| Channel Solutions, Inc. | British Columbia |
| ChannelBuzz | Ontario |
| Chant's IT Solutions | |
| Chanticleer Complete Internet, Inc. | Ontario |
| Chaordix | Alberta |
| Chapman Software Experts, Inc. | |
| Charbone Hydrogen Corporation | |
| Charcoal Marketing | Nova Scotia |
| ChargeLab, Inc. | |
| ChargeSpot Wireless Power, Inc. | |
| Charisma Web Design | Quebec |
| CharityCAN | |
| Charles A Upsdell | Ontario |
| Charles Moffat, Toronto Website Designer | Ontario |
| Charles River Laboratoires | |
| Charli AI | |
| Charlie | |
| Charter | British Columbia |
| ChartSmart | British Columbia |
| ChartVPS Technologies | Ontario |
| Charvar Networks, Inc. | British Columbia |
| ChaseMedia | Ontario |
| Chasing Rats | |
| Chata.ai | Alberta |
| Chatbase | |
| Chatchef | |
| Chatr Mobile | Ontario |
| Chatroll | Ontario |
| Chatter Research | Ontario |
| ChatX | |
| Chaudière-Appalaches Économique | |
| Chaumont Systems Development, Inc. | Ontario |
| Cheapflights | |
| Chebucto Community Net | Nova Scotia |
| Check-It Solutions, Inc. | |
| Checkflo | |
| Checkfront | British Columbia |
| Checkmark Business Solutions ULC | British Columbia |
| checkme.digital | |
| CheckSite Canada, Inc. | Ontario |
| Cheeky Monkey Media | British Columbia |
| Cheeky Monkey Media | |
| Cheeky Penguin Websites, Inc. | British Columbia |
| Chekkit | |
| ChemForce Laboratories, Inc. | Alberta |
| Chemia Discovery, Inc. | Quebec |
| Chemical Computing Group, LLC | |
| Chemicals 101 Corporation | |
| Chenomx, Inc. | Alberta |
| Chèques Plus | |