| Raleigh Solar Tech, Inc. | |
| Rally | Ontario |
| Ralphens Systems, Inc. | British Columbia |
| RAM Tech Solutions | Ontario |
| Ramm Aerospace | |
| RAMP Interactive | Alberta |
| RamSoft | Ontario |
| Ranalou Marketing Agency | |
| Rand Worldwide, Inc. | Ontario |
| Randmar, Inc. | Quebec |
| Random Hack of Kindness | |
| Randstad Interim, Inc. | |
| Randy Smith | Ontario |
| Rangle.io | Ontario |
| Rank Media | |
| Rank Media Agency | |
| Rank Secure | Ontario |
| Rank Study | Ontario |
| Rankit | |
| RankWorks | |
| Ranomics, Inc. | |
| Ranovus, Inc. | |
| Rantall.ca | Manitoba |
| Rapid Boost Marketing, Inc. | Alberta |
| Rapid Computer Training, Inc. | British Columbia |
| Rapid Infection Diagnostics, Inc. | |
| Rapid Novor, Inc. | |
| RapideNet Canada | Quebec |
| RapidEye Consulting | Ontario |
| RapidFire | British Columbia |
| Rapidtech Computer Services | British Columbia |
| Rappid Design | |
| Rapport Communications & Design, Inc. | Ontario |
| RAQ Technologies | |
| Rasakti | |
| Raspberry Scientific, Inc. | Quebec |
| Rastcom Canada, Inc. | |
| Rasters.io | |
| Rasters.io | |
| Ratech Electronics | Ontario |
| Ratehub.ca | Ontario |
| Rathka Telecom, Inc. | Ontario |
| Ratloop Games Canada | Quebec |
| Ravann Communications | Quebec |
| Rave Mobile Safety | Ontario |
| Rave7 | Ontario |
| Raven Isle Graphics | British Columbia |
| Raven IT Services | |
| Raven Telemetry | Ontario |
| Raven Web Services | |