| 1 | BLM | The Black Magic Project Ltd. | Callsign: Black Magic, | GB | AVCODES |
| 2 | BLM | Blue Airways | | USA | AVCODES |
| 3 | BLM | Blue Airways | | AM | AVCODES |
| 4 | BLM | Helicopteros Personales, S.A. | Callsign: Heli Per, | PA | AVCODES |
| 5 | BLM | Blue Airways | | | ICAO1 |
| 6 | BLM | Bergbahn Lauterbrunnen - Mürren | | CH | TRAFFIC |
| 7 | BLM | Bergbahn Lauterbrunnen - Mürren | | CH | VKM |
| 8 | BLMA | BALL MOTOR LINE OF APOPKA INC | | | SCAC3 |
| 9 | BLMA | BLUELINE MANUFACTURING COMPANY INC | | | SCAC4 |
| 10 | BLMB | BLINN MORRILL CO | | | SCAC3 |
| 11 | BLMB | blm Blue lean mobility gmbh | | DE | VKM |
| 12 | BLMC | BLOMBERG TRUCKING COMPANY | | | SCAC3 |
| 13 | BLMD | BELMART DISTRIBUTING | | | SCAC3 |
| 14 | BLMD | BAILLIE MOVING SYSTEMS LTD | | | SCAC4 |
| 15 | BLMF | BEE-LINE MOTOR FREIGHT | | | SCAC3 |
| 16 | BLMG | BLAIR MOVING & STORAGE CO LLP | | | SCAC4 |
| 17 | BLMH | BLUMHORST, R H TRUCK SERVICE | | | SCAC3 |
| 18 | BLMH | BLEMORA HERITAGE ANTIQUES | | | SCAC4 |
| 19 | BLMI | BELMONT MOVING & STORAGE CORP | | | SCAC3 |
| 20 | BLMI | BELMONT FREIGHT CORP | | | SCAC4 |
| 21 | BLMJ | BELL MOVING & STORAGE | | | SCAC3 |
| 22 | BLMJ | BLAINE, M J INC | | | SCAC4 |
| 23 | BLML | BLUE MOUNTAIN LINES | | | SCAC3 |
| 24 | BLMN | BEELMAN TRUCK CO | | | SCAC3 |
| 25 | BLMN | BEELMAN TRUCK CO | | | SCAC4 |
| 26 | BLMO | BLUE MOUNTAIN EXPRESS | | | SCAC3 |
| 27 | BLMP | BLM GROUP INC | | | SCAC4 |
| 28 | BLMQ | BELMONT CARTAGE INC | | | SCAC3 |
| 29 | BLMR | Blue Mountain R.R., Inc. | 1/1994-7/2005; added 4/2008 | | NAKINA |
| 30 | BLMR | Blue Mountain R.R., Inc. | 1/94-7/2000 | | NRHS |
| 31 | BLMR | BLUE MOUNTAIN RAILROAD, INC. | | | PWRC |
| 32 | BLMR | Blue Mountain Railroad | | | RSRV |
| 33 | BLMR | BLUE MOUNTAIN RAILROAD INC | | | SCAC4 |
| 34 | BLMS | BLOOMS BUS LINES INC | | | SCAC4 |
| 35 | BLMT | BALMAN TRUCKING LTD | | | SCAC4 |
| 36 | BLMU | BLUE MARLIN CONTAINER LINE PRIVATE LIMITED | | IND | BIC |
| 37 | BLMW | BELTSVILLE MOVERS INC | | | SCAC3 |
| 38 | BLMW | BOURNE LOGISTICS MANAGEMENT INC | | | SCAC4 |
| 39 | BLMY | BLUE MOUNTAIN TRUCKING CORPORATION | | | SCAC3 |
