| 1 | BCT | British Columbia Telephone Ltd. | Callsign: Telco, | CDN | AVCODES |
| 2 | BCT | BCT Aviation | Callsign: Bobcat, | GB | AVCODES |
| 3 | BCT | Bringer Air Cargo Taxi Aereo Ltda. | IATA: E6, IATA Prefix: 417, ICAO changed from BRC. | BR | AVCODES |
| 4 | BCT | BCT Aviation | | | ICAO1 |
| 5 | BCT | BAY CITY TAXI AND DELIVERY | | | SCAC4 |
| 6 | BCT | Bureau of Transit Services (Vancouver BC) | | CDN | TRAFFIC |
| 7 | BCTB | B AND C TRUCKING INC | | | SCAC4 |
| 8 | BCTC | B C TRANSPORT | | | SCAC4 |
| 9 | BCTC | Blackburn Corporation Tramways Company | | GB | TRAFFIC |
| 10 | BCTD | BELL CITY TRANSPORT SYSTEMS INC | | | SCAC4 |
| 11 | BCTE | BAY CITY TRUCKING INC | | | SCAC3 |
| 12 | BCTE | BIG CITY TRANSPORT EXPRESS | | | SCAC4 |
| 13 | BCTF | BLUE CONTINENT TRANSPORTATION LTD | | | SCAC4 |
| 14 | BCTH | B & C TRUCKING | | | SCAC3 |
| 15 | BCTI | B & C TRUCKING INC | | | SCAC3 |
| 16 | BCTI | BCTB | | | SCAC4 |
| 17 | BCTJ | B-C TRUCKING INC | | | SCAC3 |
| 18 | BCTK | B & C TRUCKING | | | SCAC4 |
| 19 | BCTL | BROWNS CROSS COUNTRY TRUCK LINE | | | SCAC3 |
| 20 | BCTM | B C TRUCKING OF MARLETTE INC | | | SCAC4 |
| 21 | BCTN | BOSTON CREEK TRANSPORT LTD | | | SCAC4 |
| 22 | BCTO | BCT INC | | | SCAC3 |
| 23 | BCTO | BCT INC | | | SCAC4 |
| 24 | BCTP | BC TRANSPORTATION INC. | | | SCAC3 |
| 25 | BCTP | B C TRANSPORTATION INC | | | SCAC4 |
| 26 | BCTQ | BELL CARTAGE COMPANY | | | SCAC3 |
| 27 | BCTR | B & C TRUCKING | | | SCAC4 |
| 28 | BCTR | British Columbia Transit Co. | | CDN | TRAFFIC |
| 29 | BCTRL | British Columbia Translink | | CDN | TRAFFIC |
| 30 | BCTS | BIANCO, THOMAS S | | | SCAC3 |
| 31 | BCTS | B & C TRANSPORT LLC | | | SCAC4 |
| 32 | BCTU | TESTA TIZIANO | | I | BIC |
| 33 | BCTU | BELGIAN CONTAINER & TRADING | | | SCAC3 |
| 34 | BCTU | BELGIAN CONTAINER & TRADING CO | | | SCAC4 |
| 35 | BCTW | BACCO TRANSIT COMPANY | | | SCAC3 |
| 36 | BCTW | BROTHERS, CARIE TRUCKING INC | | | SCAC4 |
| 37 | BCTX | Boise Cascade Corp. (Intra-Plant Service) | 1/1994 (not listed) | | NAKINA |
| 38 | BCTX | The Blanton Co. | 7/1930-1/1945 | | NAKINA |
| 39 | BCTX | Boise Cascade Corp. | added 10/1968; 4/1970; eliminated 4/1972 | | NAKINA |
| 40 | BCTX | The Blanton Co. | Apr-38 | | NRHS |
| 41 | BCTX | Boise Cascade Corp. | added 10/68; 4/70; eliminated 4/72 | | NRHS |
| 42 | BCTX | Boise Cascade Corp. (Intra-Plant Service) | Jan-94 | | NRHS |
| 43 | BCTX | *BLANTON CO. | | | PWRC |
| 44 | BCTX | *BOISE CASCADE CORP. (INTRA-PLANT SERVICE) | | | PWRC |
| 45 | BCTX | Boise Cascade Corporation | | | RSRV |
| 46 | BCTY | BLUE CHIP TRANSPORTATION COMPANY | | | SCAC3 |
| 47 | BCTZ | BOISE CASCADE CORPORATION | | | PWRC |
| 48 | BCTZ | Boise Cascade Corporation | | | RSRV |
| 49 | BCTZ | BOISE CASCADE CORPORATION | | | SCAC4 |
