| Guru99 | Delaware |
| Gurucul | California |
| GuruHotel, Inc. | California |
| Gurulabs, Inc. | |
| Gurus2go | Texas |
| Gurzu, Inc. | Massachusetts |
| Gush | New York |
| Gust, LLC | New York |
| Gustavus Adolphus College Mathematics, Computer Science and Statistics | Minnesota |
| Gusto | California |
| GustoSoft.com | Virginia |
| Gutenberg | |
| Gutenberg College | Oregon |
| Gutensite | California |
| Gutsy | |
| GV | California |
| GV20 Therapeutics | |
| GV20 Therapeutics | |
| GVEC.net, Inc. | Texas |
| GVision USA | California |
| GVO Holdings | |
| GVO, Inc. | Texas |
| GW Apps | California |
| GW Instruments, Inc. | Massachusetts |
| GWC Tech Hub, LLC | |
| GWC Technology, Inc. | California |
| GWG Solutions | Arizona |
| GWI Engineering | Michigan |
| Gwinnett Colleges and Institute | Georgia |
| Gwinnett Technical College | Georgia |
| Gwynedd Mercy University | Pennsylvania |
| GX Software | California |
| GyanSys, Inc. | Indiana |
| Gybe | Oregon |
| GYG Associates Ltd | New York |
| GYK | |
| Gym Insight | Nevada |
| Gymnasium | |
| GyneConcepts, Inc. | Georgia |
| Gynesonics, Inc. | California |
| Gynger | |
| Gypsy Lane Technologies | Pennsylvania |
| Gyration | California |
| Gyre Software, LLC | Wyoming |
| Gyre Therapeutics, Inc. | |
| Gyrocode, LLC | Pennsylvania |
| Gyrus LMS | Virginia |
| H Venture Management | Ohio |
| H&A Scientific | North Carolina |
| H&S Technology, Inc. | Texas |