| 4501 | BGTO | BATTLE GROUND TRUCK SERVICE | | | SCAC3 |
| 4502 | BGTP | B G TRUCKING | | | SCAC3 |
| 4503 | BGTP | BIG T ENTERPRISES LLC | | | SCAC4 |
| 4504 | BGTQ | BERGER TRANSPORT INC | | | SCAC3 |
| 4505 | BGTS | BERGER TRANSFER & STORAGE INC | | | SCAC4 |
| 4506 | BGTT | BLACK GOLD TRANSPORT LLC | | | SCAC4 |
| 4507 | BGTV | BAGGETT TRUCKING | | | SCAC3 |
| 4508 | BGTX | Bogalusa Turpentine Co. | 8/1920-7/1937 | | NAKINA |
| 4509 | BGTX | BOGALUSA TURPENTINE CO. | | | PWRC |
| 4510 | BGTY | B & G TRUCK COMPANY | | | SCAC3 |
| 4511 | BGTY | BLUE & GREY TRANSPORT CO LLC | | | SCAC4 |
| 4512 | BGTZ | BILLINGS GRAIN TERMINAL | | | PWRC |
| 4513 | BGU | Busbetrieb Grenchen und Umgebung | | CH | TRAFFIC |
| 4514 | BGUB | BIGGS LUMBER TRANSPORT | | | SCAC3 |
| 4515 | BGUL | BAILEYS GULF | | | SCAC3 |
| 4516 | BGUQ | BADGER TRUCK LINES INC | | | SCAC3 |
| 4517 | BGUS | BURGOS, LUIS | | | SCAC4 |
| 4518 | BGUY | BOURASSA, GUY TRANSPORT INC | | | SCAC3 |
| 4519 | BGUY | BRIGGS, GUY | | | SCAC4 |
| 4520 | BGVC | BEGOVIC CORP | | | SCAC4 |
| 4521 | BGVQ | BIG VALLEY TRANSFER | | | SCAC3 |
| 4522 | BGVT | BIG VALLEY TRANSPORT INC | | | SCAC3 |
| 4523 | BGVW | BUDGET TRAVELS WEST | | | SCAC3 |
| 4524 | BGW | Bahngesellschaft Waldhof AG | Mannheim | D | privat-bahn.de |
| 4525 | BGW | Bahngesellschaft Waldhof AG | | D | TRAFFIC |
| 4526 | BGWA | BIG WALTS INC | | | SCAC3 |
| 4527 | BGWC | BEE/GEE WELDING COMPANY | | | SCAC3 |
| 4528 | BGWE | BIG WHEELS TRANSPORT INC | | | SCAC3 |
| 4529 | BGWG | BELTMANN GROUP INCORPORATED (WAREHO | | | SCAC4 |
| 4530 | BGWH | BIG WHEEL INC | | | SCAC3 |
| 4531 | BGWI | BARRERA, GABE WROUGHT IRON WORKS | | | SCAC4 |
| 4532 | BGWL | BIG WHEELS TRANSPORT & LEASING LTD | | | SCAC3 |
| 4533 | BGWM | BRIDGEVIEW MARINA LIMITED | | | SCAC4 |
| 4534 | BGWO | BAGWELL OIL CO | | | SCAC4 |
| 4535 | BGWQ | BRIGGS WALTER FUEL | | | SCAC3 |
| 4536 | BGWS | BOSAGRAPE WINERY SUPPLIES LTD | | | SCAC4 |
| 4537 | BGWT | BG TIRE DISPOSAL | | | SCAC4 |
| 4538 | BGX | Bigas Grup Helicopters, S.L. | | E | AVCODES |
| 4539 | BGX | Barco Gasoline Co. | 7/1923-7/1932 | | NAKINA |
| 4540 | BGX | BARCO GASOLINE CO. | | | PWRC |
| 4541 | BGXA | BERGER TRANSFER & STORAGE INC | | | SCAC4 |
| 4542 | BGXB | BERGER TRANSFER & STORAGE INC | | | SCAC4 |
| 4543 | BGXC | BENDERIDGE TRANSPORT INC | | | SCAC4 |
| 4544 | BGXE | BULLDOG EXPRESS | | | SCAC4 |
| 4545 | BGXI | BADGER EXPRESS INC | | | SCAC3 |
| 4546 | BGXI | BADGER EXPRESS LLC | | | SCAC4 |
| 4547 | BGXL | BGE LOGISTICS LLC | | | SCAC4 |
| 4548 | BGXN | BY GRACE TRANSPORTATION LLC | | | SCAC4 |
| 4549 | BGXO | BERGE TRANSPORT | | | SCAC4 |
| 4550 | BGXP | BIG G EXPRESS INC | | | SCAC4 |
| 4551 | BGXQ | BRIGHTLINE TRANSPORT INC | | | SCAC4 |
| 4552 | BGXS | BEEGOOD EXPRESS | | | SCAC4 |
| 4553 | BGXT | BIG TEX TRANSPORTATION INC | | | SCAC4 |
| 4554 | BGXU | GUANGXI XINGGUI SHIPPING CO., LTD. | | PRC | BIC |
| 4555 | BGY | Bingo Airways Sp. z o.o. | Callsign: Skimmer, Operations Commenced on 18 May 2012. Suspends operations June 2014 | PL | AVCODES |
| 4556 | BGYC | BLUE RIDGE LOGISTICS SYSTEMS LLC | | | SCAC4 |
| 4557 | BGYK | BAGLEY TRUCKING CO | | | SCAC3 |
| 4558 | BGYM | BROGGYS TRUCKING INC | | | SCAC3 |
| 4559 | BGYR | BIG SKY TRANSPORT, INC | | | SCAC3 |
| 4560 | BGYR | BIG SKY TRANSPORT INC | | | SCAC4 |
| 4561 | BGYT | BRUSSEAU, GARY TRUCKING | | | SCAC3 |
| 4562 | BGZT | BIG Z INC | | | SCAC3 |
| 4563 | BH | Hawkair Aviation Services Ltd. | IATA Designator BH* recalled | CDN | AVCODES |
| 4564 | BH | TEA Basel AG | ICAO: TSW, Callsign: Topswiss, Name changed to Easyjet Switzerland / ICAO designator changed to EZS. | CH | AVCODES |
| 4565 | BH | TEA Switzerland AG | ICAO: TSW, Callsign: Topswiss, Name Changed to TEA Basle. Established on 18 May 1988. Commenced operations on 23 March 1989. | CH | AVCODES |
| 4566 | BH | Transtate Airlines | Designator BH recalled by IATA | AUS | AVCODES |
| 4567 | BH | Easyjet Switzerland S.A. | ICAO: EZS, Callsign: Topswiss, IATA Designator BH* recalled. Name changed from TEA Basel AG | CH | AVCODES |
| 4568 | BH | Bahamasair Holdings Ltd. | ICAO: BHS, Callsign: Bahamas, Name changed to Bahamasair | BS | AVCODES |
| 4569 | BH | Bismillah Airlines Ltd. | ICAO: BML, Callsign: Bismillah, IATA Prefix: 256, Designator 5Z recalled by IATA | BD | AVCODES |
| 4570 | BH | Bath and Hammondsport R.R. Co. | 1/1975; added 7/1979; 1/1980; eliminated 10/1993; 1/1994 (not listed) | | NAKINA |
| 4571 | BH | B&H Rail Corp. | 7/2005 | | NAKINA |
| 4572 | BH | Bath and Hammondsport R.R. Co. | 1/75; added 7/79; 1/80; eliminated 10/93; 1/94 | | NRHS |
| 4573 | BH | *BATH & HAMMONDSPORT RAILROAD COMPANY (CEASED OPERATIONS 12-93) | | | PWRC |
| 4574 | BH | +B & H RAIL CORP. | | | PWRC |
| 4575 | BH | Bath and Hammondsport Railroad (B and H Rail Corporation) | | | RSRV |
| 4576 | BH | B & H RAIL CORP | | | SCAC4 |
| 4577 | BH | | City: Bad Homburg | D | TRAFFIC |
| 4578 | BHA | Buddha Air Pvt. Ltd. | IATA: U4, Callsign: Buddha Air, | NEP | AVCODES |
| 4579 | BHA | Brennan and Hargreaves, Inc. | Callsign: Brennan, | USA | AVCODES |
| 4580 | BHA | Buddha Air | | | ICAO1 |
| 4581 | BHAB | BOHN ALUMINUM & BRASS | | | SCAC3 |
| 4582 | BHAB | BHANGU BROS TRANSPORTATION LTD | | | SCAC4 |
| 4583 | BHAC | BLACKHAWK AIRWAYS INC | | | SCAC3 |
| 4584 | BHAC | BHULLAR TRANS INC | | | SCAC4 |
| 4585 | BHAG | BHA GROUP INC | | | SCAC3 |
| 4586 | BHAH | BECKER HAULING | | | SCAC4 |
| 4587 | BHAM | BURNINGHAM, EARL & SONS | | | SCAC3 |
| 4588 | BHAP | B H R TRANSPORTATION | | | SCAC4 |
| 4589 | BHAQ | BRAID LOGISTICS NORTH AMERICA INC | | | SCAC4 |
| 4590 | BHAR | BOSHART TRUCKING INC | | | SCAC3 |
| 4591 | BHAR | BOSHART TRUCKING INC | | | SCAC4 |
| 4592 | BHAS | BIBBS, HAROLD & SONS TRUCKING INC | | | SCAC3 |
| 4593 | BHAT | BRADCO KITCHEN & BATH | | | SCAC4 |
| 4594 | BHAW | B H LOGISTICS (BROKERAGE DIV OF BLA | | | SCAC4 |
| 4595 | BHAY | BROOKS, H AND COMPANY | | | SCAC4 |
| 4596 | BHBB | BUNKHOUSE BRAIDING | | | SCAC4 |
| 4597 | BHBL | BEEHIVE BUSINESS & LEISURE TRAVEL | | | SCAC3 |
| 4598 | BHBY | BASHORE, BARRY INC | | | SCAC3 |
| 4599 | BHBY | BASHORE, BARRY INC | | | SCAC4 |
| 4600 | BHBZ | BLACK HILLS BENTONITE | | | PWRC |
