| 1 | BW | BWIA West Indies Airways Limited | ICAO: BWA, Callsign: West Indian, IATA Prefix: 106, Ceased operations on 31 December 2006. Name changed from BWIA International Airways Limited | TT | AVCODES |
| 2 | BW | BWIA International Airways Limited | ICAO: BWA, Callsign: West Indian, IATA Prefix: 106, Name changed to BWIA West Indies Airways Limited | TT | AVCODES |
| 3 | BW | BWIA West Indies Airways Limited | ICAO: BWA, Callsign: West Indian, IATA Prefix: 106, Name changed to BWIA International Airways Limited | TT | AVCODES |
| 4 | BW | Caribbean Airlines Limited | ICAO: BWA, Callsign: Caribbean Airlines, IATA Prefix: 106, | TT | AVCODES |
| 5 | BW | Bundeswehr | | D | TRAFFIC |
| 6 | BW | Bundeswehr | | DE | VKM |
| 7 | BWA | BWIA West Indies Airways Limited | IATA: BW, Callsign: West Indian, IATA Prefix: 106, Ceased operations on 31 December 2006. Name changed from BWIA International Airways Limited | TT | AVCODES |
| 8 | BWA | BWIA International Airways Limited | IATA: BW, Callsign: West Indian, IATA Prefix: 106, Name changed to BWIA West Indies Airways Limited | TT | AVCODES |
| 9 | BWA | BWIA West Indies Airways Limited | IATA: BW, Callsign: West Indian, IATA Prefix: 106, Name changed to BWIA International Airways Limited | TT | AVCODES |
| 10 | BWA | Caribbean Airlines Limited | IATA: BW, Callsign: Caribbean Airlines, IATA Prefix: 106, | TT | AVCODES |
| 11 | BWA | Caribbean Airlines | IATA: BW | | ICAO1 |
| 12 | BWAA | BROWN, ANNA M TRUCKING COMPANY | | | SCAC3 |
| 13 | BWAC | BARWIL AGENCIES (N A) INC | | | SCAC4 |
| 14 | BWAE | BEST WAY EXPRESS INC | | | SCAC3 |
| 15 | BWAG | BARWIL AGENCIES INC | | | SCAC3 |
| 16 | BWAK | BRIDGES, WALT TRUCKING | | | SCAC3 |
| 17 | BWAK | BROWN, KEITH TRUCKING INC | | | SCAC4 |
| 18 | BWAL | BEARD, WALLACE M TRUCKING | | | SCAC3 |
| 19 | BWAL | BLUE WATER AGENCIES LIMITED | | | SCAC4 |
| 20 | BWAM | BAINTER, WAYNE AND MARVIN | | | SCAC3 |
| 21 | BWAO | BROWN, AUSTIN & SONS | | | SCAC3 |
| 22 | BWAP | BROWARD TRANSPORTS | | | SCAC3 |
| 23 | BWAP | BROWN, MIKE TRUCKING | | | SCAC4 |
| 24 | BWAQ | BROADWAY TRANSFER INC | | | SCAC3 |
| 25 | BWAQ | BLUE WATER TRANSPORTATION INC | | | SCAC4 |
| 26 | BWAS | BREWER & SONS INC | | | SCAC3 |
| 27 | BWAT | BINGHAMTON WAREHOUSE & TERMINAL, IN | | | SCAC3 |
| 28 | BWAT | B & W CHARTERS INC | | | SCAC4 |
| 29 | BWAV | BOWMAN AVIATION INC | | | SCAC3 |
| 30 | BWAW | BROWN, ALLEN WOODWASTE INC | | | SCAC3 |
| 31 | BWAY | BEST WAY DISTRIBUTION INC | | | SCAC4 |
| 32 | BWAY | Broadway IBOA | | USA | TRAFFIC |
| 33 | BWB | Brooker-Wheaton Aviation, Ltd. | Callsign: Brooker-Wheaton, | CDN | AVCODES |
| 34 | BWB | Buchhorster Waldbahn | | D | TRAFFIC |
| 35 | BWBB | BEST WAY TRANSFER INC | | | SCAC4 |
| 36 | BWBH | BEST WAREHOUSE | | | SCAC4 |
| 37 | BWBK | BEST WAYS BROKERAGE INC | | | SCAC3 |
| 38 | BWBL | BRIGHTWOOD BROKERS LLC | | | SCAC4 |
| 39 | BWBR | B W B TRUCKING | | | SCAC3 |
| 40 | BWBT | BROWN, BILL TRUCKING | | | SCAC3 |
| 41 | BWBW | BOWERS & BURROWS INC | | | SCAC4 |
| 42 | BWC | Consolidated Rail Corp. | added 4/1976; eliminated 10/1979; 1/1980-1/1994 | | NAKINA |
| 43 | BWC | Penn Central Transportation Co., Robert W. Blanchette, Richard C. Bond and John H. McArthur, Trustees | eliminated 4/1976 | | NAKINA |
| 44 | BWC | Penn Central Transportation Co. | 1/1975 | | NAKINA |
| 45 | BWC | Pennsylvania R.R. | 7/1965-10/1966 | | NAKINA |
| 46 | BWC | Pennsylvania R.R. | 7/65-10/66 | | NRHS |
| 47 | BWC | Penn Central Transportation Co. | Jan-75 | | NRHS |
| 48 | BWC | Penn Central Transportation Co., Robert W. Blanchette, Richard C. Bond and John H. McArthur, Trustees | eliminated 4/76 | | NRHS |
| 49 | BWC | Consolidated Rail Corp. | added 4/76; 1/80-1/94 | | NRHS |
| 50 | BWC | CONSOLIDATED RAIL CORP. [PENNSYLVANIA RAILROAD, PENN CENTRAL RAILROAD} | | | PWRC |
| 51 | BWC | BERWIND CORPORATION | | | PWRC |
| 52 | BWC | Berwind Corporation (Conrail) | | | RSRV |
| 53 | BWCA | BROWN, C H TRANSPORTATION INC | | | SCAC4 |
| 54 | BWCB | BLACK & WHITE CAB CO | | | SCAC3 |
| 55 | BWCB | BLACK & WHITE PACKAGE | | | SCAC4 |
| 56 | BWCC | BERWICK COOPERATIVE OIL COMPANY | | | SCAC4 |
| 57 | BWCD | BLACK & WHITE CAB COMPANY | | | SCAC3 |
| 58 | BWCD | BLACKWELL CONSOLIDATION LLC | | | SCAC4 |
| 59 | BWCE | BEST-WAY CARRIERS INC | | | SCAC3 |
| 60 | BWCE | BEST WAY CARGO EXPRESS INC | | | SCAC4 |
| 61 | BWCF | BORD, W C | | | SCAC3 |
| 62 | BWCG | BLUE WATER CARTAGE LEASING INC | | | SCAC3 |
| 63 | BWCH | BREWER, CHARLES M | | | SCAC3 |
| 64 | BWCH | BROWN, CHARLES V | | | SCAC4 |
| 65 | BWCI | BISCONTINI WAREHOUSE CO INC | | | SCAC3 |
| 66 | BWCI | BUDWAL CARRIER INC | | | SCAC4 |
| 67 | BWCJ | BWC TRUCKING | | | SCAC4 |
| 68 | BWCK | BROWN, C TRUCKING COMPANY INC | | | SCAC3 |
| 69 | BWCK | BROWN, C TRUCKING COMPANY INC | | | SCAC4 |
| 70 | BWCL | BESTWAY CARTAGE LIMITED | | | SCAC3 |
| 71 | BWCL | BESTWAY CARTAGE LIMITED | | | SCAC4 |
| 72 | BWCM | BLUE WHALE CORPORATION | | | SCAC4 |
| 73 | BWCMCo | BERWIND-WHITE COAL MINING CO. | | | PWRC |
| 74 | BWCMCo. | Berwind-White Coal Mining Co. —temporarily assigned expiring Jan. 1, 1939 | 7/1937-4/1938 | | NAKINA |
| 75 | BWCMCo. | Berwind-White Coal Mining Co. | 7/1935 | | NAKINA |
| 76 | BWCMCo. | Berwind-White Coal Mining Co. | Apr-38 | | NRHS |
| 77 | BWCN | BROWN TRUCKING | | | SCAC3 |
| 78 | BWCO | BUSHNELLS WAREHOUSING & TRUCKING CO | | | SCAC4 |
| 79 | BWCP | BROWN COMPANY | | | SCAC3 |
| 80 | BWCQ | BENDER WAREHOUSE COMPANY | | | SCAC3 |
| 81 | BWCQ | BWC TRUCKING CO INC | | | SCAC4 |
| 82 | BWCR | BROWN, CHARLES OIL COMPANY | | | SCAC3 |
| 83 | BWCR | BROWN, CHARLES OIL | | | SCAC4 |
| 84 | BWCS | BROWN, W C ENTERPRISES | | | SCAC3 |
| 85 | BWCT | BOWERS, CLAYTON TRUCKING | | | SCAC3 |
| 86 | BWCU | BAY LOGISTIK GMBH & CO KG | | D | BIC |
| 87 | BWCU | BAY LOGISTIK GMBH & CO | | | SCAC4 |
| 88 | BWCW | BIG WHEEL CONNECTION INC | | | SCAC4 |
| 89 | BWCX | G.E. Plastics | added 10/1989; 1/1994-7/2005; eliminated 4/2006 | | NAKINA |
| 90 | BWCX | Borg-Warner Chemicals | added 10/1979; 1/1980; eliminated 10/1989 | | NAKINA |
| 91 | BWCX | Berwind-White Coal Mining Co. (previously B.W.C.M.Co.) | added 11/1934; 7/1935-4/1961; eliminated 1/1964 | | NAKINA |
| 92 | BWCX | Berwind-White Coal Mining Co. | 4/38-4/61 | | NRHS |
| 93 | BWCX | Borg-Warner Chemicals | 1/80; eliminated 10/89 | | NRHS |
| 94 | BWCX | G.E. Plastics | added 10/89; 1/94-7/2000 | | NRHS |
| 95 | BWCX | *BERWIND-WHITE COAL MINING CO. | | | PWRC |
| 96 | BWCX | +G. E. PLASTICS [BORG-WARNER CHEMICALS] | | | PWRC |
| 97 | BWCX | Borg-Warner Chemicals (GE Plastics) | | | RSRV |
| 98 | BWCX | G E PLASTICS | | | SCAC4 |
| 99 | BWCX | Berwind-White Coal Mining Co. | | USA | TRAFFIC |
| 100 | BWCY | BLACK & WHITE CAB INC | | | SCAC3 |
