| Graphite | |
| Graphite GTC | |
| Graphite Lab | Missouri |
| Graphite Systems, Inc. | |
| GraphixStation | Oklahoma |
| Graphixvip | Florida |
| GraphLock, Inc. | |
| Graphly.io | Utah |
| Graphnet | New York |
| Graphon Corporation | California |
| GraphPad Software | California |
| GraphStream | California |
| GraphWear Technologies, Inc. | California |
| Grass Valley Web Design | California |
| Grassfrog Technologies, LLC | South Dakota |
| Grasshopper | Massachusetts |
| Grata | New York |
| Grata Software | Florida |
| Grata Software | |
| Grater Digital | |
| Gratz College | Pennsylvania |
| Gravatar | California |
| Graveco Software, Inc. | Washington |
| Gravic, Inc. | Pennsylvania |
| Gravis Marketing | |
| Gravis Tech | Idaho |
| Gravitas Medical, Inc. | California |
| Gravitate Design Studio, LLC | Washington |
| Gravitate One | |
| Graviton Bioscience | New York |
| Gravity Communications, Inc. | Washington |
| Gravity Diagnostics | |
| Gravity Internet Marketing | California |
| Gravity Investments | Colorado |
| Gravity Jack | Washington |
| Gravity Medical Technology, Inc. | |
| Gravity Search Marketing, LLC | California |
| Gravity Systems | New Jersey |
| Gravity Systems, Inc. | Texas |
| Gravity Ventures, Inc. | Indiana |
| Gravity, Inc. | |
| Gravity, Inc. | |
| Gravity.com | |
| GravityFree Studios | Florida |
| GraVoc Software | Massachusetts |
| Gravy Solutions | |
| Gravyty | |
| GRAX, Inc. | Massachusetts |
| Gray Analytics | Alabama |
| Gray Digital | Maryland |