Showing 1,012 registered airlines with a combined fleet of 8,872 airframes.
| Airline Name | ICAO / IATA | Fleet Size |
|---|---|---|
| Rich International Airways | RIA | 0 |
| Richards Aviation | RVC | 0 |
| Richardson's Airway | RIC | 0 |
| Richland Aviation | RCA | 0 |
| Rimrock Airlines | RIM | 0 |
| Rio Airways | REO | 0 |
| Roblex Aviation | ROX | 0 |
| Rockwell Collins Avionics | RKW | 0 |
| Rocky Mountain Airways | RMA | 0 |
| Rocky Mountain Holdings | LIF | 0 |