| 5601 | BJTN | B J TRUCKING INC | | | SCAC3 |
| 5602 | BJTN | BOSSERT, JAMES TRUCKING | | | SCAC4 |
| 5603 | BJTO | BJ AUTO | | | SCAC4 |
| 5604 | BJTP | B J TRANSPORT INC | | | SCAC3 |
| 5605 | BJTP | B J TRANSPORT INC | | | SCAC4 |
| 5606 | BJTQ | BROTZMAN, JIM TRUCKING COMPANY | | | SCAC3 |
| 5607 | BJTQ | BROWN, J TRUCKING INC | | | SCAC4 |
| 5608 | BJTR | B J TRAILER REPAIR | | | SCAC4 |
| 5609 | BJTS | BARRY J TRANSPORTATION | | | SCAC3 |
| 5610 | BJTS | B J TRANSPORT | | | SCAC4 |
| 5611 | BJTV | B & J TRUCKING INC | | | SCAC3 |
| 5612 | BJTV | B & J TRUCKING INC | | | SCAC4 |
| 5613 | BJTW | BALLOR, JOE, TOWING INC | | | SCAC3 |
| 5614 | BJTW | BALLOR, JOE TOWING INC | | | SCAC4 |
| 5615 | BJU | Aerojet Airlines | Callsign: Jet Express, | UA | AVCODES |
| 5616 | BJUG | BJUGSTAD TRUCKING COMPANY INC | | | SCAC3 |
| 5617 | BJUK | B J TRUCKING CO | | | SCAC3 |
| 5618 | BJUT | BO-JU TRUCKING COMPANY | | | SCAC3 |
| 5619 | BJV | Beijing VistaJet Aviation Co., Ltd | Callsign: Beijing Vistajet, | PRC | AVCODES |
| 5620 | BJWA | BAJWA TRANSPORT INC | | | SCAC4 |
| 5621 | BJWC | B & J WELDING AND CONTRACTING INC | | | SCAC4 |
| 5622 | BJWI | BROHAWN, JAMES W INC | | | SCAC4 |
| 5623 | BJWO | BURNS, J W & SONS OIL CO | | | SCAC4 |
| 5624 | BJX | Blue Jet Airways Limited | Callsign: Blue Flight, | SSD | AVCODES |
| 5625 | BJX | Butterworth-Judson Corp. | 8/1920-7/1923 | | NAKINA |
| 5626 | BJX | BUTTERWORTH-JUDSON CORP. | | | PWRC |
| 5627 | BJXC | B J EXPRESS CO | | | SCAC4 |
| 5628 | BJXI | BLACKJACK EXPRESS INC | | | SCAC3 |
| 5629 | BJXI | BLACKJACK EXPRESS INC | | | SCAC4 |
| 5630 | BJXL | BAJA EXPRESS LOGISTICS INC | | | SCAC4 |
| 5631 | BJXP | BLACK JACK EXPRESS | | | SCAC3 |
| 5632 | BJXS | BAJA TRANSPORT & CUSTOM | | | SCAC4 |
| 5633 | BJYE | BJY ENTERPRISES INC | | | SCAC3 |
| 5634 | BJYS | BEATY, JERRY S TRUCKING | | | SCAC3 |
| 5635 | BJZR | BJZ TRANSPORT LLC | | | SCAC4 |
| 5636 | BK | Potomac Air, Inc. | ICAO: PDC, Callsign: District, IATA Prefix: 522, Formed out of merger of United Air Lines and US Airways | USA | AVCODES |
| 5637 | BK | Paradise Island Airlines, Inc. d/b/a Paradise Airlines | Name changed from Paradise Island Airlines, Inc. | USA | AVCODES |
| 5638 | BK | Transpolar A/S | Callsign: Trapo, | N | AVCODES |
| 5639 | BK | Israel Aircraft Industries Ltd. | ICAO: IAI, Callsign: Bravo Kilo, Designator BK recalled by IATA. ICAO callsign changed to Israel Aircraft | IL | AVCODES |
| 5640 | BK | Okay Airways Company Limited | ICAO: OKA, Callsign: Okayjet, IATA Prefix: 866, Designator BK* reinstated by IATA | PRC | AVCODES |
| 5641 | BK | Borkumer Kleinbahn und Dampfschifffahrt GmbH | Borkum | D | privat-bahn.de |
| 5642 | BK | SHOWA LINE, LTD. | | | PWRC |
| 5643 | BK | BK Tåg AB | 1989 - 2005 | S | svenska-lok.se |
| 5644 | BK | BK Tåg AB | 1989 - 2005 | S | TRAFFIC |
| 5645 | BKA | Bankair, Inc. | IATA: B4, Callsign: Bankair, Designator B4* recalled by IATA | USA | AVCODES |
| 5646 | BKA | Bankair, Inc. | Callsign: Bankair, Designator B4* recalled by IATA | USA | AVCODES |
| 5647 | BKA | Bankair | IATA: B4 | | ICAO1 |
| 5648 | BKAB | BARKER, ALBERT | | | SCAC3 |
| 5649 | BKAC | BEKA TRANSPORT CORP | | | SCAC3 |
| 5650 | BKAC | BREAKAWA | | | SCAC4 |
| 5651 | BKAD | BLACK KNIGHT TRUCKING INC | | | SCAC4 |
| 5652 | BKAE | BOOKERS AIR CARGO EXPRESS | | | SCAC3 |
| 5653 | BKAE | BANNER DOORS CORP OF NEW YORK | | | SCAC4 |
| 5654 | BKAF | BANKS, GEORGE TRUCKING | | | SCAC4 |
| 5655 | BKAI | BANKAIR INC | | | SCAC3 |
| 5656 | BKAI | BAKER, AL & SON TRUCKING INC | | | SCAC4 |
| 5657 | BKAK | BLAKE AGRI TRANSFER INC | | | SCAC4 |
| 5658 | BKAL | BERKELEY ASPHALT CO | | | SCAC3 |
| 5659 | BKAL | BUSH TRUCKING LLC | | | SCAC4 |
| 5660 | BKAM | BULKAMERICA CORP. | | | SCAC3 |
| 5661 | BKAN | B K & N INC | | | SCAC3 |
| 5662 | BKAN | BRICKER TRANSPORT | | | SCAC4 |
| 5663 | BKAP | BREMERTON KITSAP AIRPORTER INC | | | SCAC3 |
| 5664 | BKAQ | BLAKE, THOMAS TRUCKING | | | SCAC4 |
| 5665 | BKAR | BROCKTON AREA TRANSIT AUTHORITY | | | SCAC3 |
| 5666 | BKAR | BINGHAMTON TRUCK & TIRE CENTER LLC | | | SCAC4 |
| 5667 | BKAS | BUCKEYE AIR SERVICE INC | | | SCAC3 |
| 5668 | BKAT | BROOKS FURNITURE XPRESS INC | | | SCAC4 |
| 5669 | BKAW | BREAKAWAY | | | SCAC3 |
| 5670 | BKB | State Of West Virginia, Aviation Division | Callsign: Black Bear, | USA | AVCODES |
| 5671 | BKBC | BLACKBURN CARTAGE INC | | | SCAC3 |
| 5672 | BKBC | BANKS BROKERAGE CO INC | | | SCAC4 |
| 5673 | BKBE | BUCKBOARD EXPRESS | | | SCAC3 |
| 5674 | BKBG | BKB TRUCKING LLC | | | SCAC4 |
| 5675 | BKBI | BLACKBURNS TRANSFER & STORAGE INC | | | SCAC3 |
| 5676 | BKBJ | BACK-TO-BACK TRUCKING LLC | | | SCAC4 |
| 5677 | BKBK | BAKER & BAKER TRUCKING INC | | | SCAC3 |
| 5678 | BKBK | BAKER, PETER E ANTIQUES | | | SCAC4 |
| 5679 | BKBL | BONNY-KAY BUS LINES INC | | | SCAC3 |
| 5680 | BKBL | BACK IN BLACK INC | | | SCAC4 |
| 5681 | BKBN | BANNOCKBURN EXPRESS INC | | | SCAC4 |
| 5682 | BKBO | BAKER BROTHERS TRUCKING COMPANY | | | SCAC3 |
| 5683 | BKBP | BLACKBURN OIL COMPANY LLC | | | SCAC4 |
| 5684 | BKBQ | BROCKHOUSE BROTHERS CORP | | | SCAC3 |
| 5685 | BKBR | BAKER BROTHERS TRUCKING | | | SCAC3 |
| 5686 | BKBS | BRAKEBUSH TRANSPORTATION INC | | | SCAC3 |
| 5687 | BKBS | BRAKEBUS | | | SCAC4 |
| 5688 | BKBT | BLACKSBURG TRANSFER & STORAGE INC | | | SCAC3 |
| 5689 | BKBT | BECK BULK TRANSPORT LLC | | | SCAC4 |
| 5690 | BKBU | L&T C.V. | | NL | BIC |
| 5691 | BKBU | BROEKEMA BULK BV | | | SCAC4 |
| 5692 | BKBV | BANNOCKBURN SERVICES INC | | | SCAC4 |
| 5693 | BKBY | BARK BOYS INC | | | SCAC3 |
| 5694 | BKCA | BANKSTON, C A TRUCKING CO | | | SCAC3 |
| 5695 | BKCB | BERKSHIRE CABULANCE INC | | | SCAC3 |
| 5696 | BKCC | BULK CARRIER SERVICES INC | | | SCAC4 |
| 5697 | BKCD | BUCKBOARD CARRIERS INC | | | SCAC3 |
| 5698 | BKCD | BULK OR LIQUID TRANSPORT LLC | | | SCAC4 |
| 5699 | BKCE | BRAKE, CHARLES E CO INC | | | SCAC3 |
| 5700 | BKCF | BEKINS CENTURY FORWARDING INC | | | SCAC3 |
