| Cestar Collège, Campus Sherbrooke | Quebec |
| Cetaris.com | Ontario |
| Cetark Corporation | |
| CEV | Quebec |
| CEvO Solutions, Inc. | |
| Cezeo Software Ltd | British Columbia |
| CFhosting.ca | Ontario |
| CFI Education, Inc. | British Columbia |
| CFN Consultants | |
| CFO2 | |
| CFS Computer Services, Inc. | Ontario |
| CG Hosting | British Columbia |
| CG Technologies | Ontario |
| CGA Web Design | Ontario |
| CGI, Inc. | |
| CGIS Spatial Solutions | Ontario |
| CGL Micro, Inc. | Quebec |
| CGL Technologies, Inc. | Quebec |
| Cgm2 | Quebec |
| CGSI@SOLUTIONS-TI, Inc. | Quebec |
| CHA-cha | Quebec |
| Chaac Technologies | |
| Chaarmi Worlds, Inc. | |
| Chacra Belliveau et Associés, Inc. | Quebec |
| Chad Doi | British Columbia |
| ChainSafe Systems | |
| Chainsawesome Games | Quebec |
| Chalk.com Education, Inc. | Ontario |
| ChallengeU | |
| Chamber of Commerce for Greater Moncton | |
| Chamber of Commerce of Edmundston Region | |
| Chamblon Systems, Inc. | Ontario |
| Chambre de commerce de l’Est de Montréal | Quebec |
| Chambre de commerce du Montréal métropolitain | |
| Chambre de commerce et d'industrie de la région de Coaticook | |
| Chambre de commerce et d'industrie région Mégantic | |
| Chambre de commerce et industrie de Sherbrooke | |
| Chambre de la sécurité financière | |
| Chameleon Creative, Inc. | British Columbia |
| Chameleon Ideas | |
| Champ Consulting Services | Ontario |
| ChampionsWay.com | British Columbia |
| Champlain College Lennoxville - Computer Science Technology | Quebec |
| Champlain Financial Corporation | |
| Champlain Regional College | |
| Champlain-Lennoxville | |
| Changes Agency | |
| Channel 1 Media | Ontario |
| CHANNEL 88 Media Group | British Columbia |
| Channel Daily News | Ontario |