| Photonics North | Quebec |
| Photons Canada | Quebec |
| PhotoSat Information Ltd | |
| Photoshop Tutorials | British Columbia |
| PhotoshopSupport | Quebec |
| PHP Québec | Quebec |
| PHPCreation, Inc. | Quebec |
| PHPReaction | |
| Physio123 | Ontario |
| Pic2Motion | Ontario |
| Picard | |
| Picasso Fish | Ontario |
| Piccolo Software, Inc. | British Columbia |
| Pick My Brain | |
| Pick Yours Up Corporation | Ontario |
| Picketa Systems, Inc. | |
| Pico of Canada Ltd | British Columbia |
| Picovoice, Inc. | British Columbia |
| Picsoul Web Design | Quebec |
| Pidex.ca | |
| Piece of Cake Digital Marketing | |
| Pieoneers | |
| Pierce Design | Saskatchewan |
| Pierre Vaillancourt | Quebec |
| PiiComm | |
| PiinPoint | |
| Pika Technologies, Inc. | Ontario |
| Pillar Science | |
| Pillar5 Pharma | |
| Pillcheck | |
| PillThought | |
| Pilot Interactive | Ontario |
| Pilot Project International, Inc. | Alberta |
| Pilot Things | |
| Pilot X | |
| Pilotcore Systems, Inc. | |
| Pilvi Computing, Inc. | Ontario |
| Pine | |
| Pinetree Capital Ltd | Ontario |
| Pinion Design | Ontario |
| Pink Robot, Inc. | |
| Pink Spaghetti | Ontario |
| Pinnacle Communications Group, Inc. | Ontario |
| Pinnacle Computers, Inc. | Saskatchewan |
| Pinnacle Marketing Management, Inc. | Ontario |
| Pinnacle Office Solutions Ltd | Newfoundland and Labrador |
| Pinnacle Staffing Solutions | |
| Pinpoint | British Columbia |
| PINpoint Information Systems, Inc. | Ontario |
| PINQ2 | Quebec |