| Association of Fundraising Professionals (AFP) Ottawa Chapter | 3765881 | Ottawa, ON | Active |
| ASSOCIATION OF FUNDRAISING PROFESSIONALS CANADAASSOCIATION DES PROFESSIONNELS EN PHILANTHROPIE CANADA | 10075531 | Toronto, ON | Active |
| Association of Ghanaian Canadian Law Enforcement Officers | 12392844 | Kitchener, ON | Active |
| Association of Global Sustainability Consultants | 11955845 | Burnaby, BC | Active |
| ASSOCIATION OF GREEK EX-OFFICERS OF THE RESERVE IN CANADA | 310280 | Montreal, QC | DissolvedFor missed filings |
| ASSOCIATION OF HOSTEX EXHIBITIORS | 1021354 | Toronto, ON | DissolvedFor missed filings |
| ASSOCIATION OF ICE MONITORING CONTRACTORS OF CANADA | 1851357 | Calgary, AB | DissolvedFor missed filings |
| ASSOCIATION OF IJEBU-IGBO DESCENDANTS CANADA | 12879786 | Toronto, ON | Active |
| ASSOCIATION OF IMMIGRANTS' DEVELOPMENT AND INTEGRATION - AIDI | 7547986 | Edmonton, AB | DissolvedFor missed filings |
| ASSOCIATION OF IMMIGRATION COUNSELS OF CANADA | 2067731 | Brampton, ON | DissolvedFor missed filings |
| ASSOCIATION OF INDEPENDENT CONSULTANTS | 2568292 | Markham, ON | DissolvedFor missed filings |
| ASSOCIATION OF INDEPENDENT DATA PROCESSORS | 310301 | Toronto, ON | DissolvedFor missed filings |
| Association of Independent Payday Loan Operators of Canada Inc. | 11448609 | Mississauga, ON | DissolvedFor missed filings |
| Association of Indigenous Mining Suppliers | 11249371 | Birch Island, ON | Active |
| Association of Industry and Commerce Canada-RomaniaAssociation de Commerce et d'Industrie Canada-Roumanie | 9481656 | Laval, QC | DissolvedFor missed filings |
| ASSOCIATION OF INDUSTRY SECTOR COUNCILS | 3796701 | Yarmouth, NS | DissolvedFor missed filings |
| ASSOCIATION OF INNOVATION PROFESSIONALS - AIPASSOCIATION des PROFESSIONNELS en INNOVATION - API | 4499379 | Toronto, ON | DissolvedFor missed filings |
| Association of Insurance Premium Finance Companies (Canada) | 15599164 | Toronto, ON | Active |
| Association of Intelligent Diamond International | 17368704 | Toronto, ON | Active |
| ASSOCIATION OF INTERNATIONAL CULTURES AND INNOVATIVE INDUSTRIES | 10552542 | Brampton, ON | DissolvedFor missed filings |
| Association of International Customs and Border AgenciesAssociation Des Courtiers et Intervenants Frontaliers | 3845991 | Ottawa, ON | Active |
| ASSOCIATION OF INTERNATIONAL EDUCATION AND SKILLS DEVELOPMENT CANADA | 11122096 | North York, ON | DissolvedBy the corporation |
| Association of International Gospel Assemblies of Canada, Inc. | 317811 | Niagara Falls, ON | Active |
| Association of International Immigration Cultural Exchange and Business Development | 15399971 | Vancouver, BC | Active |
| ASSOCIATION OF INTERNATIONAL MULTICULTURAL STUDENTS CORPORATION | 14768396 | Ajax, ON | Active |
| ASSOCIATION OF INTERNATIONAL MULTICULTURE & EDUCATION CORP. | 7896905 | Markham, ON | DissolvedFor missed filings |
| ASSOCIATION OF INTERNET MARKETING AND SALES INC. | 3840263 | Toronto, ON | DissolvedFor missed filings |
| ASSOCIATION OF INTERNET RESEARCH SPECIALISTS | 8816549 | Toronto, ON | Active |
| ASSOCIATION OF INTERNET RESOURCES "GREEN DOM" | 4543581 | Milton, ON | DissolvedFor missed filings |
| Association of Iranian Artists and Culture - Canada | 11249592 | Markham, ON | DissolvedFor missed filings |
| ASSOCIATION OF IRANIAN CANADIANS FOR NOWRUZ FESTIVALS | 8856923 | North York, ON | Active |
| Association of Iranian Ex Political Prisoners in Canada | 10944823 | Ottawa, ON | Active |
| ASSOCIATION OF IRANIAN MARTYRS FAMILY | 10962147 | Toronto, ON | DissolvedFor missed filings |
| Association of Iraqi Artists and Writers In Canada | 9607196 | Hamilton, ON | Active |
| Association of Iroquois and Allied Indians | 1432940 | Southwold, ON | Active |
| Association of islamic charitable projectsAssociation islamique des projets charitables | 2819643 | Montreal, QC | Active |
| ASSOCIATION OF ISLAMIC FINANCE NORTH AMERICA | 4518951 | Toronto, ON | DissolvedEnded under the old Canada Corporations Act |
| Association of Italian-Canadian WritersAssociation d'Ecrivains et Ecrivaines Italo-Canadiennes | 4083911 | Brights Grove, ON | Active |
| ASSOCIATION OF ITALIAN CHEFS OF CANADA ("AICC") | 3060551 | Toronto, ON | Active |
| ASSOCIATION OF JEWISH WAR VETERANS OF CANADA | 310336 | Montreal, QC | DissolvedEnded under the old Canada Corporations Act |
| Association of Justice CounselAssociation des juristes de Justice | 7935897 | Ottawa, ON | Active |
| ASSOCIATION OF KERALITE MEDICAL GRADUATES CANADA ("AKMG CANADA") | 10220248 | Etobicoke, ON | Active |
| ASSOCIATION OF LABOUR SPONSORED INVESTMENT FUNDS | 4301854 | Toronto, ON | DissolvedFor missed filings |
| ASSOCIATION OF LATVIAN ENGINEERS | 909394 | Ottawa, ON | DissolvedFor missed filings |
| Association of Liberian Immigrants in Kitchener Environs | 9226940 | Kitchener, ON | Active |
| ASSOCIATION OF LICENSED ESTABLISHMENTS | 4251342 | Toronto, ON | DissolvedFor missed filings |
| ASSOCIATION OF LOCAL BUSINESSES | 12772418 | Calgary, AB | Dissolution pendingAnnual filings overdue |
| ASSOCIATION OF MAINTENANCE CONTRACTORS OF CANADA | 14692675 | Edmonton, AB | Active |
| ASSOCIATION OF MANITOBA TAXPAYERS | 2945860 | Regina, SK | DissolvedFor missed filings |
| Association of Mature Canadians | 2963434 | Toronto, ON | Active |