| Gilanet | New Mexico |
| Gilcon.net | Georgia |
| Gilead Sciences, Inc. | California |
| Gilero | North Carolina |
| Giles Scientific, Inc. | California |
| Gilgamesh Pharmaceuticals | |
| Gilland Electronics, Inc. | California |
| GILLeSolutions, LLC | Michigan |
| Gillespie Group | Pennsylvania |
| Gilligames | Michigan |
| Gillson Capital, L.P. | |
| Gillware Data Recovery | Wisconsin |
| Gilmore Software Development | Massachusetts |
| Gilson, Inc. | Wisconsin |
| GIM Technologies | New York |
| Gimbal | California |
| Gimga Group | Virginia |
| Gimlet Labs | |
| Gimmal | |
| Gimmal, LLC | Texas |
| Gimme Vending, Inc. | |
| GimmeMyDomains.com | Utah |
| Gimpshop.com | Florida |
| GINESS | |
| Ginger Software, Inc. | Massachusetts |
| gingerCube, Inc. | |
| Ginkgo Bioworks | Massachusetts |
| Ginkgo Bioworks, Inc. | |
| Ginnie.com, Inc. | South Carolina |
| Gint Advertising | |
| GIOSTAR | California |
| GIR Software Services | |
| Giraffe | South Carolina |
| Giraffic, Inc. | |
| Girihlet | California |
| Girikon, Inc. | |
| Girl Capital | Massachusetts |
| Girl Develop It | New York |
| Girls in Tech | California |
| Girls Who Code, Inc. | New York |
| GIS Colorado | Colorado |
| GIS Jobs Clearinghouse | Minnesota |
| GIS Lounge | California |
| GIS Planning, Inc. | California |
| GISJobs.com, LLC | Wisconsin |
| GISmo Solutions Ltd | Louisiana |
| Gist AI | |
| Gistia | |
| Gistia Healthcare, LLC | |
| GISuser.com | Maryland |