| Granata Bio | Massachusetts |
| Grand Canyon University | Arizona |
| Grand Circus | Michigan |
| Grand Marketing Solutions | |
| Grand Rapids Linux Users Group | Michigan |
| Grand Rapids SEO | Michigan |
| Grand River Aseptic Manufacturing | |
| Grand Round Table | |
| Grand Traverse Mobile Communications | Michigan |
| Grand Valley Design | |
| Grand Valley State University College of Computing | Michigan |
| Grand Valley State University Department of Mathematics | Michigan |
| Grand Valley Telecommunication, Inc. | Colorado |
| Grand Ventures | |
| Grand View Research, Inc. | |
| Grand View University | Iowa |
| Grandapps Development | Michigan |
| GrandBanks Capital | Massachusetts |
| Grande Communications Networks, LLC | Texas |
| Grander Capital Partners, LLC | Massachusetts |
| GrandMasters | Washington |
| Grands Digital | |
| Grandslam Design | Florida |
| Grandstream Networks, Inc. | Massachusetts |
| GrandTec, Inc. | Wisconsin |
| Granicus | Colorado |
| Granite City | California |
| Granite Communications, Inc. | Connecticut |
| Granite Computer Solutions | Arizona |
| Granite Partners | |
| Granite Software, Inc. | Colorado |
| Granite State Communications | New Hampshire |
| Granite Telecommunications, LLC | Massachusetts |
| Granite Ventures, LLC | California |
| Granite Web Design, Inc. | New York |
| Grann Pharmaceuticals | |
| Granola, Inc. | |
| Grant and Labels | |
| Grant Assistant | Virginia |
| Grant Communications, LLC | New Hampshire |
| Grant Rostig and Associates | |
| Grant Street Group | Pennsylvania |
| Grantable | |
| Grantek Systems Integration | Pennsylvania |
| Grantham Consulting, Inc. | Indiana |
| Grantlun | Montana |
| Granular | |
| Granular, Inc. | California |
| Grape Marketing | |
| Grape Up | California |