| GetTerms | Washington |
| Getty Images | Washington |
| Gettysburg College | Pennsylvania |
| Getuwired | Georgia |
| GetVector, Inc. | |
| GetVoIP.com | New York |
| Getweb, Inc. | New York |
| Getwebbed.net, Inc. | |
| Getweys | Texas |
| GetWhys | |
| GetWireless | Minnesota |
| getwireless.net | Pennsylvania |
| Gewritere Information Technology, LLC | |
| GFI Software | North Carolina |
| GFI USA, LLC | |
| GForge Group, Inc. | Iowa |
| GFR Fund | |
| GG-One Software, Inc. | Pennsylvania |
| GGG Marketing, LLC | |
| GGT Electronics, LLC | |
| GGV Capital | California |
| GHAX, Inc. | |
| GHG Corporation | Texas |
| GHGSat, Inc. | |
| GHK Technologies, Inc. | |
| Ghost Agency | |
| Ghost Browser | Colorado |
| Ghost Garden Games | |
| Ghost Inspector | Minnesota |
| Ghost Note Media, LLC | |
| Ghost Robotics Corporation | Pennsylvania |
| Ghost, Inc. | |
| Ghostery, Inc. | New York |
| Ghostlight Marketing, LLC | |
| Ghostnet, Inc. | Georgia |
| Ghostscript | California |
| Ghostscript, Ghostview and GSview | Wisconsin |
| Ghostwave, Inc. | Ohio |
| GHR Healthcare | Pennsylvania |
| GIACT Systems, LLC | |
| Gianfranco.us | Florida |
| Giant Communications | Kansas |
| Giant Donut Marketing | |
| Giant Media | |
| Giant Owl, Inc. | |
| Giant Propeller | |
| GIANT Protocol | California |
| Giant Spoon | |
| Giaveneers, Inc. | California |
| Gibbard Web Design | California |