| GreenPages, Inc. | Maine |
| GreenPark Sports, Inc. | California |
| Greenpoint Technologies | Washington |
| Greenray Industries, Inc. | Pennsylvania |
| Greenray Solutions | |
| GreenRoad Technologies, Inc. | Texas |
| GreenRoom | |
| GreenRope | California |
| GreenSage Prebiotics, Inc. | |
| Greensboro College | North Carolina |
| Greensboro SEO Pro | |
| Greensea IQ | |
| Greensea Systems, Inc. | Vermont |
| Greenshades, Inc. | Florida |
| GreenSight | |
| GreenSky, LLC | |
| GreenSock, Inc. | Illinois |
| Greenspon Advertising | |
| Greenstone Biosciences | |
| Greenstone Systems | Georgia |
| Greentech Renewables | |
| GreenTech Solar USA | New Jersey |
| Greentown Labs | Massachusetts |
| GreenTree Hosting | Connecticut |
| Greenville Technical College | South Carolina |
| Greenville University | Illinois |
| Greenware Systems, Inc. | Ohio |
| Greenwave Systems | California |
| Greenway Solutions | |
| Greenwich Computer Solutions | Connecticut |
| Greenwich LifeSciences, Inc. | Texas |
| Greenwood Online Services & Consulting, LLC | |
| Greenwood Software | California |
| Greenzie | Georgia |
| Greer Force Marketing & Design | |
| Greffex, Inc. | Texas |
| Greg Beddor | Oregon |
| greGAMES, LLC | New York |
| Gregg Banse | Vermont |
| Gregg Communications Systems, Inc. | Illinois |
| Gregg Engineering | Texas |
| GreggSmith.com | New Jersey |
| greghickman.com, LLC | Georgia |
| Greglist | Texas |
| GregMedia, Inc. | |
| Gremark Technologies, Inc. | Illinois |
| Gremlin, Inc. | California |
| Grendel Design | Texas |
| Grene Robotics, LLC | |
| Grepsr | |