| 2101 | BCRX | General Electric Rail Services Corp. | added 1/2000; 7/2000 | | NRHS |
| 2102 | BCRX | *BUTLER COUNTY OIL REFINING CO. | | | PWRC |
| 2103 | BCRX | *CLOVERLAND DAIRY PRODUCTS CO., INC. [BROOKHAVEN CREAMERY CO., INC.] | | | PWRC |
| 2104 | BCRX | *BRAE TRANSPORTATION (BRAE CORP.) | | | PWRC |
| 2105 | BCRX | +(NATX) GENERAL ELECTRIC RAIL SERVICES CORPORATION | | | PWRC |
| 2106 | BCRX | Butler County Oil Refining (GE Rail Services Corporation) | | | RSRV |
| 2107 | BCRX | GENERAL ELECTRIC RAILCAR SERVICES C | | | SCAC4 |
| 2108 | BCRY | Cando Contracting Ltd., d/b/a Barrie-Collingwood Ry. | 7/2000-7/2005 | | NAKINA |
| 2109 | BCRY | Cando Contracting Ltd., d/b/a Barrie-Collingwood Ry. | Jul-00 | | NRHS |
| 2110 | BCRY | *BERKSHIRE SCENIC RAILWAY MUSEUM, INC. | | | PWRC |
| 2111 | BCRY | +CANDO CONTRACTING LIMITED [BARRIE-COLLINGWOOD RAILWAY] | | | PWRC |
| 2112 | BCRY | Barrie-Collingwood Railway | | | RSRV |
| 2113 | BCRY | BARRIE-COLLINGWOOD RAILWAY | | | SCAC4 |
| 2114 | BCS | European Air Transport | IATA: QY, Callsign: EuroTrans, IATA Prefix: 615, Incorporated by the European Air Transport Leipzig GmbH and merged with it 10 February2010. | B | AVCODES |
| 2115 | BCS | European Air Transport | IATA: BC, Callsign: Bravo Charlie, | B | AVCODES |
| 2116 | BCS | European Air Transport Leipzig GmbH | IATA: QY, Callsign: EuroTrans, IATA Prefix: 615, ICAO Callsign changed to Postman. Incorporated by the European Air Transport Leipzig GmbH and merged with it 10 Febraury 2010. | D | AVCODES |
| 2117 | BCS | European Air Transport Leipzig GmbH | IATA: QY, Callsign: Postman, IATA Prefix: 615, ICAO Callsign changed from EuroTrans. Incorporated by the European Air Transport Leipzig GmbH and merged with it 10 Febraury 2010. | D | AVCODES |
| 2118 | BCS | European Air Transport | IATA: QY | | ICAO1 |
| 2119 | BCS | Békéscsaba | | H | TRAFFIC |
| 2120 | BCSA | BABUYAN CARRRIERS, S.A. | | | SCAC3 |
| 2121 | BCSC | BORDERLINE CROSSER INC | | | SCAC4 |
| 2122 | BCSD | BUSLEASE CONTRACT SERVICES INC | | | SCAC3 |
| 2123 | BCSD | BOBS CUSTOM SADDLES INC | | | SCAC4 |
| 2124 | BCSE | BOSMAN CONSTRUCTION SUPPLIES | | | SCAC3 |
| 2125 | BCSE | BROCK, C S EXPORT INC | | | SCAC4 |
| 2126 | BCSF | B C SAFARIS LTD | | | SCAC4 |
| 2127 | BCSG | BRITISH COLUMBIA SHIPPING CORP LIB | | | SCAC3 |
| 2128 | BCSH | BACK COUNTRY SERVICES INC | | | SCAC4 |
| 2129 | BCSI | B-C SERVICES INC | | | SCAC3 |
| 2130 | BCSI | BORDER CARGO SERVICES INC | | | SCAC4 |
| 2131 | BCSJ | B C SONS TRUCKING INC | | | SCAC4 |
| 2132 | BCSK | BUCKSKIN TRUCKING | | | SCAC3 |
| 2133 | BCSL | BORG COMPRESSED STEEL CORPORATION | | | SCAC3 |
| 2134 | BCSL | BORG COMPRESSED STEEL CORPORATION | | | SCAC4 |
| 2135 | BCSM | B C SERVICE COMPANY | | | SCAC3 |
| 2136 | BCSN | BRANCACCIO & SON INC | | | SCAC3 |
| 2137 | BCSO | BRANDT CONSTRUCTION CO | | | SCAC3 |
| 2138 | BCSP | BASICS TRANSPORTATION INC (A CALIFO | | | SCAC3 |
| 2139 | BCSQ | BUCKS TRUCKING CO | | | SCAC3 |
| 2140 | BCSR | BCT SERVICES | | | SCAC3 |
| 2141 | BCSR | BRIDGE CENTRAL SERVICE & TOWING LTD | | | SCAC4 |
| 2142 | BCSS | BROWN & CROSS TRUCKING | | | SCAC3 |
| 2143 | BCSS | BORDER CROSS SOLUTIONS CO INC | | | SCAC4 |
| 2144 | BCSV | BULLIT COURIER SERVICE INC | | | SCAC3 |
| 2145 | BCSV | BELL CONTAINER SERVICE | | | SCAC4 |
| 2146 | BCSW | BLUE CLOUD SHIPPING & TRADING INC O | | | SCAC3 |
| 2147 | BCSW | B & C'S WHITE BULLS LOGISTICS LLC | | | SCAC4 |
| 2148 | BCSX | Buckeye Central Scenic R.R. | added 10/2003; eliminated 1/2004; 7/2005 (not listed) | | NAKINA |
| 2149 | BCSX | BUCKEYE CENTRAL SCENIC RAILROAD | | | PWRC |
| 2150 | BCSX | BUCKEYE CENTRAL SCENIC RAILROAD | | | SCAC4 |
| 2151 | BCSY | BCS TRANSPORTATION LLC | | | SCAC4 |
| 2152 | BCSZ | BUFFALO CRUSHED STONE | | | PWRC |
| 2153 | BCT | British Columbia Telephone Ltd. | Callsign: Telco, | CDN | AVCODES |
| 2154 | BCT | BCT Aviation | Callsign: Bobcat, | GB | AVCODES |
| 2155 | BCT | Bringer Air Cargo Taxi Aereo Ltda. | IATA: E6, IATA Prefix: 417, ICAO changed from BRC. | BR | AVCODES |
| 2156 | BCT | BCT Aviation | | | ICAO1 |
| 2157 | BCT | BAY CITY TAXI AND DELIVERY | | | SCAC4 |
| 2158 | BCT | Bureau of Transit Services (Vancouver BC) | | CDN | TRAFFIC |
| 2159 | BCTB | B AND C TRUCKING INC | | | SCAC4 |
| 2160 | BCTC | B C TRANSPORT | | | SCAC4 |
| 2161 | BCTC | Blackburn Corporation Tramways Company | | GB | TRAFFIC |
| 2162 | BCTD | BELL CITY TRANSPORT SYSTEMS INC | | | SCAC4 |
| 2163 | BCTE | BAY CITY TRUCKING INC | | | SCAC3 |
| 2164 | BCTE | BIG CITY TRANSPORT EXPRESS | | | SCAC4 |
| 2165 | BCTF | BLUE CONTINENT TRANSPORTATION LTD | | | SCAC4 |
| 2166 | BCTH | B & C TRUCKING | | | SCAC3 |
| 2167 | BCTI | B & C TRUCKING INC | | | SCAC3 |
| 2168 | BCTI | BCTB | | | SCAC4 |
| 2169 | BCTJ | B-C TRUCKING INC | | | SCAC3 |
| 2170 | BCTK | B & C TRUCKING | | | SCAC4 |
| 2171 | BCTL | BROWNS CROSS COUNTRY TRUCK LINE | | | SCAC3 |
| 2172 | BCTM | B C TRUCKING OF MARLETTE INC | | | SCAC4 |
| 2173 | BCTN | BOSTON CREEK TRANSPORT LTD | | | SCAC4 |
| 2174 | BCTO | BCT INC | | | SCAC3 |
| 2175 | BCTO | BCT INC | | | SCAC4 |
| 2176 | BCTP | BC TRANSPORTATION INC. | | | SCAC3 |
| 2177 | BCTP | B C TRANSPORTATION INC | | | SCAC4 |
| 2178 | BCTQ | BELL CARTAGE COMPANY | | | SCAC3 |
| 2179 | BCTR | B & C TRUCKING | | | SCAC4 |
| 2180 | BCTR | British Columbia Transit Co. | | CDN | TRAFFIC |
| 2181 | BCTRL | British Columbia Transitlink | | CDN | TRAFFIC |
| 2182 | BCTS | BIANCO, THOMAS S | | | SCAC3 |
| 2183 | BCTS | B & C TRANSPORT LLC | | | SCAC4 |
| 2184 | BCTU | TESTA TIZIANO | | I | BIC |
| 2185 | BCTU | BELGIAN CONTAINER & TRADING | | | SCAC3 |
| 2186 | BCTU | BELGIAN CONTAINER & TRADING CO | | | SCAC4 |
| 2187 | BCTW | BACCO TRANSIT COMPANY | | | SCAC3 |
| 2188 | BCTW | BROTHERS, CARIE TRUCKING INC | | | SCAC4 |
| 2189 | BCTX | Boise Cascade Corp. (Intra-Plant Service) | 1/1994 (not listed) | | NAKINA |
| 2190 | BCTX | The Blanton Co. | 7/1930-1/1945 | | NAKINA |
| 2191 | BCTX | Boise Cascade Corp. | added 10/1968; 4/1970; eliminated 4/1972 | | NAKINA |
| 2192 | BCTX | The Blanton Co. | Apr-38 | | NRHS |
| 2193 | BCTX | Boise Cascade Corp. | added 10/68; 4/70; eliminated 4/72 | | NRHS |
| 2194 | BCTX | Boise Cascade Corp. (Intra-Plant Service) | Jan-94 | | NRHS |
| 2195 | BCTX | *BLANTON CO. | | | PWRC |
| 2196 | BCTX | *BOISE CASCADE CORP. (INTRA-PLANT SERVICE) | | | PWRC |
| 2197 | BCTX | Boise Cascade Corporation | | | RSRV |
| 2198 | BCTY | BLUE CHIP TRANSPORTATION COMPANY | | | SCAC3 |
| 2199 | BCTZ | BOISE CASCADE CORPORATION | | | PWRC |
| 2200 | BCTZ | Boise Cascade Corporation | | | RSRV |
