| 1 | RLP | Airlinair | Name changed to Lease Fly during 2012. | P | AVCODES |
| 2 | RLPC | RALSTON PURINA COMPANY | | | SCAC3 |
| 3 | RLPF | ROYAL PETROLEUM COMPANY | | | SCAC4 |
| 4 | RLPG | RUSSELL LP GAS INC | | | SCAC3 |
| 5 | RLPH | RALPHS TRANSFER | | | SCAC3 |
| 6 | RLPH | RALPHS TRANSFER | | | SCAC4 |
| 7 | RLPI | RAILGATE PIGGYBACK INC | | | SCAC3 |
| 8 | RLPI | RONS LP GAS SERVICE LLC | | | SCAC4 |
| 9 | RLPL | RADIANT LOGISTICS PARTNERS LLC | | | SCAC4 |
| 10 | RLPN | RLP TRUCKING INC | | | SCAC4 |
| 11 | RLPP | Rail-Loco Pawel Plata | | PL | TRAFFIC |
| 12 | RLPR | RALPHS TRIPLE R TRUCKING INC | | | SCAC3 |
| 13 | RLPR | RAILPRO | | | SCAC4 |
| 14 | RLPX | RAIL POWER SERVICES LLC | | | PWRC |
| 15 | RLPX | RAIL POWER SERVICES LLC | | | SCAC4 |
