| 1 | OWT | TWO Taxi Aereo Ltda | Callsign: Brasil Cargo, IATA Prefix: 204, | BR | AVCODES |
| 2 | OWT | TWO Taxi Aereo Ltda | Callsign: Brasil Cargo, Name changed to twoFlex Taxi Aereo Ltda | BR | AVCODES |
| 3 | OWT | twoFlex Taxi Aereo Ltda | Callsign: Brasil Cargo, Name changed from TWO Taxi Aereo Ltda. | BR | AVCODES |
| 4 | OWT | twoFlex Taxi Aereo Ltda | IATA: 2F, Callsign: Brasil Cargo, Name changed to Azul Conecta Ltda on 11 August 2020. ICAO designator changed to ACN. ICAO Callsign changed to Azul Conecta. Name changed from TWO Taxi Aereo Ltda. | BR | AVCODES |
| 5 | OWTA | OCEAN WESTWARD TRANSPORTATION INC | | | SCAC3 |
| 6 | OWTF | O W TRUCKING | | | SCAC3 |
| 7 | OWTG | OWENS TRUCKING COMPANY INC | | | SCAC3 |
| 8 | OWTI | OSWALD TRUCKING SERVICE | | | SCAC3 |
| 9 | OWTK | OWENS TRUCK SALES INC | | | SCAC3 |
| 10 | OWTL | OWENS TRUCK LEASING INC | | | SCAC3 |
| 11 | OWTL | OUTLAW TRUCKING & LOGISTICS INC | | | SCAC4 |
| 12 | OWTN | O & W TRANSPORT INC | | | SCAC3 |
| 13 | OWTN | OLSON, WES TRUCKING INC | | | SCAC4 |
| 14 | OWTO | OWENS TRUCKING | | | SCAC3 |
| 15 | OWTP | ONE WAY TRANSPORTATION LLC | | | SCAC4 |
| 16 | OWTQ | ONLY WAY TRANSFER & STORAGE | | | SCAC3 |
| 17 | OWTQ | OHIO WAREHOUSE & TRANSPORTS INC | | | SCAC4 |
| 18 | OWTS | OWEN TRANSPORT CORP | | | SCAC3 |
| 19 | OWTT | OUTWEST | | | SCAC3 |
| 20 | OWTW | OCEANSIDE WELDING & TOWING COMPANY | | | SCAC3 |
| 21 | OWTX | Shamrock Coal Co., Inc. | added 1/1983; eliminated 10/1991 | | NAKINA |
| 22 | OWTX | Oneida & Western Transportation | 1/1980 | | NAKINA |
| 23 | OWTX | Oneida & Western Transportation | Jan-80 | | NRHS |
| 24 | OWTX | Shamrock Coal Co., Inc. | added 1/83; eliminated 10/91 | | NRHS |
| 25 | OWTX | *ONIEDA & WESTERN TRANSPORTATION | | | PWRC |
| 26 | OWTX | *RETIRED 10-31-91 ATP (1421) [SHAMROCK COAL CO.] | | | PWRC |
| 27 | OWTX | Shamrock Coal | | | RSRV |
| 28 | OWTX | Oneida & Western Transportation | | USA | TRAFFIC |
