| 1 | BAP | Trans International Express | Callsign: Big Apple, Designator 5B recalled by IATA | USA | AVCODES |
| 2 | BAP | Trans International Express | IATA: 5B, Callsign: Big Apple, Designator 5B recalled by IATA. Name changed from Tie Aviation | USA | AVCODES |
| 3 | BAP | Tie Aviation | IATA: 5B, Callsign: Big Apple, Name changed to Trans International Express | USA | AVCODES |
| 4 | BAP | Trans International Express Aviation | | | ICAO1 |
| 5 | BAP | Butte, Anaconda & Pacific Ry. | 4/1938-10/1966 & 1/1975-1/1980; eliminated 7/1985 | | NAKINA |
| 6 | BAP | Butte, Anaconda & Pacific Ry. | 4/38-10/66 & 1/75-1/80 | | NRHS |
| 7 | BAP | BUTTE, ANACONDA & PACIFIC RY | | | PWRC |
| 8 | BAP | Butte, Anaconda and Pacific Railway | | | RSRV |
| 9 | BAP | Buenos Aires al Pacifivo | | RA | TRAFFIC |
| 10 | BAPC | B & P CARTAGE | | | SCAC3 |
| 11 | BAPC | BETTIS ASPHALT & CONSTRUCTION INC | | | SCAC4 |
| 12 | BAPD | BARTOLI'S RAPID TRANSIT DELIVERY | | | SCAC3 |
| 13 | BAPD | BIMMER AUTO PARTS LTD | | | SCAC4 |
| 14 | BAPE | BASIN TRANSPORTS | | | SCAC3 |
| 15 | BAPE | BAP EQUIPMENT LTD | | | SCAC4 |
| 16 | BAPG | BAY AREA PIGGYBACK | | | SCAC3 |
| 17 | BAPI | B & A TRANSPORTATION INC | | | SCAC3 |
| 18 | BAPP | BAY SHIPPERS LLC | | | SCAC4 |
| 19 | BAPR | BACA TRANSPORT | | | SCAC3 |
| 20 | BAPR | Butte, Anaconda & Pacific Ry. | | USA | TRAFFIC |
| 21 | BAPS | BARRETTS PICKUP SERVICE | | | SCAC3 |
| 22 | BAPT | BAKERY PRODUCTS TRANSPORT, INC | | | SCAC3 |
| 23 | BAPU | Bechtel International | | | RSRV |
| 24 | BAPX | The Barber Asphalt Paving Co. | 8/1920-7/1923 | | NAKINA |
| 25 | BAPX | *BARBER ASPHALT PAVING CO. | | | PWRC |
| 26 | BAPX | *BAY AREA PIGGYBACK INCORPORATED | | | PWRC |
| 27 | BAPX | Bay Area Piggyback | | | RSRV |
| 28 | BAPZ | BAY AREA PIGGYBACK INC | | | SCAC4 |
