| 1 | BPO | Bundepolizei-Fliegergruppe | Callsign: Pirol, | D | AVCODES |
| 2 | BPO | Bundepolizei-Fliegertruppe | | | ICAO1 |
| 3 | BPO | BP AMOCO {BP OIL} | | | PWRC |
| 4 | BPOC | BURMPAC OIL COMPANY | | | SCAC3 |
| 5 | BPOC | BURDICK, PAUL OIL CO LLC | | | SCAC4 |
| 6 | BPOD | BROTHERS PRODUCE OF DALLAS INC | | | SCAC4 |
| 7 | BPOD | Miejski Zakład Komunikacyjny w Białej Podlaskiej Sp. z o.o. | | PL | TRAFFIC |
| 8 | BPOI | BRANDON PIANO & ORGAN INC | | | SCAC3 |
| 9 | BPON | B P O TRANSPORT | | | SCAC4 |
| 10 | BPOR | B & B TRANSPORTATION LLC | | | SCAC4 |
| 11 | BPOT | BOYD TRANSPORT | | | SCAC4 |
| 12 | BPOX | BP Amoco Chemical Co., Chemical Division | added 10/2006 | | NAKINA |
| 13 | BPOX | BP Amoco Chemical Co., BP Oil Division | added 1/2000; 7/2000-7/2005; eliminated 10/2006 | | NAKINA |
| 14 | BPOX | BP Amoco Chemical Co. | eliminated 1/2000 | | NAKINA |
| 15 | BPOX | BP Oil Co. | added 1/1990; 1/1994 | | NAKINA |
| 16 | BPOX | BP Oil Inc. | added 4/1985; eliminated 1/1990 | | NAKINA |
| 17 | BPOX | BP Oil Inc. | added 4/85; eliminated 1/90 | | NRHS |
| 18 | BPOX | BP Oil Co. | added 1/90; 1/94 | | NRHS |
| 19 | BPOX | BP Amoco Chemical Co. | eliminated 1/2000 | | NRHS |
| 20 | BPOX | BP Amoco Chemical Co., BP Oil Division | added 1/2000; 7/2000 | | NRHS |
| 21 | BPOX | BP AMOCO CHEMICAL COMPANY [BP OIL CO.] | | | PWRC |
| 22 | BPOX | BP Amoco Chemical (BP Oil Division) | | | RSRV |
| 23 | BPOX | BP AMOCO CHEMICAL COMPANY | | | SCAC4 |
