| Progressive Business Solutions, Inc. | Ontario |
| Progressive Media Group | Ontario |
| Progressive Planet, Inc. | |
| Progressive Web Solutions | |
| ProgYSM | Quebec |
| ProInstall | Ontario |
| Projciel | Quebec |
| Project Drive | |
| Project Management Institute Montréal | |
| Project Pi Consulting, Inc. | Saskatchewan |
| Project Whitecard | |
| Project X Ltd | Ontario |
| ProjectKoach | British Columbia |
| ProjectLine Solutions, Inc. | Saskatchewan |
| Projectsity | |
| Projekt19 | Ontario |
| Projema | Quebec |
| Projerra Management, Inc. | Ontario |
| Projet Cirrus | Quebec |
| Projexia | |
| ProjexMedia | Quebec |
| Prolex Electronics, Inc. | Quebec |
| proLibro | Quebec |
| Prolifik Software | Ontario |
| Prolity Corporation | Ontario |
| Prologic Systems Ltd | Ontario |
| Prolucid | Ontario |
| Promar Enterprises Company Ltd | British Columbia |
| Promark Business Solutions | Alberta |
| Promark Electronics, Inc. | |
| Promédia Solutions Internet | |
| Promerita | |
| Promine, Inc. | Quebec |
| ProMIS Neurosciences, Inc. | |
| Promitus Solutions Ltd | Ontario |
| Promo | |
| Promo Your Biz | British Columbia |
| PromoChrom Technologies | |
| ProMontréal Entrepreneurs | Quebec |
| Promotion Media | Ontario |
| Promotion Saguenay | |
| PromoWebNet, Inc. | Quebec |
| Prompt | Quebec |
| Prompt Care | Ontario |
| PromptBuilder | |
| Promys | Ontario |
| ProNav Technologies Ltd | |
| Pronetiq Consultation | Quebec |
| ProNext IT Solutions | |
| Pronexus | Ontario |