| PCM Interactive, Inc. | Manitoba |
| PcNetSoft | Ontario |
| pcNimbus, Inc. | Alberta |
| PCR Solutions, Inc. | Quebec |
| PCS Internet | Manitoba |
| PCSask.com | Saskatchewan |
| PCTECH Computer Services, Inc. | British Columbia |
| PCTechs | Ontario |
| PCTrust Computers | Ontario |
| PCVONLINE | Ontario |
| pcWarehouses.ca | Ontario |
| PCwhoop | Alberta |
| PDA North | Ontario |
| PDA Plaza International | Quebec |
| PDF Online | British Columbia |
| PDFConverter.com | British Columbia |
| PDFjet | Ontario |
| PDFTron | British Columbia |
| PdMAIN | Ontario |
| Peace Region Internet Society | British Columbia |
| PeaceWorks | Ontario |
| Peak Audio | Nova Scotia |
| Peak Power, Inc. | |
| Peak Websites | British Columbia |
| Peake IT | |
| Pear Fiction | Quebec |
| Pear Media, Inc. | |
| Pearl White Media, Inc. | Quebec |
| PearTree Graphics | Ontario |
| Peashooter Media | Ontario |
| PEASI | |
| PEC Technologies, Inc. | Quebec |
| Pedagoguery Software, Inc. | British Columbia |
| Pedigree Matching | Prince Edward Island |
| Peekapak | |
| PEER Group, Inc. | Ontario |
| Peer Ledger, Inc. | |
| Peeristics, Inc. | |
| Peernet | Ontario |
| Peerplays | |
| PéGa Informatique, Inc. | Quebec |
| Pega Medical, Inc. | |
| Pegasi Systems International, Inc. | Quebec |
| Pegasie Technologies, Inc. | |
| PegaSoft Canada | |
| Pegasus Aeronautics | |
| Pegasus Imagery Ltd | |
| Pegaus Biotech, Inc. | |
| PEI IT Alliance | |
| PEI Technology Solutions | |