| Roboto Technologies, Inc. | Washington |
| RoboToaster | |
| Robots & Pencils | Ohio |
| RoboTutor | Utah |
| RobotWorx | Ohio |
| RobotZone, LLC | Kansas |
| Robozaps, Inc. | |
| Robson Technologies, Inc. | California |
| Robust Intelligence, Inc. | California |
| Roby | Washington |
| ROC Software, L.P. | Texas |
| ROC Studios, LLC | |
| Rochal Industries, LLC | |
| Rochester Community and Technical College | Minnesota |
| Rochester Electronics | Massachusetts |
| Rochester Institute of Technology Chester F. Carlson Center for Imaging Science | New York |
| Rochester Institute of Technology Department of Computer Engineering | New York |
| Rochester Institute of Technology Department of Computer Science | New York |
| Rochester Institute of Technology School of Mathematics and Statistics | New York |
| Rochester Math Club | |
| Rochester Precision Optics | New York |
| Rochester Software Associates, Inc. | New York |
| Rochester University | Michigan |
| Rock Elm Capital | Connecticut |
| Rock Health | California |
| Rock Health Capital | |
| Rock Hill Capital | |
| Rock Island, Inc. | Washington |
| Rock IT Solutions | |
| Rock Paper Scissors | Indiana |
| Rock River Linux Users Group | Illinois |
| Rock Solid Internet | Texas |
| Rock Solid Shipping | Utah |
| Rock Solid Software, LLC | |
| Rock Solid Technologies | Texas |
| Rock Star Marketing | |
| Rock Technology | Iowa |
| Rock The Rankings, LLC | |
| Rock Valley College | Illinois |
| Rock Ventures, LLC | Michigan |
| Rock-it Global | Pennsylvania |
| Rockbestos-Surprenant Cable Corporation | Connecticut |
| Rockbot, Inc. | California |
| Rockbridge Growth Equity‚ LLC | Michigan |
| Rockdale NeTworks | Georgia |
| Rockefeller Foundation | |
| Rockerbox, Inc. | |
| Rockers Technologies | Texas |
| Rocket 31 | |
| Rocket Booster | |