| Prism PC, Inc. | British Columbia |
| Privacy Analytics, Inc. | Ontario |
| Privacy Canada | |
| Privacy Safe | |
| Prival | Quebec |
| Private AI | Ontario |
| Private Capital Journal | |
| Privatech Consulting | Ontario |
| Privatt, Inc. | |
| PRIVEQ Capital Funds | |
| Privity Systems, Inc. | British Columbia |
| PRIZ Guru | |
| Prizmatech Informatique | Quebec |
| PRO Financial Solutions | |
| Pro Maintainer | British Columbia |
| Pro Marketer, Inc. | |
| PRO RÉPARATION Informatique | |
| Pro-Actif | Quebec |
| Pro-iTek | Quebec |
| Pro-Merit, Inc. | |
| Pro-Oceanus Systems, Inc. | |
| Pro-Tech Communications, Inc. | Ontario |
| pro.NET Communications | British Columbia |
| Proactive IT Management, Inc. | Alberta |
| Proax Technologies Ltd | |
| Probaseweb | Ontario |
| ProBC.com | British Columbia |
| Probuild Software, Inc. | |
| Procad Software | Alberta |
| ProCardex | Quebec |
| Procase Consulting | Ontario |
| ProcedureFlow | |
| Process Fusion | Ontario |
| Process Pathways | Alberta |
| Processia | Quebec |
| Procol | Quebec |
| Proconex Consultants, Inc. | Quebec |
| ProContact | Quebec |
| ProcureDox Business Solutions, Inc. | Alberta |
| Procurify Technologies, Inc. | |
| Prodago | Quebec |
| ProData | New Brunswick |
| Prodco Analytics, Inc. | |
| ProDesign Automation, Inc. | Ontario |
| Prodevco Robotic Solution | |
| Prodigm, Inc. | Ontario |
| Prodigy Data Systems, Inc. | Alberta |
| Prodigy Ventures | Ontario |
| Prodomax Automation Ltd | Ontario |
| ProdtoB | |