| 11501 | BTHL | BOOTHEEL TRANSPORT | | | SCAC4 |
| 11502 | BTHM | BROWN THE MOVER | | | SCAC3 |
| 11503 | BTHN | BLUE THUNDER TRUCK BROKERAGE INC | | | SCAC4 |
| 11504 | BTHO | BETHEL TOWING | | | SCAC3 |
| 11505 | BTHP | BARNARD TRANSPORTATION | | | SCAC3 |
| 11506 | BTHP | BRITTON TRUCKING INC | | | SCAC4 |
| 11507 | BTHR | BETHEL TRUCK SERVICE INC | | | SCAC3 |
| 11508 | BTHR | BETHEL TRUCK SERVICE INC | | | SCAC4 |
| 11509 | BTHS | BETHERS RAY | | | SCAC3 |
| 11510 | BTHT | BARRETT MOBILE HOMES TRANSPORT INC | | | SCAC3 |
| 11511 | BTHV | BERNDT TRUCKING INC | | | SCAC4 |
| 11512 | BTI | Air Baltic Corporation S/A | IATA: BT, Callsign: Airbaltic, IATA Prefix: 657, | LV | AVCODES |
| 11513 | BTI | Air Baltic | IATA: BT | | ICAO1 |
| 11514 | BTI | Biel-Täuffelen-Ins-Bahn | | CH | TRAFFIC |
| 11515 | BTIB | BRYANT OIL COMPANY INC | | | SCAC4 |
| 11516 | BTIC | BOWLUS TRUCKING CO INC | | | SCAC3 |
| 11517 | BTIC | BOWLUS TRUCKING LLC | | | SCAC4 |
| 11518 | BTID | BOOTS TRANSPORT INC | | | SCAC3 |
| 11519 | BTID | BILTRITE INDUSTRIES | | | SCAC4 |
| 11520 | BTIE | BRASHER TRUCKING CO | | | SCAC3 |
| 11521 | BTIE | BARTON, K L & SONS TIE CO | | | SCAC4 |
| 11522 | BTIF | BURST TRUCKING INC | | | SCAC3 |
| 11523 | BTIF | BEST TRUCKS INC, THE | | | SCAC4 |
| 11524 | BTIG | BAT TRUCKING INC | | | SCAC3 |
| 11525 | BTIG | BINDE TRUCKING INC | | | SCAC4 |
| 11526 | BTII | BISHOP TRUCKING INC | | | SCAC3 |
| 11527 | BTIJ | BRADWAY TRUCKING | | | SCAC3 |
| 11528 | BTIJ | BRADWAY TRUCKING INC | | | SCAC4 |
| 11529 | BTIK | BASIN TRANSPORTATION NC | | | SCAC3 |
| 11530 | BTIK | BENNETT TRUCKING INC | | | SCAC4 |
| 11531 | BTIL | BETA INTERNATIONAL | | | SCAC3 |
| 11532 | BTIL | BALL TRANSPORTATION INC | | | SCAC4 |
| 11533 | BTIM | BALTIMORE INTERNATIONAL TRANSPORT I | | | SCAC3 |
| 11534 | BTIN | BROOK TRANSPORTATION INC | | | SCAC3 |
| 11535 | BTIN | BURTEC INSTRUMENT INC | | | SCAC4 |
| 11536 | BTIO | BURT TRANSPORT INC | | | SCAC3 |
| 11537 | BTIO | BTI LOGISTICS INC | | | SCAC4 |
| 11538 | BTIQ | BRENNAN TRANSPORTATION SERVICE INC | | | SCAC3 |
| 11539 | BTIR | BARTON TRUCKING INC | | | SCAC3 |
| 11540 | BTIR | BARNES TRANSPORTS INC | | | SCAC4 |
| 11541 | BTIS | BATISTE TRUCKING CO | | | SCAC3 |
| 11542 | BTIS | BELL TIRE STORES | | | SCAC4 |
| 11543 | BTIT | BLUE TRANSIT INC | | | SCAC3 |
| 11544 | BTIT | BABEN TASIMACILIK INSAAT TAAHHUT VE | | | SCAC4 |
| 11545 | BTITA | Bombardier Transportation Italy S.p.A. Unipersonale | | IT | VKM |
| 11546 | BTIU | BISON TRANSPORT INC | | | SCAC4 |
| 11547 | BTIV | BRAY TRUCKING INC | | | SCAC3 |
| 11548 | BTIW | BARRY TRANSPORT INC | | | SCAC3 |
| 11549 | BTIY | B T I TRUCKING (A DIV OF BRKO) | | | SCAC3 |
| 11550 | BTIZ | BISON TRANSPORT INC | | | SCAC4 |
| 11551 | BTJB | BEAN TRAIN LTD | | | SCAC4 |
| 11552 | BTJE | BAHIA TRANSPORT INC | | | SCAC4 |
| 11553 | BTJG | BRADCO TRANSPORTATION SERVICES INC | | | SCAC4 |
| 11554 | BTJK | BTJ TRUCKING INC | | | SCAC4 |
| 11555 | BTJL | BURRILL TRANSPORT LTD | | | SCAC3 |
| 11556 | BTJN | BALL TRANSPORTATION & EXCAVATING | | | SCAC4 |
| 11557 | BTJO | BARBARA TRUCK LLC | | | SCAC4 |
| 11558 | BTJP | BRENNAN TRANSPORTATION SERVICES (LT | | | SCAC4 |
| 11559 | BTJQ | BURT, A J | | | SCAC3 |
| 11560 | BTJR | BOLDUC, TOMMY ROCKY | | | SCAC4 |
| 11561 | BTJS | BOBS TRUCKING SERVICE | | | SCAC3 |
| 11562 | BTJT | BACHMAN, TIM JR TRUCKING | | | SCAC3 |
| 11563 | BTJV | BROTHERS TRANSPORTATION LLC | | | SCAC4 |
| 11564 | BTJW | BACROW TRANSPORT INC | | | SCAC4 |
| 11565 | BTK | Bratsk Air Enterprise | Callsign: Bratsk Air, | RUS | AVCODES |
| 11566 | BTK | PT. Batik Air Indonesia d/b/a Batik Air | IATA: ID, Callsign: Batik, Founded in 2013 Commenced operations on 03 May 2013. | RI | AVCODES |
| 11567 | BTK | Baltyka | | | ICAO1 |
| 11568 | BTK | Bombardier Transportion GmbH | | DE | VKM |
| 11569 | BTKA | B T TRUCKING COMPANY | | | SCAC3 |
| 11570 | BTKB | BERT TRUCKING INC | | | SCAC3 |
| 11571 | BTKC | BRANT TRUCK (2003) CORP | | | SCAC4 |
| 11572 | BTKD | BURTON TRUCKING | | | SCAC3 |
| 11573 | BTKE | B & T TRUCKING | | | SCAC4 |
| 11574 | BTKF | BARTON TRUCKING | | | SCAC3 |
| 11575 | BTKF | BECKSTEAD TRUCKING LLC | | | SCAC4 |
| 11576 | BTKG | BUDS TRUCKING | | | SCAC3 |
| 11577 | BTKG | BOOTH TRUCKING INC | | | SCAC4 |
| 11578 | BTKH | BRILLIANT TRUCKING CORP | | | SCAC4 |
| 11579 | BTKI | BERNARD TRUCKING | | | SCAC3 |
| 11580 | BTKI | BUCK TRUCKING INC | | | SCAC4 |
| 11581 | BTKJ | BROOKS TRUCKING | | | SCAC3 |
| 11582 | BTKJ | BENSON TANK LINES USA INC | | | SCAC4 |
| 11583 | BTKK | BAKKES TRUCKING LTD | | | SCAC4 |
| 11584 | BTKL | BELL TRUCK LINE | | | SCAC3 |
| 11585 | BTKL | BERTETTA TANK LINES INC | | | SCAC4 |
| 11586 | BTKM | BROOKS TRUCKING INC | | | SCAC3 |
| 11587 | BTKM | BEKINS NORTHWEST-TACOMA | | | SCAC4 |
| 11588 | BTKN | BEETER TRUCKING INC | | | SCAC4 |
| 11589 | BTKP | BALSTER TRUCK SERVICE, INC | | | SCAC3 |
| 11590 | BTKP | BERK TRUCKING CORP | | | SCAC4 |
| 11591 | BTKQ | BURGE TRUCKING SERVICE | | | SCAC3 |
| 11592 | BTKR | BACKNINE TRUCKING | | | SCAC4 |
| 11593 | BTKS | BOBS TRUCK SERVICE INC | | | SCAC3 |
| 11594 | BTKV | BULLER TRUCKS | | | SCAC3 |
| 11595 | BTKY | BROADWAY TRUCKING COMPANY | | | SCAC3 |
| 11596 | BTKY | BULLET TRUCKING INC | | | SCAC4 |
| 11597 | BTL | Baltia Air Lines, Inc. | Callsign: Baltia Flight, ICAO callsign changed to Baltia. | USA | AVCODES |
| 11598 | BTL | Baltia Air Lines, Inc. | Callsign: Baltia, ICAO callsign changed from Baltia Flight. | USA | AVCODES |
| 11599 | BTL | Baltia Air Lines | | | ICAO1 |
| 11600 | BTLA | BITOLA TRANSPORT LLC | | | SCAC4 |
