| 1 | NLI | Northern Air Charter, Inc. | Callsign: North Link, | CDN | AVCODES |
| 2 | NLI | N.L.INDUSTRIES | | | PWRC |
| 3 | NLIA | NOTICE LOGISTICS INC | | | SCAC4 |
| 4 | NLIG | NEWTERM LOGISTICS INC | | | SCAC4 |
| 5 | NLIN | NEAL INC | | | SCAC4 |
| 6 | NLIO | NAVINSA LINE | | | SCAC4 |
| 7 | NLIQ | NOVIC LOGISTICS INC | | | SCAC4 |
| 8 | NLIR | NORTON LILLY INTERNATIONAL | | | SCAC4 |
| 9 | NLIS | NORTHERN LIGHTS SPECIALIZED | | | SCAC4 |
| 10 | NLIT | NORTHWEST LOGISTICS INC | | | SCAC4 |
| 11 | NLIX | NL Industries, Inc. | 1/1980; eliminated 5/1983; 1/1994 (not listed) | | NAKINA |
| 12 | NLIX | NL Industries, Inc. | 1/80; eliminated 5/83; 1/94 | | NRHS |
| 13 | NLIX | N.L.INDUSTRIES | | | PWRC |
| 14 | NLIX | NL Industries | | | RSRV |
| 15 | NLIZ | NATIONAL LIMESTONE | | | PWRC |
