| Abbreviation | Definition |
|---|---|
| R | Royalties |
| R/O | Regional Office |
| R2C | Reports and Requirements Company, LLC |
| R4P | Ripe 4 Offices |
| RA | Revenue Account |
| RA | Royal Ambassadors |
| RAA | Raymond Alexander Associates |
| RAA | Reinsurance Association of America |
| RAA | Risdall Advertising Agency |
| RAAC | Revolution Acceleration Acquisition Corp |
| RAAC | Russian American Armory Company |
| RAAI | Rappahannock Adult Activities Inc |
| RAB | Radio Advertising Bureau |
| RAB | Resellers Automated Business |
| RAC | Rcx Allround Communication |
| RAC | Relocation Appraisers Consultants |
| RAC | Rent A Car |
| RAC | Resource Associates Corporation |
| RAC | Roy Anderson Corp |
| RAC | The Risk Assessment Corporation |