| 7501 | BMOS | BROADWAY MOVING & STORAGE | | | SCAC3 |
| 7502 | BMOS | BUCKEYE MOTORSPORTS | | | SCAC4 |
| 7503 | BMOT | B & MO TRANSPORTATION INC | | | SCAC3 |
| 7504 | BMOU | CAI INTERNATIONAL | | USA | BIC |
| 7505 | BMOU | Beacon Intermodal Leasing | | | RSRV |
| 7506 | BMOU | BEACON INTERMODAL FINANCE | | | SCAC4 |
| 7507 | BMOV | BARRETT MOVING & STORAGE CO | | | SCAC3 |
| 7508 | BMOV | BARRETT MOVING & STORAGE | | | SCAC4 |
| 7509 | BMOX | Buick Motor Co. | 7/1923-7/1930 | | NAKINA |
| 7510 | BMOX | BUICK MOTOR CO. | | | PWRC |
| 7511 | BMOY | B & M OIL COMPANY | | | SCAC4 |
| 7512 | BMP | Bundled Aerial Mapping Assets, LLC | Callsign: Air Bama, | USA | AVCODES |
| 7513 | BMPC | BEAM TRANSPORT CO | | | SCAC3 |
| 7514 | BMPC | BELMONT EQUIPMENT COMPANY | | | SCAC4 |
| 7515 | BMPE | BRITISH MARINE PLC | | | SCAC4 |
| 7516 | BMPQ | BUMPAS TRANSFER CO | | | SCAC3 |
| 7517 | BMPT | BARRACKMAN TRUCKING | | | SCAC3 |
| 7518 | BMPT | BMP TRANSPORT INC | | | SCAC4 |
| 7519 | BMPU | BISMARK MARITIME LTD | | PNG | BIC |
| 7520 | BMPW | Bus Marco Polo Wratislavia 1992 | | PL | TRAFFIC |
| 7521 | BMPX | The Borden Food Products Co. Division of the Borden Co. | added 1/1953; eliminated 10/1953 | | NAKINA |
| 7522 | BMPX | The Borden Co., Manufactured Products Division | 1/1950-1/1952; eliminated 1/1953 | | NAKINA |
| 7523 | BMPX | The Borden Co., Manufactured Products Division | Jan-52 | | NRHS |
| 7524 | BMPX | The Borden Food Products Co. Division of the Borden Co. | eliminated 10/53 | | NRHS |
| 7525 | BMPX | THE BORDEN CO. | | | PWRC |
| 7526 | BMQB | BETON MOBILE DU QUEBEC INC | | | SCAC4 |
| 7527 | BMQF | B & M TRANSFER INC | | | SCAC3 |
| 7528 | BMQT | BRAMPTON TRUCKING | | | SCAC3 |
| 7529 | BMR | British Midland Regional Ltd. d/b/a bmi Regional | IATA: BM, Callsign: Kittiwake, IATA Prefix: 480, Name changed to British Midland Regional Ltd. d/b/a flybmi w.e.f. 06 July 2018. | GB | AVCODES |
| 7530 | BMR | British Midland Regional Ltd. d/b/a flybmi | IATA: BM, Callsign: Kittiwake, IATA Prefix: 480, Ceased operations on 16 February 2019. Name changed from British Midland Regional Ltd. d/b/a bmi Regional w.e.f. 06 July 2018. | GB | AVCODES |
| 7531 | BMR | British Midland Regional | | | ICAO1 |
| 7532 | BMR | ? (RhB) | | CH | TRAFFIC |
| 7533 | BMRB | BEAMER BROTHERS TRUCKING COMPANY | | | SCAC3 |
| 7534 | BMRD | BMR TRANSPORT INC | | | SCAC4 |
| 7535 | BMRE | BISHOP MOTOR EXPRESS INC | | | SCAC3 |
| 7536 | BMRG | The Blue Mountain and Reading R.R. | added 10/1984; 1/1994; eliminated 4/1994; 7/2000-7/2005 | | NAKINA |
| 7537 | BMRG | The Blue Mountain and Reading R.R. | added 10/84; 1/94; eliminated 4/94; 7/2000 | | NRHS |
| 7538 | BMRG | BLUE MOUNTAIN & READING RAILROAD | | | PWRC |
| 7539 | BMRG | Blue Mountain and Reading Railroad | | | RSRV |
| 7540 | BMRG | BLUE MOUNTAIN AND READING RAILROAD | | | SCAC3 |
| 7541 | BMRI | BERK MOTOR SERVICE INC | | | SCAC3 |
| 7542 | BMRI | BARNET MARINE INC | | | SCAC4 |
| 7543 | BMRJ | BAUMER FOODS INC | | | SCAC4 |
| 7544 | BMRK | B M TRUCKING INC | | | SCAC3 |
| 7545 | BMRK | BRANDT, MARK TRUCKING LTD | | | SCAC4 |
| 7546 | BMRL | BELL, L. A., MOTOR LINES, INC | | | SCAC3 |
| 7547 | BMRN | BAMA TRUCK LINE LLC | | | SCAC4 |
| 7548 | BMRP | BEAM TRANSPORT INC | | | SCAC3 |
| 7549 | BMRQ | BER-MAR MESSENGER & TRUCKING INC | | | SCAC3 |
| 7550 | BMRR | BOMBAY & MORIA RR | | | PWRC |
| 7551 | BMRR | BERMUDA MOTOR CAR RENTING CO INC | | | SCAC3 |
| 7552 | BMRR | BALDEMA | | | SCAC4 |
| 7553 | BMRS | BREMER SUGAR & DISTRIBUTION CO. INC. | | | PWRC |
| 7554 | BMRS | BREMER SUGAR & DISTRIBUTION COMPANY | | | SCAC3 |
| 7555 | BMRS | BYRAM FARMS | | | SCAC4 |
| 7556 | BMRT | BULTEMA MARINE TRANSPORTATION INC, | | | SCAC3 |
| 7557 | BMRU | BIZNES MASSHTAB LTD. | | RUS | BIC |
| 7558 | BMRX | BLUE MOUNTAIN RAILROAD CO.456 | | | PWRC |
| 7559 | BMS | Akmola Bim | Callsign: Ishim, | KZ | AVCODES |
| 7560 | BMS | Blue Air Aviation S.A. | IATA: 0B, Callsign: Blue Messanger, IATA Prefix: 475, ICAO code changed to BLA and ICAO callsign changed to Blue Air w.e.f. 18 February 2020. Name changed from Blue Air - Airline Management Solution S.R.L. w.e.f. 03 August 2018. | RO | AVCODES |
| 7561 | BMS | St. Lawrence & Atlantic R.R. Co. | added 7/1999; 7/2000-7/2005 | | NAKINA |
| 7562 | BMS | Berlin Mills Ry., Inc. | 1/1975; added 7/1979; 1/1980-1/1994; eliminated 7/1999 | | NAKINA |
| 7563 | BMS | Berlin Mills Ry., Inc. | 1/75; added 7/79; 1/80-1/94; eliminated 7/99 | | NRHS |
| 7564 | BMS | St. Lawrence & Atlantic R.R. Co. | added 7/99; 7/2000 | | NRHS |
| 7565 | BMS | ST. LAWRENCE & ATLANTIC RAILROAD (BERLIN MILLS RAILWAY) | | | PWRC |
| 7566 | BMS | Berlin Mills Railway (St. Lawrence and Atlantic Railroad) | | | RSRV |
| 7567 | BMS | Berlin Mills | | USA | TRAFFIC |
| 7568 | BMSA | BUDS MOVING & STORAGE INC | | | SCAC3 |
| 7569 | BMSA | B MONARCH SHIPPING COMPANY LIMITED | | | SCAC4 |
| 7570 | BMSB | BETA MARITIME SERVICES LTD | | | SCAC3 |
| 7571 | BMSB | BALTIC MARINER SHIPPING COMPANY LIM | | | SCAC4 |
| 7572 | BMSC | BEST MESSENGER SERVICE COURIER INC | | | SCAC3 |
| 7573 | BMSD | BOS MOVING & SERVICE | | | SCAC3 |
| 7574 | BMSD | BMS TRANSPORTATION COMPANY INC | | | SCAC4 |
| 7575 | BMSE | BERM MASTER LLC | | | SCAC4 |
| 7576 | BMSF | BOWMAN, SAM TRUCKING | | | SCAC3 |
| 7577 | BMSG | BLANCHETTE MOVING & STORAGE | | | SCAC3 |
| 7578 | BMSG | BARBER, J MOVING & STORAGE INC | | | SCAC4 |
| 7579 | BMSH | BERRY & MCCARTHY SHIPPING CO | | | SCAC3 |
| 7580 | BMSI | BONDED MESSENGER SERVICE INC | | | SCAC3 |
| 7581 | BMSI | BONDED TRANSPORTATION SOLUTIONS INC | | | SCAC4 |
| 7582 | BMSJ | BEMIS, JIM TRUCKING | | | SCAC3 |
| 7583 | BMSK | B M S TRUCKING INC | | | SCAC3 |
| 7584 | BMSL | BURIES MARKES | | | SCAC3 |
| 7585 | BMSM | BEARTOOTH MOVING & STORAGE | | | SCAC3 |
| 7586 | BMSN | B & M STAGE COACH CO INC | | | SCAC3 |
| 7587 | BMSN | BROADWAY MOVING AND STORAGE INC | | | SCAC4 |
| 7588 | BMSO | BAILEYS MOVING & STORAGE CO | | | SCAC3 |
| 7589 | BMSO | BAILEYS MOVING & STORAGE | | | SCAC4 |
| 7590 | BMSP | BULLETT MESSENGER & TRUCKING SERVIC | | | SCAC3 |
| 7591 | BMSP | BITUMINOUS MATERIALS & SUPPLY LP | | | SCAC4 |
| 7592 | BMSQ | BAUMS TRUCKING LTD | | | SCAC3 |
| 7593 | BMSR | BATESVILLE MOVING & STORAGE CO | | | SCAC3 |
| 7594 | BMSS | B M S SERVICE CO INC | | | SCAC3 |
| 7595 | BMSS | BURGIN MOVING SYSTEMS INC | | | SCAC4 |
| 7596 | BMST | BONANZA MOVING & STORAGE CO | | | SCAC3 |
| 7597 | BMST | BUMSTEAD TRUCKING LIMITED | | | SCAC4 |
| 7598 | BMSU | BOSFOR MARITIME AND LOGISTICS SERVICES | | UAE | BIC |
| 7599 | BMSU | BMC LINE SHIPPING SERVICES (LLC) | | | SCAC4 |
| 7600 | BMSV | B & M SERVICES INCORPORATED | | | SCAC3 |
