| Richmond Tech and Telecom | Pennsylvania |
| Richmond Technology Council | Virginia |
| Richmond Web Factory | |
| Richmont Graduate University | Georgia |
| RichRelevance | |
| Richweb, Inc. | Virginia |
| Rick's Computers, Inc. | Iowa |
| Ricky Romero | California |
| Ricochet Partners | |
| Ricoh USA, Inc. | Pennsylvania |
| RICS Software | Indiana |
| Ridecell | California |
| Ridecell, Inc. | |
| rideOS | California |
| RidePal | |
| Rider University | New Jersey |
| RiderWeb, Inc. | Colorado |
| Rideview | |
| Ridge Biotechnologies, Inc. | |
| Ridge Marketing & Design, LLC | |
| Ridge Ventures | California |
| Ridgeback Biotherapeutics | |
| Ridgeback Network Defense, Inc. | Maryland |
| Ridgeline | |
| Ridgeline Agency | |
| Ridgeline Therapeutics | |
| Ridgeline Ventures | Colorado |
| Ridgeline, Inc. | Nevada |
| Ridgemax, LLC | |
| RidgeRun, LLC | Florida |
| RidgeStar | Washington |
| Ridgewater College | Minnesota |
| Ridgewater College Computer Systems Technology | Minnesota |
| RIDI Corporation | |
| Ridley Engineering, Inc. | California |
| Ridley Technologies, Inc. | |
| Riedon, Inc. | California |
| Riff | |
| Rigel Corporation | Florida |
| Rigel Networks, LLC | California |
| Rigel Pharmaceuticals, Inc. | |
| RigelTech | California |
| Rigetti | California |
| Right Angle, Inc. | Massachusetts |
| Right Brain Bio, Inc. | |
| Right Click Digital | |
| Right Click, Inc. | California |
| Right Eye Graphics, LLC | |
| Right Here Interactive, LLC | |
| Right Key Solutions | |