| Québec numérique | Quebec |
| Québec PC | Quebec |
| Québec Quantique | |
| Québec Science | |
| Québec Startups | Quebec |
| Québec Studio | Quebec |
| Québec Tech | |
| Québécom | Quebec |
| Québecor | |
| QuebecPageweb.com | Quebec |
| Quebits | |
| Queen's University | Ontario |
| Queen's University - Centre for Advanced Computing | Ontario |
| Queen's University - Department of Mathematics and Statistics | Ontario |
| Queen's University - Electrical and Computer Engineering | Ontario |
| Queen's University - Modeling & Analysis in Software Engineering Group | Ontario |
| Queen's University - Quantum Nanophotonics Lab | Ontario |
| Queen's University - School of Computing | Ontario |
| Queen's University - Smith School of Business | |
| QueerTech | |
| Quenneville Design | Quebec |
| Quercus Solutions | Alberta |
| QueryVision | Ontario |
| Quest Consulting Group | Alberta |
| Quest For Tech | Ontario |
| Quest Global Technologies Ltd | |
| Quest Media | |
| Quest Media 360, Inc. | Ontario |
| Quest University | British Columbia |
| Questica | Ontario |
| QuestZones.com | Quebec |
| Quesys | Quebec |
| Quetech Ltd | Ontario |
| Quick Service Software | New Brunswick |
| Quick Tech Support | Ontario |
| Quicken Websites | Ontario |
| Quicken Websites Corporation | |
| QuickFacts | Nova Scotia |
| QuickMobile | British Columbia |
| Quickplay | |
| Quicksilk, Inc. | Ontario |
| QuickTapSurvey | |
| QuickWire Labs | Manitoba |
| Quiet City Design | Ontario |
| QuietClicks | |
| Quietly Media, Inc. | |
| QuikLee | |
| Quill Services Ltd | British Columbia |
| Quillsoft Ltd | Ontario |
| Quinsam Capital Corporation | Ontario |