| 1 | NLB | Novosibirsk Airlines | IATA: L8, Voluntary Surrender of IATA prefix | RUS | AVCODES |
| 2 | NLB | NORTHFIELD LINES INC | | | SCAC4 |
| 3 | NLB | New Lantau Bus | City: Hong Kong | HK | TRAFFIC |
| 4 | NLB | Verein Neue Landesbahn | | AT | VKM |
| 5 | NLBA | NATIONAL BAIT INC | | | SCAC4 |
| 6 | NLBC | N L B CORP | | | SCAC3 |
| 7 | NLBC | NIELSEN BROS INCORPORATED | | | SCAC4 |
| 8 | NLBE | NIGHT LIGHTS BY BEBEE LTD | | | SCAC4 |
| 9 | NLBL | NEW LONDON-BRADLEY LIMOUSINE SERVIC | | | SCAC3 |
| 10 | NLBP | NATIONAL LUBRICATING PRODUCTS CO | | | SCAC4 |
| 11 | NLBS | NELSONS BUS SERVICE INC | | | SCAC3 |
| 12 | NLBU | NEDLLOYD LINES | | | SCAC3 |
| 13 | NLBU | NEDLLOYD LIJNEN, BV | | | SCAC4 |
