| 1 | RHA | Robin Hood Aviation GmbH | IATA: RH, Callsign: Sherwood, Founded in 2007. Ceased operations on 23 August 2011. Designator RH* reinstated by IATA | A | AVCODES |
| 2 | RHAD | RHOADES TRANSFER & STORAGE CO | | | SCAC3 |
| 3 | RHAG | REINACHER HAULING | | | SCAC4 |
| 4 | RHAS | RHINES, P & SONS TRUCKING | | | SCAC3 |
| 5 | RHAT | REHA TRUCKING | | | SCAC3 |
| 6 | RHAU | LLC RAILGO | | RUS | BIC |
| 7 | RHAV | RHOADES AVIATION INC | | | SCAC4 |
| 8 | RHAX | Sulphur Sales, Inc. | added 10/1974; 1/1975-1/1980; eliminated 1/1986 | | NAKINA |
| 9 | RHAX | Sulphur Sales, Inc. | added 10/74; 1/75-1/80; eliminated 1/86 | | NRHS |
| 10 | RHAX | SULPHUR SALES INC | | | PWRC |
| 11 | RHAX | Sulphur Sales | | | RSRV |
| 12 | RHAX | SULPHUR SALES INC | | | SCAC4 |
