| Rob Mensching | Washington |
| RobCo, Inc. | |
| Robert Arthur Designs, LLC | |
| Robert Elder Software, Inc. | |
| Robert Gezelter Software Consultant | New York |
| Robert Half, Inc. | |
| Robert Hebert Media | |
| Robert James Industries, LLC | Connecticut |
| Robert Morris University | Pennsylvania |
| Robert Tisdale | |
| Roberts Web Design | |
| Roberts Wesleyan College | New York |
| Robertson + Partners | Nevada |
| RōBEX, LLC | Ohio |
| RobiDigital, LLC | |
| Robin & Co. | Illinois |
| Robin Hood Ventures | Pennsylvania |
| Robin Medical, Inc. | Maryland |
| Robin Powered, Inc. | Massachusetts |
| Robin Stewart | Washington |
| Robin Systems, Inc. | California |
| Robinia Creative Group | Ohio |
| RobinSoft Corporation | Georgia |
| Robinson and Associates, Inc. | |
| Robintek | Ohio |
| Robis Marketing, Inc. | Illinois |
| Robis, Inc. | Illinois |
| Roble Systems, Inc. | California |
| ROBLOX Corporation | California |
| Robly Ltd | New York |
| Robo Wunderkind, Inc. | |
| Robocorp | California |
| RoboCup Federation, Inc. | |
| Robodub | |
| Roboflow, Inc. | |
| RoboForce, Inc. | |
| RoboForm | Virginia |
| RoboMail | Illinois |
| RoboSig, Inc. | Illinois |
| RoboSource | |
| Robot App Store | California |
| Robot Entertainment, Inc. | Texas |
| Robot House | |
| Robot Operating System | California |
| Robot Power | Texas |
| RobotBooks.com | California |
| Robotics and Things, Inc. | California |
| Robotics Education & Competition Foundation | |
| Robotics Science and Systems | |
| Robotmaster | |