactive | |
| IOFS INSTRUCTORS OF FIREARMS SAFETY ASSOCIATION | — | S0055875 | 2009-11-04 | Active | |
| IOFUSION COMPUTING INC. | — | BC1087714 | 2016-08-29 | Inactive | |
| IOG LOGISTICS INC. | — | BC0965997 | 2013-03-25 | Inactive | |
| IOG TELECOM INC. | — | BC1220115 | 2019-08-19 | Active | |
| IOGLOBAL SOLUTIONS INC. | — | BC0854553 | 2009-06-16 | Inactive | |
| IOI CONSULTING LTD. | — | BC0700493 | 2004-07-23 | Inactive | |
| IOICF PAINTING | — | FM0427987 | 2006-06-29 | Active | |
| IOIO MEDIA LTD. | — | BC1336071 | 2021-12-02 | Inactive | |
| IOIO PLUS TRADING LTD. | — | BC1017505 | 2014-10-28 | Active | |
| IOK HOLDINGS INC. | — | BC1351457 | 2022-03-04 | Active | |
| IOK L. CHAO & CO. LTD | — | BC0509625 | 1995-12-08 | Inactive | |
| IOK LABS INC. | — | BC1185603 | 2018-11-05 | Active | |
| IOKA TECHNOLOGIES INC. | — | BC1249922 | 2020-05-12 | Active | |
| IOKA TRADING AND DEVELOPMENT (CANADA) LTD. | — | BC0354310 | 1988-11-04 | Inactive | |
| IOLA BOUTIQUE CO. | — | FM0582285 | 2012-05-01 | Active | |
| IOLA MINES LTD. (N.P.L.) | — | BC0061364 | — | Inactive | |
| IOLAB | — | FM0117037 | 1991-03-25 | Active | |
| IOLAB PHARMACEUTICALS | — | FM0123156 | 1991-09-23 | Active | |
| IOLAB SYSTEMS INC. | — | BC0734739 | 2005-09-12 | Inactive | |
| IOLAIRE ECOLOGICAL CONSULTING | — | FM0373100 | 2004-05-26 | Active | |
| IOLAIRE MARKETING INC. | — | BC1123683 | 2017-06-20 | Inactive | |
| IOLAM GROUP HOLDINGS LTD. | — | BC1022125 | 2014-12-25 | Inactive | |
| IOLANDA DANIELIS NUTRITION | — | FM0792306 | 2019-11-15 | Active | |
| IOLANDA ESPOSITO PERSONAL REAL ESTATE CORPORATION | — | BC1272317 | 2020-10-30 | Active | |
| IOLANI HOLDINGS LTD. | — | BC0341399 | 1988-02-28 | Inactive | |
| IOLANI HOLDINGS LTD. | — | BC0075212 | 1967-07-17 | Inactive | |
| IOLANI VENTURES (1986) LTD. | — | BC0306492 | 1986-03-21 | Inactive | |
| IOLITE TECHNOLOGIES CORPORATION | — | BC0866657 | 2009-11-19 | Inactive | |
| IOM BROOKSWOOD 2170 206 ST LIMITED PARTNERSHIP | — | LP0895093 | 2025-05-08 | Active | |
| IOM BROOKSWOOD 2170 GP CORPORATION. | — | BC1535809 | 2025-04-15 | Active | |
| IOM CROYDON PROFESSIONAL CENTRE LTD. | — | BC0775517 | 2006-11-24 | Active | |
| IOM FINANCIAL CORPORATION | — | BC0352168 | 1988-09-29 | Active | |
| IOM FLEETWOOD TOWNHOMES (2022) GP CORP. | — | BC1385935 | 2022-11-08 | Active | |
| IOM FLEETWOOD TOWNHOMES (2022) LIMITED PARTNERSHIP | — | LP0892845 | 2022-11-16 | Active | |
| IOM GUILDFORD TH MANAGEMENT SERVICES LTD. | — | BC1464480 | 2024-02-05 | Active | |
| IOM GUILDFORD TOWNHOMES (2022) HOLDINGS LTD. | — | BC1241237 | 2020-02-19 | Active | |
| IOM GUILDFORD TOWNHOMES (2022) LIMITED PARTNERSHIP | — | LP0892795 | 2022-10-25 | Active | |
| IOM GUILDFORD TOWNHOMES 2022 GP CORP. | — | BC1381066 | 2022-10-03 | Active | |
| IOM MANNKIND CHARITABLE SOCIETY | — | S0054927 | 2009-04-07 | Active | |
| IOM NAUTILUS VIEWS LTD. | — | BC1288361 | 2021-02-10 | Active | |
| IOM PROPETUAL (SELECT 2022) REF GP CORP. | — | BC1340863 | 2021-12-31 | Active | |
| IOM PROPETUAL (VENTURE 2021) REIT GP CORP. | — | BC1299143 | 2021-04-09 | Active | |
| IOM SCREENS | — | FM0480288 | 2008-06-17 | Active | |
| IOM SERVICES INC. | — | BC0518905 | 1996-05-01 | Inactive | |
| IOM SMART SECURITY | — | FM0696262 | 2016-08-19 | Active | |
| IOM YORKSON WELLNESS & RESIDENCE LTD. | — | BC1049651 | 2015-09-21 | Active | |
| IOMAS CONSULTANTS INC. | — | BC0359453 | 1989-02-08 | Inactive | |
| IOMATH.IO ONLINE LEARNING INC. | — | BC1442036 | 2023-09-29 | Active | |
| IOMATRIX CONSULTING | — | FM0419685 | 2006-03-16 | Active | |
| IOMATRIX CONSULTING INC. | — | BC1075167 | 2016-05-10 | Inactive | |
| IOMAX RECYCLING INC. | — | BC0570848 | 1998-08-28 | Inactive | |
| IOME BIOSCIENCE LIMITED PARTNERSHIP | — | LP0794843 | 2019-12-18 | Active | |
| IOMECA RESEARCH AND CONSULTING | — | FM0696482 | 2016-08-23 | Active | |
| IOMEMO TECHNOLOGIES INC. | — | C0723795 | 2005-05-05 | Active | |
| IOMEMO TECHNOLOGIES INC. | — | A0052692 | 2000-09-01 | Inactive | |
| IOMESH TECHNOLOGY LTD. | — | BC1596762 | 2026-06-23 | Active | |
| IOMLAN GROUP INC. | — | A0091956 | 2014-04-10 | Inactive | |
| ION & SONS CONSTRUCTION LTD. | — | BC0173931 | 1978-04-17 | Inactive | |
| ION ACCOUNTING AND TAX SOLUTIONS | — | FM0723682 | 2017-07-13 | Active | |
| ION BIO-COSMETICS CANADA LTD. | — | BC0659218 | 2002-11-26 | Inactive | |
| ION BUCUR REAL ESTATE | — | FM0848854 | 2021-06-14 | Active | |
| ION CHANNEL RESEARCH INC. | — | BC0614591 | 2000-09-21 | Active | |
| ION CONCRETE PUMPING LTD. | — | BC1166795 | 2018-06-04 | Active | |
| ION CONSULTING INC. | — | BC1483615 | 2024-05-29 | Active | |
| ION DESIGN | — | FM0099567 | 1989-07-27 | Inactive | |
| ION DESIGN INC. | — | BC0396602 | 1990-11-20 | Active | |
| ION DIGITAL CANADA LIMITED PARTNERSHIP | — | LP0354519 | 2003-09-02 | Inactive | |
| ION DIGITAL LTD. | — | BC0968552 | 2013-04-26 | Active | |
| ION DISCOVERIES INC. | — | BC0909057 | 2011-04-27 | Inactive | |
| ION DRYWALL | — | FM0639039 | 2014-07-19 | Active | |
| ION DRYWALL LTD. | — | BC1061869 | 2016-01-19 | Active | |
| ION ELECTRIC | — | FM0735419 | 2017-12-14 | Active | |
| ION ELECTRIC LTD. | — | BC0820508 | 2008-03-27 | Inactive | |
| ION ELECTRIC LTD. | — | BC1165591 | 2018-05-25 | Active | |
| ION ENERGY CENTER | — | FM0369105 | 2004-04-01 | Active | |
| ION ENERGY WORKS | — | FM0446078 | 2007-03-14 | Active | |
| ION ENGINEERING LTD. | — | BC0196822 | 1979-09-12 | Inactive | |
| ION ENTERPRISES LTD. | — | BC0438804 | 1993-01-07 | Inactive | |
| ION EQUIPMENT AND SUPPLY CORP. | — | BC1379413 | 2022-09-20 | Active | |
| ION EXCHANGE (CANADA) LTD. | — | A0006170 | — | Inactive | |
| ION EXTERIORS | — | FM0736643 | 2018-01-04 | Inactive | |
| ION FITNESS | — | FM0152430 | 1993-11-18 | Active | |
| ION GLOBAL SERVICES | — | FM0300102 | 2001-04-23 | Active | |
| ION H SERVICES LTD. | — | BC1209755 | 2019-05-22 | Active | |
| ION HAIR LTD. | — | BC0384488 | 1990-03-26 | Active | |
| ION HEALTH SOLUTIONS INC. | — | BC0845613 | 2009-02-13 | Inactive | |
| ION HOLDINGS LTD. | — | BC0196823 | 1979-09-12 | Inactive | |
| ION HOLDINGS LTD. | — | C1393701 | 2022-12-31 | Active | |
| ION HOME THEATRE | — | FM0662401 | 2015-06-03 | Active | |
| ION HOMES LTD. | — | BC0938114 | 2012-04-16 | Inactive | |
| ION IMAGES | — | FM0251445 | 1998-12-29 | Active | |
| ION IMAGES PHOTOGRAPHY | — | FM0145225 | 1993-06-10 | Active | |
| ION INDUSTRIAL COATINGS LTD. | — | BC1434596 | 2023-08-21 | Active | |
| ION INNOVATIONS INC. | — | BC1384924 | 2022-11-01 | Inactive | |
| ION INNOVATIVE TECHNOLOGIES CANADA INC. | — | A0067281 | 2006-03-01 | Inactive | |
| ION INTERACTIVE INC. | — | A0049143 | 1999-03-24 | Inactive | |
| ION LABOTOMY MUSIC PRODUCTIONS | — | FM0328173 | 2002-07-25 | Active | |
| ION LEADERSHIP CONSULTING | — | FM0698678 | 2016-09-20 | Active | |
| ION LIFE SYSTEMS | — | FM0487931 | 2008-10-09 | Active | |
| ION MACHINE CORPORATION | — | BC1131537 | 2017-08-25 | Inactive | |
| ION MAGAZINE | — | FM0617145 | 2013-09-23 | Active | |
| ION MAGAZINE | — | FM0342032 | 2003-03-11 | Active | |
| ION MANAGEMENT AND MARINE | — | FM0448657 | 2007-04-17 | Active | |
| ION MANAGEMENT INC. | — | BC0268210 | 1983-08-26 | Inactive | |
| ION MECHANICS | — | FM0624116 | 2014-01-10 | Active | |
| ION MEDIA GRAPHICS INC. | — | BC0590773 | 1999-08-17 | Inactive | |
| ION PARENT HOLDINGS INC. | — | BC1046486 | 2015-08-20 | Inactive | |
| ION PERFORMANCE AND WELLNESS INC. | — | BC1387696 | 2022-11-21 | Active | |
| ION PLUS SMART HOMES LTD. | — | BC1201981 | 2019-03-21 | Active | |
| ION PRECISION MACHINING | — | FM0793057 | 2019-11-26 | Active | |
| ION PROJECTS HOME IMPROVEMENTS | — | FM0323595 | 2002-05-23 | Active | |
| ION PROJECTS LTD. | — | BC0901024 | 2011-01-21 | Active | |
| ION PROPERTIES INC. | — | BC1118476 | 2017-05-11 | Active | |
| ION PROPERTY MANAGEMENT | — | FM0312964 | 2001-11-26 | Active | |
| ION SECURITY SYSTEMS INC. | — | BC0799324 | 2007-08-09 | Inactive | |
| ION SERVICES CORPORATION | — | BC0261272 | 1983-03-10 | Inactive | |
| ION SMALL BUSINESS CANADA | — | FM0886934 | 2022-07-28 | Active | |
| ION SOLUTIONS INC. | — | BC0846950 | 2009-03-03 | Inactive | |
| ION SYSTEMS LTD. | — | BC1517989 | 2025-01-01 | Active | |
| ION TECH LTD. | — | BC0689550 | 2004-03-12 | Inactive | |
| ION UNITED INC. | — | A0122002 | 2022-03-01 | Active | |
| ION UPRISING | — | FM1096815 | 2026-02-03 | Active | |
| ION VITA NATURALS | — | FM0854498 | 2021-08-02 | Active | |
| ION WATER SYSTEMS | — | FM0232509 | 1998-01-15 | Active | |
| ION WELDING INC. | — | BC1373728 | 2022-08-03 | Inactive | |
| ION WORKS INC. | — | BC1431251 | 2023-08-02 | Active | |
| ION'S HERITAGE MAINTENANCE & DEMO LTD. | — | BC0470026 | 1994-04-06 | Active | |
| ION-4 ENTERPRISE INC. | — | BC0408467 | 1991-06-27 | Inactive | |
| ION2 PROGRESSION SUSPENSION | — | FM0720223 | 2017-06-01 | Active | |
| ION2 PROGRESSION SUSPENSION INC. | — | A0110086 | 2019-06-12 | Active | |
| IONA BEACH EATERY LIMITED | — | BC1487855 | 2024-06-19 | Active | |
| IONA CATERING LTD. | — | BC0077139 | 1967-12-12 | Inactive | |
| IONA CONSULTING LTD. | — | BC1078385 | 2016-06-07 | Inactive | |
| IONA COTTAGE GUESTHOUSE AND GIFT SHOP | — | FM0425330 | 2006-05-26 | Active | |
| IONA COUNSELING LTD. | — | BC1047079 | 2015-08-26 | Active | |
| IONA DEVELOPMENT LTD. | — | BC0713624 | 2005-01-13 | Active | |
| IONA DEVELOPMENTS CORP. | — | BC0333249 | 1987-09-15 | Inactive | |
| IONA ECONOMICS SOCIETY | — | S0075281 | 2021-08-17 | Inactive | |
| IONA ELECTRIC | — | FM0420001 | 2006-03-22 | Active | |
| IONA ENTERPRISES | — | FM0000400 | 1966-12-22 | Active | |
| IONA ENTERPRISES LTD. | — | BC0130691 | 1974-08-15 | Inactive | |
| IONA ENTERPRISES LTD. | — | BC0870257 | 2010-01-01 | Active | |
| IONA ESTATES LTD. | — | BC0376743 | 1989-11-22 | Inactive | |
| IONA EXPLORATIONS LTD. | — | BC0236034 | 1981-06-02 | Inactive | |
| IONA FASHIONS | — | FM0029273 | 1978-11-08 | Active | |
| IONA FIBRECO LTD. | — | BC0618676 | 2000-12-05 | Active | |
| IONA GROWTH PARTNERS | — | FM1072098 | 2025-04-01 | Active | |
| IONA HOLDINGS INCORPORATED | — | BC0839584 | 2008-11-17 | Inactive | |
| IONA INDUSTRIES LTD. | — | BC0781208 | 2007-01-30 | Inactive | |
| IONA INVESTMENTS LTD. | — | BC0064711 | — | Inactive | |
| IONA INVESTMENTS LTD. | — | BC0850924 | 2009-04-30 | Active | |
| IONA MARINA INC. | — | BC0277769 | 1984-05-08 | Inactive | |
| IONA NETWORKS LTD. | — | BC1553146 | 2025-08-18 | Active | |
| IONA PROPERTY CO. LTD. | — | BC0137349 | 1975-05-08 | Active | |
| IONA PUBLICATIONS | — | FM0173838 | 1995-01-26 | Active | |
| IONA SYSTEMS LTD. | — | BC0776907 | 2006-12-11 | Active | |