| 1 | RIO | RIO Linhas Aereas Ltda. | IATA: R3, IATA Prefix: 970, Ceased operations during 2017. | BR | AVCODES |
| 2 | RIOA | RIO STONE | | | SCAC4 |
| 3 | RIOB | RIO BRAVO TRANSPORT INC | | | SCAC3 |
| 4 | RIOB | RIO BRAVO TRUCKING SA DE CV | | | SCAC4 |
| 5 | RIOC | Roosevelt Island Operationg Corp. | | USA | TRAFFIC |
| 6 | RIOD | RIO TRANS | | | SCAC4 |
| 7 | RIOG | RIO GRANDE EXPRESS FREIGHT INC | | | SCAC3 |
| 8 | RIOG | RIO GRANDE CARTAGE CO | | | SCAC4 |
| 9 | RIOI | RICHARD OIL AND FUEL LLC | | | SCAC4 |
| 10 | RIOL | RIO LINDA MARINE | | | SCAC3 |
| 11 | RIOM | RIOM CORPORATION | | | SCAC3 |
| 12 | RIOM | RIOM CORPORATION | | | SCAC4 |
| 13 | RION | RICE, OWEN F | | | SCAC3 |
| 14 | RIOO | RITCHIE TRUCKING SERVICE, INC | | | SCAC3 |
| 15 | RIOO | RITCHIE TRUCKING SERVICE | | | SCAC4 |
| 16 | RIOP | RIOS, PAUL JR | | | SCAC3 |
| 17 | RIOP | RIO TRANSPORT INC | | | SCAC4 |
| 18 | RIOR | RIOMAR AGENCIES INC. | | | SCAC3 |
| 19 | RIOR | RIOMAR AGENCIES INC. | | | SCAC4 |
| 20 | RIOS | RIOS WOOD & COAL YARD | | | SCAC3 |
| 21 | RIOS | RIOS, M TRUCKING | | | SCAC4 |
| 22 | RIOT | RIO MARINE INC, | | | SCAC3 |
| 23 | RIOV | RIOJAS VASQUEZ, DIANA ROMELIA, ROIO | | | SCAC4 |
| 24 | RIOW | RIGHT-O-WAY TRANSPORTATION INC | | | SCAC3 |
