| Generation Electronics, Inc. | Alberta |
| Génération Linux | Quebec |
| GenerationX-Solutions | |
| Generator Design | Ontario |
| Generic Technology | British Columbia |
| Geneseeq Technology, Inc. | |
| Genesis Centre | Newfoundland and Labrador |
| Genesis Systems Corporation Ltd | British Columbia |
| Genesis Technical Systems | Alberta |
| Genesisdatabases | Ontario |
| GenesisXD | Ontario |
| Genesys Capital | Ontario |
| Genesys Computing | British Columbia |
| Genesys Designs | British Columbia |
| Genesys Networks, Inc. | Alberta |
| Genesys Venture, Inc. | Manitoba |
| Genetec, Inc. | Quebec |
| GeneTether, Inc. | Ontario |
| Genevant Sciences Corporation | |
| Geneviève Dupuis Design | Quebec |
| Geneviève Renaud | Quebec |
| Genex Marketing | British Columbia |
| Genia Photonics, Inc. | |
| Geniatek Solutions | |
| GenieView | Ontario |
| Genifi | Ontario |
| Génisoft Technologies | Quebec |
| Génisys Groupe Conseil, Inc. | |
| Genius ERP | Quebec |
| Genius Innovation Lab | |
| Genius Office | |
| GeniusXR | |
| Geno10X Biosciences Ltd | |
| Genoa Design International Ltd | Newfoundland and Labrador |
| GenoLogics Life Sciences Software | British Columbia |
| Genomadix | Ontario |
| Genome Canada | |
| Génome Québec | Quebec |
| GenomeMe Lab, Inc. | |
| Gens Software Ltd | British Columbia |
| GensCorp IT | British Columbia |
| GENSIT System Solution | |
| GentBit, Inc. | |
| Gentec International | Ontario |
| Gentec-EO | |
| Gentek | Ontario |
| GenuSource Consulting, Inc. | Ontario |
| Genvion Corporation | |
| Genvira Biosciences | |
| GenX Solutions | Ontario |