| INTERNATIONAL CENTRE OF INFORMATION OF I.I.A. INC. | 3337944 | Mont-Royal, QC | DissolvedFor missed filings |
| International Centre of Justice for Palestinians - Canada | 15737133 | Toronto, ON | Active |
| INTERNATIONAL CENTRE OF REGULATORY EXCELLENCECENTRE INTERNATIONAL D’EXCELLENCE DE LA RÉGLEMENTATION | 9838147 | Calgary, AB | DissolvedBy the corporation |
| International Centre of Spiritual Education | 14480732 | Cambridge, ON | Active |
| International Centre of the Intellectual Alliance of Civilizations - Canada | 4302028 | Calgary, AB | DissolvedFor missed filings |
| INTERNATIONAL CENTRE TO COMBAT EXPLOITATION OF CHILDREN | 4103441 | Vancouver, BC | DissolvedFor missed filings |
| International Certification Consortium for Digital Analytic Management Inc. | 8725721 | Toronto, ON | Active |
| INTERNATIONAL CERTIFIED E-COMMERCE PROFESSIONALS ASSOCIATION | 12870797 | Richmond, BC | DissolvedBy the corporation |
| INTERNATIONAL CHAISE CORP. LTD. | 463281 | Montreal, QC | DissolvedBy Corporations Canada |
| INTERNATIONAL CHAMBER OF MALTESES-RUSSIAN SCIENCE AND COMMERCE-CANADIAN DIVISIONCHAMBRE INTERNATIONALE SCIENTIFIQUE ET DE COMMERCE MALTE-RUSSIE-CHAPITRE CANADIEN | 3017966 | Cote St-Luc, QC | DissolvedEnded under the old Canada Corporations Act |
| INTERNATIONAL CHAMOIS LTD. | 466581 | Montreal, QC | DissolvedBy Corporations Canada |
| International Chan Cultural Research AssociationAssociation internationale pour la recherche sur la culture Chan | 15248728 | Bethany, ON | Active |
| International Chang-Hon Taekwon-do Federation (ICTF-2026) Inc.Fédération Internationale de Taekwon-do Chang-Hon (ICTF-2026) Inc. | 17380691 | Woodbridge, ON | Active |
| International Chang-Hon Taekwon-Do Federation (ICTF) of Alberta | 11300679 | Camrose, AB | Active |
| International Chang-Hon Taekwon-Do Federation (ICTF) of Ontario | 10419443 | Woodbridge, ON | Active |
| INTERNATIONAL CHANG-HON TAEKWON-DO FEDERATION OF CANADA | 4178653 | St. Albert, AB | DissolvedFor missed filings |
| International Chang-Hon Taekwon-Do Federation, World Headquarters | 4461070 | Woodbridge, ON | Active |
| International Charismatic Mission Church Calgary | 17880537 | Airdrie, AB | Active |
| International Charismatic Mission Church Toronto | 17880596 | Longueuil, QC | Active |
| INTERNATIONAL CHARITABLE FUNDING FOUNDATION | 3196054 | Scarborough, ON | DissolvedFor missed filings |
| INTERNATIONAL CHARITY FOR ILL CHILDREN | 4324650 | Whitby, ON | Active |
| International Chattel Holdings Incorporated | 13715931 | Victoria, BC | Active |
| International Cheese Council of Canada | 8026025 | Ottawa, ON | Active |
| INTERNATIONAL CHEESESTEAKS PLUS INC. | 2658607 | Coquitlam, BC | DissolvedFor missed filings |
| INTERNATIONAL CHEMICAL CANADA LTD. | 463299 | Toronto, ON | DissolvedFor missed filings |
| INTERNATIONAL CHILD CARE (CANADA) INC. | 386090 | St. Catharines, ON | DissolvedFor missed filings |
| International Child Health and Development Association | 13035336 | Toronto, ON | DissolvedFor missed filings |
| INTERNATIONAL CHILD NEUROLOGY CONGRESS 2006 (ICNC) | 4264151 | Montreal, QC | DissolvedEnded under the old Canada Corporations Act |
| INTERNATIONAL CHILD WELFARE FOUNDATION | 4436083 | Toronto, ON | DissolvedFor missed filings |
| International Children's Health Promotion Association | 9666770 | Toronto, ON | DissolvedBy the corporation |
| INTERNATIONAL CHILDRENS FOREST LTD. | 178926 | Fort St. John, BC | DissolvedFor missed filings |
| International Childrens Foundation | 3015882 | Abbotsford, BC | DissolvedFor missed filings |
| International China Concern (Canada) | 3708934 | Surrey, BC | Active |
| International Chinese Artists Alliance INC. | 7537875 | Markham, ON | DissolvedFor missed filings |
| International Chinese Association of Computer Human Interaction | 8758735 | Waterloo, ON | Active |
| International Chinese Buffet Tommy Chan Inc. | 2839440 | Kingston, ON | DissolvedFor missed filings |
| International Chinese Business Alliance | 10501247 | Toronto, ON | DissolvedFor missed filings |
| International Chinese Calligraphy Artists Association | 16162703 | Richmond Hill, ON | Active |
| International Chinese Coaching Federation Corp. | 16846858 | Vancouver, BC | Active |
| International Chinese Educational Information Exchange Association | 10906948 | Brossard, QC | Active |
| International Chinese Mental Health Foundation | 12320029 | Richmond Hill, ON | DissolvedFor missed filings |
| International Chinese Powerlifting Association | 10772267 | Toronto, ON | DissolvedFor missed filings |
| International Chinese Psychology Association | 11015443 | Toronto, ON | Active |
| International Chinese Publishing Association | 16950728 | Surrey, BC | Active |
| International Chinese Writers Association of Canada | 12753693 | Markham, ON | Active |
| International Chiropractic Regulatory Society | 10141470 | Halifax, NS | Active |
| International Chito-Ryu Karate Federation of Canada Inc | 9584048 | Moose Jaw, SK | DissolvedBy the corporation |
| INTERNATIONAL CHOP SUEY C.H. INC. | 1646133 | Lachine, QC | DissolvedFor missed filings |
| International Christ Apostolic Church of QuebecÉglise Internationale du Christ Apostolique du Québec | 11382721 | Montreal, QC | Active |
| INTERNATIONAL CHRISTIAN AID INC. | 1387316 | Burlington, ON | DissolvedEnded under the old Canada Corporations Act |