| Concreteorange | Nova Scotia |
| Concreteorange Design | Nova Scotia |
| Condo Control | |
| Condo Manager | Quebec |
| CondoControlCentral | Ontario |
| Condor Solutions Ltd | Alberta |
| Condos.ca | |
| CondoVoter | |
| Conestoga College | Ontario |
| Conestoga College - School of Engineering & Information Technology | Ontario |
| CONEXSYS Registration Ltd | Ontario |
| Confab Laboratories, Inc. | |
| Confederation College | |
| Confederation College - Electronics Engineering Technician - Electronics Engineering Technician | Ontario |
| Conference Manager | British Columbia |
| Confidant Communications | Saskatchewan |
| Confidence IT Canada | |
| ConFoo | Quebec |
| ConformIT | Quebec |
| Congruence | Quebec |
| Conjure Solutions, Inc. | British Columbia |
| Conkin Surgical Instruments Ltd | |
| Connect Infrastructures | |
| Connect IT Networks | Quebec |
| Connect Tech, Inc. | Ontario |
| Connect the Corridor | Ontario |
| Connect&GO | Quebec |
| Connectability, Inc. | Ontario |
| ConnecTalk | Quebec |
| Connectic, Inc. | Quebec |
| ConnectionPoint Systems, Inc. | British Columbia |
| Connectis Group | Ontario |
| Connectis Technologies | |
| ConnectIT | |
| ConnectMV, Inc. | Ontario |
| Connectsoft Corporation | British Columbia |
| Connetik Technologies, Inc. | New Brunswick |
| Connex See Service | Ontario |
| Connexall | Ontario |
| Connexinet, Inc. | |
| Connexiom | British Columbia |
| Connexion Laurentides | |
| Connexion Matawinie | |
| ConnexionWorks | |
| Conoscenti Technologies, Inc. | Ontario |
| Conpute | Ontario |
| Conquer Experience | |
| Conqueri | |
| Conqueri Digital | |
| Conquest Outback Productions | |