| 1 | NBT | Norse Atlantic Airways AS | IATA: N0, Callsign: Longship, IATA Prefix: 506, | N | AVCODES |
| 2 | NBTA | NATIONAL BUS TRAFFIC ASSOCIATION IN | | | SCAC3 |
| 3 | NBTC | NOBLE TRUCKING CO INC | | | SCAC3 |
| 4 | NBTC | NEW BERN TRANSPORT CORPORATION | | | SCAC4 |
| 5 | NBTD | NOEL BROS TRUCKING | | | SCAC3 |
| 6 | NBTD | NTS TRANSPORTATION INC | | | SCAC4 |
| 7 | NBTF | N B T TRANSPORT INC | | | SCAC3 |
| 8 | NBTF | NORTH-BOUND TRANSPORTATION | | | SCAC4 |
| 9 | NBTH | NICOLS BROS TRUCKING INC | | | SCAC4 |
| 10 | NBTI | NOBLE TRANSPORT INC | | | SCAC3 |
| 11 | NBTI | NORSEBOAT LIMITED | | | SCAC4 |
| 12 | NBTJ | NEELON BROS TRUCKING LLC | | | SCAC4 |
| 13 | NBTL | N & B TRUCKING LLC | | | SCAC4 |
| 14 | NBTR | NEW BRUNSWICK TRANSFER | | | SCAC3 |
| 15 | NBTS | NOBLER TRANSPORTATION SERVICE | | | SCAC3 |
| 16 | NBTS | N B T TOURS | | | SCAC4 |
| 17 | NBTT | NORBET TRUCKING CORP | | | SCAC3 |
| 18 | NBTT | NORBET TRUCKING CORP | | | SCAC4 |
| 19 | NBTU | NISSAN BUTSURYU CO LTD | | J | BIC |
| 20 | NBTU | NISSAN BUTSURYU CO LTD | | | SCAC4 |
| 21 | NBTY | NO BS TRUCKING INC | | | SCAC4 |
