| 1 | UPD | Air Foyle Charter Airlines Ltd. | IATA: G2, Callsign: Broadsword, Name changed to Air Foyle Passenger Airlines Limited | GB | AVCODES |
| 2 | UPD | Air Foyle Passenger Airlines Limited | IATA: G2, Callsign: Broadsword, Designator G2 recalled by IATA. Name changed from Air Foyle Charter Airlines Ltd. | GB | AVCODES |
| 3 | UPDC | UNION PACIFIC CARRIER SERVICES (DIV | | | SCAC4 |
| 4 | UPDL | U-PAK DISPOSALS (1989) LIMITED | | | SCAC4 |
| 5 | UPDM | UNION PACIFIC DE MEXICO | | | SCAC1 |
| 6 | UPDT | UPPER DECK TRANSPORT INC | | | SCAC4 |
