| 1 | BX | Coast Air K.S. | ICAO: CST, Callsign: Coast Center, IATA Prefix: 970, ICAO callsign changed to Coast Air | N | AVCODES |
| 2 | BX | Compania "SPANTAX" (Servicios Y Transportes Aereos Air Charter) | ICAO: BXS, Callsign: Spantax, Ceased operations | E | AVCODES |
| 3 | BX | Mercury Air Cargo, Inc. | ICAO: MEC, Callsign: Mercair, IATA designator changed to 4X | USA | AVCODES |
| 4 | BX | Coast Air K.S. | ICAO: CST, Callsign: Coast Air, IATA Prefix: 970, Filed for bankruptcy on 23 January 2008. ICAO callsign changed from Coast Center | N | AVCODES |
| 5 | BX | Air Busan | ICAO: ABL, Callsign: Air Busan, IATA Prefix: 982, Low cost subsidiary of Asiana Airlines | ROK | AVCODES |
| 6 | BX | Brewerton Coal Co. | 7/1923 | | NAKINA |
| 7 | BX | BREWERTON COAL CO. | | | PWRC |
| 8 | BX | BeNEX GmbH | | DE | VKM |
| 9 | BXA | Bahrain Executive Air Services Co. (Bexair) | Callsign: Bexair, | BRN | AVCODES |
| 10 | BXA | Burrard Air (1989) Ltd. | IATA: 6E, Callsign: Burrard, | CDN | AVCODES |
| 11 | BXA | Burrard Air | Callsign: Burrard, Ceased operations | CDN | AVCODES |
| 12 | BXA | Bahrain Executive Air Services | | | ICAO1 |
| 13 | BXAU | BOXA SHIPPING LIMITED | | CAY | BIC |
| 14 | BXBC | BULUSA EXPRESS | | | SCAC4 |
| 15 | BXBG | BETTS TEXACO AND B & G GLASS INC | | | SCAC4 |
| 16 | BXBO | BARGAIN BOXES | | | SCAC4 |
| 17 | BXBX | BXB Corp. | added 10/1996; eliminated 4/1997; added 7/1997; eliminated 10/1997; 7/2000-7/2005 (not listed) | | NAKINA |
| 18 | BXBX | BXB Corp. | added 10/96; eliminated 4/97; added 7/97; eliminated 10/97; 7/2000 | | NRHS |
| 19 | BXBX | BXB CORPORATION | | | PWRC |
| 20 | BXBX | BXB Corporation | | | RSRV |
| 21 | BXBY | BFT INC | | | SCAC4 |
| 22 | BXCI | BXC INC | | | SCAC4 |
| 23 | BXCN | BOX CONSOLIDATORS (USA) INC N J | | | SCAC3 |
| 24 | BXCN | B X INC | | | SCAC4 |
| 25 | BXCO | BAXTER TRUCKING CORP | | | SCAC3 |
| 26 | BXCO | BLUELINX CORPORATION | | | SCAC4 |
| 27 | BXCP | BEL-TRANS COMPANY | | | SCAC4 |
| 28 | BXCU | BOXCON IN SWEDEN AB | | | SCAC4 |
| 29 | BXDL | BEXAR DISTRIBUTING & LEASING INC | | | SCAC3 |
| 30 | BXDL | BUCK EXPERT | | | SCAC4 |
| 31 | BXDQ | BUFFALO EXPRESS DELIVERY SERVICE | | | SCAC3 |
| 32 | BXER | BAXTER, E R INC | | | SCAC3 |
| 33 | BXES | BOLT EXPRESS TRUCKLOAD LLC | | | SCAC4 |
| 34 | BXFA | BEAUCAUXE FARMS | | | SCAC4 |
| 35 | BXFV | BORDER TRANSLOAD AND FREIGHT SERVIC | | | SCAC4 |
| 36 | BXGC | BONDEX LOGISTICS CO LTD | | | SCAC4 |
| 37 | BXGI | B R X | | | SCAC4 |
| 38 | BXGL | BAXGLOBAL | | | SCAC3 |
| 39 | BXGL | BAX GLOBAL | | | SCAC4 |
| 40 | BXH | Bar XH Air, Inc. | Callsign: Palliser, | CDN | AVCODES |
| 41 | BXH | British Independent Airways Ltd. | IATA: RX, Callsign: Independent, | GB | AVCODES |
| 42 | BXH | Bar XH Air | | | ICAO1 |
| 43 | BXI | Brussels International Airways | Callsign: Xenia, Ceased operations on 13 February 2001. | B | AVCODES |
| 44 | BXI | Brussels International Airlines | | | ICAO1 |
| 45 | BXIN | BALTEX INC | | | SCAC4 |
| 46 | BXIT | BILOXI TRANSFER & STORAGE CO INC | | | SCAC4 |
| 47 | BXIU | BOXIT | | DK | BIC |
| 48 | BXJ | Brixtel Group, Inc. | Callsign: Brixtel Jet, | USA | AVCODES |
| 49 | BXL | Air Exel Belgique | Callsign: Exel Commuter, | B | AVCODES |
| 50 | BXL | Dutch Eagle Express N.V. | IATA: 9H, Name changed to Dutch Antilles Express | NA | AVCODES |
| 51 | BXL | Dutch Eagle Express N.V. (BonairExel) | IATA: 9H, Callsign: Bonexel, | NA | AVCODES |
| 52 | BXL | Bonaire Express t/a BonairExel | IATA: 9H, Callsign: Bonaire Express, Commenced operations on 18 August 2003. Name changed to Bonaire Express t/a BonairExpress. | NA | AVCODES |
| 53 | BXL | Bonaire Express t/a BonairExpress | IATA: 9H, Callsign: Bonaire Express, Merged with Cura�ao Express to form Dutch Antilles Express on 30 April 2005. | NA | AVCODES |
| 54 | BXLC | BEELINE EXPRESS LLC | | | SCAC4 |
| 55 | BXLI | BRAND-X LTD INC | | | SCAC4 |
| 56 | BXLQ | BEACON TRANSIT LINES INC | | | SCAC4 |
| 57 | BXLU | SICOM S.P.A | | I | BIC |
| 58 | BXMC | BRIX MARITIME CO | | | SCAC3 |
| 59 | BXMT | BRIX MARITIME TOWING INC | | | SCAC3 |
| 60 | BXN | Bauxite & Northern Ry. Co. | 1/1975-1/1994; eliminated 10/1996; 7/2000-7/2005 | | NAKINA |
| 61 | BXN | Bauxite & Northern Ry. Co. | 1/75-1/94; eliminated 10/96; 7/2000 | | NRHS |
| 62 | BXN | BAUXITE & NORTHERN RAILWAY CO. | | | PWRC |
| 63 | BXN | Bauxite and Northern Railway | | | RSRV |
| 64 | BXNI | BUTTON TRANSPORTATION INC | | | SCAC4 |
| 65 | BXNO | BEL TRANS CO | | | SCAC4 |
| 66 | BXNR | BUXTON, R TRANSPORT INC | | | SCAC4 |
| 67 | BXNT | BOOTS TRANSPORTATION | | | SCAC4 |
| 68 | BXNU | BOXMAN ALPHA LTD | | NZ | BIC |
| 69 | BXOU | STORAGE RENTAL GMBH | | D | BIC |
| 70 | BXPA | BARBWIRE XPRESS | | | SCAC4 |
| 71 | BXPC | BONAO XPRESS CORP | | | SCAC4 |
| 72 | BXPE | BOLT EXPRESS LLC | | | SCAC4 |
| 73 | BXPH | BEST EXPRESS, THE | | | SCAC4 |
| 74 | BXPI | BERLINE EXPRESS INC | | | SCAC3 |
| 75 | BXPL | BESTWAY EXPRESS, LTD | | | SCAC3 |
| 76 | BXPL | BLOOMSDALE EXPRESS INC | | | SCAC4 |
| 77 | BXPM | BEST EXPRESS LLC | | | SCAC4 |
| 78 | BXPN | BLOSSOM EXPRESS INC | | | SCAC3 |
| 79 | BXPN | BORDER EXPRESS SERVICES LTD | | | SCAC4 |
| 80 | BXPQ | BERGMAN EXPRESS & STORAGE COMPANY | | | SCAC3 |
| 81 | BXPR | BEAM EXPRESS INC | | | SCAC3 |
| 82 | BXPT | BEST EXPRESS LLC, THE | | | SCAC4 |
| 83 | BXR | Redding Aero Enterprises, Inc. | Callsign: Boxer, | USA | AVCODES |
| 84 | BXR | Redding Aero Enterprises | | | ICAO1 |
| 85 | BXRQ | BEXAR MOVING SERVICE INC | | | SCAC3 |
| 86 | BXRU | TITAN CONTAINERS A/S | | DK | BIC |
| 87 | BXRU | BOXTAINER | | | SCAC4 |
| 88 | BXS | Compania "SPANTAX" (Servicios Y Transportes Aereos Air Charter) | IATA: BX, Callsign: Spantax, Ceased operations | E | AVCODES |
| 89 | BXS | Spantax S.A. | Spantax S.A. was a Spanish leisure airline headquartered in Madrid that operated from 1959 to 1988. | E | TRAFFIC |
| 90 | BXSA | BOXRAINE S A HONG KONG | | | SCAC3 |
| 91 | BXSH | BAXTER, SHELDON | | | SCAC3 |
| 92 | BXSU | BLUE EXPRESS (SHANGHAI) INTL FREIGHT FORWARDING CO.LTD | | PRC | BIC |
| 93 | BXTC | BLUECOAST EXPRESS TRANSPORTATION IN | | | SCAC4 |
| 94 | BXTG | BOXER TRUCKING LLC | | | SCAC4 |
| 95 | BXTI | BYRNES EXPRESS & TRUCKING CO INC | | | SCAC3 |
| 96 | BXTI | BAXTER CREEK TOOLS CO INC | | | SCAC4 |
| 97 | BXTL | BAXTER TRUCKING LLC | | | SCAC4 |
| 98 | BXTM | BORDERLINE TRANSPORTES | | | SCAC4 |
| 99 | BXTN | BUXTON TRUCKING CO | | | SCAC3 |
| 100 | BXTR | BAXTER TRANSPORTATION SERVICES INC | | | SCAC3 |
