| 1 | BML | Bismillah Airlines Ltd. | IATA: 5Z, Callsign: Bismillah, Designator 5Z recalled by IATA | BD | AVCODES |
| 2 | BML | Bismillah Airlines Ltd. | IATA: BH, Callsign: Bismillah, IATA Prefix: 256, Designator 5Z recalled by IATA | BD | AVCODES |
| 3 | BML | Bismillah Airlines | IATA: 5Z | | ICAO1 |
| 4 | BML | Belfast and Moosehead Lake R.R. Co. | added 7/1974; 1/1975; eliminated 7/1977; 1/1980; eliminated 7/1991; 1/1994-7/2005 | | NAKINA |
| 5 | BML | Belfast and Moosehead Lake R.R. Co. | added 7/74; 1/75; eliminated 7/77; 1/80; eliminated 7/91; 1/94-7/2000 | | NRHS |
| 6 | BML | BELFAST & MOOSEHEAD LAKE RAILROAD | | | PWRC |
| 7 | BML | Belfast and Moosehead Lake Railroad | | | RSRV |
| 8 | BMLB | BOTTOM LINE BROKERAGE LTD | | | SCAC3 |
| 9 | BMLB | BLUE MOON LOGISTICS | | | SCAC4 |
| 10 | BMLE | BROOKS, MERLE L | | | SCAC3 |
| 11 | BMLG | B & M LOGISTICS INC | | | SCAC4 |
| 12 | BMLH | BECKES MOBILE HOME TRANSPORT | | | SCAC3 |
| 13 | BMLK | BM & L TRUCKING LLC | | | SCAC4 |
| 14 | BMLL | BLUE MOUNTAIN LOG SALES LTD | | | SCAC3 |
| 15 | BMLM | BOBS MOBILE HOME MOVERS | | | SCAC3 |
| 16 | BMLN | BLACK MED LINES LTD. | | | SCAC3 |
| 17 | BMLN | BLACK MED LINES LIMITED | | | SCAC4 |
| 18 | BMLO | BRANSAM LOGISTICS SERVICES INC | | | SCAC4 |
| 19 | BMLP | BLACK MESA & LAKE POWELL RAILROAD | | | PWRC |
| 20 | BMLP | Black Mesa & Lake Powell Railroad | | USA | TRAFFIC |
| 21 | BMLQ | BM LOGISTICS | | | SCAC4 |
| 22 | BMLU | KING OCEAN SERVICES LTD | | USA | BIC |
| 23 | BMLU | King Ocean Services | | | RSRV |
| 24 | BMLU | ERUOTAINER SA | | | SCAC4 |
| 25 | BMLV | BLUE MARITIME LINE LTD | | | SCAC4 |
| 26 | BMLW | BOGDAN MARITIME LTD | | | SCAC4 |
| 27 | BMLY | BRAMMEIER, LARRY TRUCKING | | | SCAC3 |
