| 1 | BTP | Veritair Ltd. | Callsign: Net Rail, Merged into British International Helicopters. | GB | AVCODES |
| 2 | BTP | Kingcrete Associates Pvt. Ltd. | Callsign: Bahria Town, | PK | AVCODES |
| 3 | BTP | Veritair Ltd | | | ICAO1 |
| 4 | BTPA | BTI TRANSPORTATION INC | | | SCAC3 |
| 5 | BTPB | BROWN TRANSPORTATION SOLUTIONS INC | | | SCAC4 |
| 6 | BTPC | BEER TRANSPORTATION COMPANY | | | SCAC3 |
| 7 | BTPD | BEI TRANSPORT CANADA INC | | | SCAC4 |
| 8 | BTPE | BAUTISTA PEDRAZA, INDALEICIO | | | SCAC4 |
| 9 | BTPF | BRENNTAG PACIFIC INC | | | SCAC4 |
| 10 | BTPG | BELLE SPRINGS TRANSPORT INC | | | SCAC4 |
| 11 | BTPH | BUTCH THOMPSON ENTERPRISES INC | | | SCAC4 |
| 12 | BTPI | BTS INC | | | SCAC3 |
| 13 | BTPJ | BURKEY TRANSPORT | | | SCAC3 |
| 14 | BTPK | BAG TEX PACKAGING INC | | | SCAC4 |
| 15 | BTPN | BLANCHETTE TRANSPORT INC | | | SCAC4 |
| 16 | BTPO | BOB'S TRANSPORT & STORAGE CO., INC. | | | SCAC3 |
| 17 | BTPO | BOBS TRANSPORT & STORAGE CO INC | | | SCAC4 |
| 18 | BTPQ | BEST TRANSPORT COMPANY INC | | | SCAC3 |
| 19 | BTPQ | BOGAR TRUCK PARTS & SERVICE | | | SCAC4 |
| 20 | BTPS | BREADNER TRANSPORTS LTD | | | SCAC3 |
| 21 | BTPV | BLAKE TRANSPORTATION SERVICES INC | | | SCAC4 |
| 22 | BTPW | BIG TWO PRODUCTIONS | | | SCAC4 |
| 23 | BTPY | BROCKS TRANSPORTATION INC | | | SCAC3 |
