| 1 | RRB | Aero Club de Castellon | | E | AVCODES |
| 2 | RRB | RAMPART RANGE CORPORATION | | | PWRC |
| 3 | RRB | RRB Slovakia, s.r.o. | | SK | VKM |
| 4 | RRBA | ROJAS RUIZ, BALTAZAR | | | SCAC4 |
| 5 | RRBB | R & R BIG BUS | | | SCAC4 |
| 6 | RRBE | REEDEREI BLUE STAR GMBH | | | SCAC4 |
| 7 | RRBG | R & R BROKERAGE | | | SCAC3 |
| 8 | RRBH | ROSEAU RIVER BUFFALO RANCH | | | SCAC4 |
| 9 | RRBK | R & R BULK TRANSPORT INC | | | SCAC4 |
| 10 | RRBL | RED RIVER BARGE LINE, INC | | | SCAC3 |
| 11 | RRBN | RAPID ROBIN | | | SCAC3 |
| 12 | RRBS | ROADRUNNER BUS LINES | | | SCAC3 |
| 13 | RRBT | ROARK, ROBERT TRUCKING CO | | | SCAC3 |
| 14 | RRBT | ROARK, ROBERT TRUCKING CO | | | SCAC4 |
| 15 | RRBU | RRB RAILROAD GMBH | | D | BIC |
| 16 | RRBX | Rampart Range Corp. | added 4/1994; eliminated 7/1999; added 10/1999; 7/2000-7/2005; eliminated 1/2007 | | NAKINA |
| 17 | RRBX | Rampart Range Corp. | added 4/94; eliminated 7/99; added 10/99; 7/2000 | | NRHS |
| 18 | RRBX | RAMPART RANGE CORPORATION | | | PWRC |
| 19 | RRBX | Rampart Range Corporation | | | RSRV |
| 20 | RRBX | RAMPART RANGE CORPORATION | | | SCAC4 |
