| Great Southern Computers, Inc. | Louisiana |
| Great Wave Ventures | New York |
| Great Website .Biz | California |
| Great Works Internet | Maine |
| Greater Boston Chapter of the ACM | Massachusetts |
| Greater Cincinnati Computer | Ohio |
| Greater Cincinnati Oracle Users Group | Ohio |
| Greater Giving | Oregon |
| Greater Houston Partnership | Texas |
| Greater Human Capital | District of Columbia |
| Greater Omaha Chamber | |
| Greater Outlook | |
| Greater Seattle Linux Users Group | Washington |
| Greater Technology Group | North Carolina |
| Greater Than One | New York |
| GreaText | Utah |
| GreatFour Systems | Massachusetts |
| GreatHorn, Inc. | Colorado |
| Greatmail, LLC | Texas |
| Greatson Media, LLC | Maine |
| Greco Systems | Arizona |
| Greeley Computer Services | Colorado |
| Green Armor Solutions, Inc. | New Jersey |
| Green Bird Media, Inc. | California |
| Green Brook Electronics | New Jersey |
| Green Chair Marketing Group | Colorado |
| Green Cloud Defense, LLC | South Carolina |
| Green Dot Advertising and Marketing | Florida |
| Green Egg Ventures | New York |
| Green Eggs and RAM | South Dakota |
| Green Frontier Capital | |
| Green Hat Web Solutions | Colorado |
| Green Hills Communications | Missouri |
| Green Hills Software | California |
| Green Ink Marketing Communications, LLC | |
| Green Jeans Creative | Colorado |
| Green Mangoes Hosting | Tennessee |
| Green Moon Holdings, Inc. | |
| Green Mountain Antibodies | |
| Green Mountain Computing Systems, Inc. | Vermont |
| Green Mountain DeZynes | Vermont |
| Green Mountain Information Technology, Inc. | Vermont |
| Green Mountain Marketing & Advertising, Inc. | Vermont |
| Green Mountain Software Corporation | Vermont |
| Green Mountain System Works, LLC | Vermont |
| Green Olive Tree | Virginia |
| Green Park & Golf Ventures | Texas |
| Green Rack | |
| Green River | Vermont |
| Green River College | Washington |