| Restorative Therapies | |
| RestorePoint | Georgia |
| Restream, Inc. | Texas |
| Resultant | Indiana |
| ResultFirst | California |
| ResultMaps, Inc. | Texas |
| Results Communications and Research | |
| Results IS | Washington |
| Results Partners | |
| Results Repeat | |
| Results.com | California |
| ResultsIQ | |
| RESUMate, Inc. | Michigan |
| Resume Blaze, LLC | |
| Resume Builder | |
| Resume-Library.com | Massachusetts |
| Resume.co | |
| ResumeBuild | |
| ResumeGiants | Florida |
| ResumePuppy | California |
| REsurety | |
| Resurgens Technology Partners | Georgia |
| ReSuture | Arizona |
| ResVita Bio | California |
| ReSync Bio, Inc. | |
| RET2 Systems, Inc. | |
| RET3 Job Corporation | Ohio |
| Retab, Inc. | |
| Retail Management Products Ltd | Ohio |
| Retail Manager | Puerto Rico |
| Retail Pro International | California |
| Retail Process Engineering, LLC | Florida |
| Retail Technologies, Inc. | Alabama |
| Retail Velocity | Michigan |
| Retailbound, Inc. | |
| Retailbox | |
| RetailEdge | Vermont |
| Retailer Web Services, LLC | Arizona |
| RetailMeNot, Inc. | |
| RetailNext, Inc. | California |
| RetailOps | California |
| RetailWare Online | California |
| Retainr | |
| Retargetly | |
| Retension Pharmaceuticals, Inc. | Virginia |
| Retention Media | |
| Retently | California |
| Rethink Consulting, LLC | |
| Rethink Impact | |
| Rethink Ledgers | North Carolina |