| 1 | NHL | Northumbria Helicopters Limited | Callsign: Northumbria, | GB | AVCODES |
| 2 | NHL | Northumbria Helicopters | | | ICAO1 |
| 3 | NHLA | NEWTOWN HOLDINGS LTD | | | SCAC4 |
| 4 | NHLE | NIHLES TRUCKING | | | SCAC3 |
| 5 | NHLG | NORTH IDAHO ENERGY LOGS INC | | | SCAC4 |
| 6 | NHLI | N H L INC | | | SCAC3 |
| 7 | NHLI | NEWHOPE LOGISTICS INC | | | SCAC4 |
| 8 | NHLL | NATIONWIDE HAULING LLC | | | SCAC4 |
| 9 | NHLM | NORTHLAND METALS TRANSPORTATION INC | | | SCAC4 |
| 10 | NHLT | NORTHLAND TRANSPORT INC | | | SCAC4 |
| 11 | NHLV | NHL DEVELOPMENT CO LTD | | | SCAC4 |
