| 1 | NLT | Newfoundland Labrador Air Transport Ltd. | Callsign: Nalair, | CDN | AVCODES |
| 2 | NLT | Newfoundland Labrador Air Transport | | | ICAO1 |
| 3 | NLTA | NILES TRANSPORTATION | | | SCAC3 |
| 4 | NLTC | NELSON TRUCKING CO | | | SCAC3 |
| 5 | NLTF | NATIONAL LIFT TRUCK INC | | | SCAC3 |
| 6 | NLTF | N L TECHNOLOGIES | | | SCAC4 |
| 7 | NLTG | NELSON TRUCKING | | | SCAC3 |
| 8 | NLTH | NELSON, T A BUS LINES INC | | | SCAC3 |
| 9 | NLTI | NATIONAL TANK LINES | | | SCAC3 |
| 10 | NLTI | NORTHERN LIGHTS TRANSPORT INC | | | SCAC4 |
| 11 | NLTJ | NO LIMIT TRANSPORTATION LLC | | | SCAC4 |
| 12 | NLTL | NORTHERN LIGHTS TRUCK LINES | | | SCAC3 |
| 13 | NLTN | NOLAND TRANSPORTATION INC | | | SCAC3 |
| 14 | NLTO | NORTHLAND TRANSPORTING | | | SCAC3 |
| 15 | NLTO | NILE TRANSPORTATION | | | SCAC4 |
| 16 | NLTP | NELSON TRANSPORTATION INC | | | SCAC3 |
| 17 | NLTP | NILES TRANSPORTATION INC | | | SCAC4 |
| 18 | NLTQ | NELMAR TRUCKING CO | | | SCAC3 |
| 19 | NLTR | NELSON TRANSPORTATION COMPANY | | | SCAC3 |
| 20 | NLTT | NATIONAL TOURS INC | | | SCAC3 |
| 21 | NLTT | NLT TRANSPORTATION LTD | | | SCAC4 |
| 22 | NLTV | NORTHEAST LOUISIANA TRAVEL SERVICE | | | SCAC3 |
| 23 | NLTV | NOLT, VIRGIL TRUCKING LLC | | | SCAC4 |
| 24 | NLTW | NATIONAL TRANSIT AIR INC | | | SCAC3 |
| 25 | NLTW | NALL TRANSPORT INC | | | SCAC4 |
| 26 | NLTX | Celtran, Inc., a Subsidiary of Celanese International Corp. | added 1/2006 | | NAKINA |
| 27 | NLTX | National Starch & Chemical Co., c/o Celtran, Inc. | 7/2005; eliminated 1/2006 | | NAKINA |
| 28 | NLTX | National Starch & Chemical Co., member of the ICI Group, Vinamul Polymers | added 10/2001 | | NAKINA |
| 29 | NLTX | National Starch & Chemical Co., d/b/a Specialty Synthetic Polymers Division | added 10/1999; 7/2000; eliminated 10/2001 | | NAKINA |
| 30 | NLTX | Nashtex Leasing Inc. | added 10/1990 | | NAKINA |
| 31 | NLTX | Nashtex Leasing Inc. | added 10/90 | | NRHS |
| 32 | NLTX | National Starch & Chemical Co., d/b/a Specialty Synthetic Polymers Division | added 10/99; 7/2000 | | NRHS |
| 33 | NLTX | *NASHTEX LEASING INC. | | | PWRC |
| 34 | NLTX | +CELTRAN, INC., SUB. OF CELANESE INTL. CORP. [NATIONAL STARCH AND CHEMICAL CO. - SPECIALITY SYNTHETIC POLYMERS DIV.] | | | PWRC |
| 35 | NLTX | National Starch and Chemical | | | RSRV |
| 36 | NLTX | CELTRAN INC A SUBSIDIARY OF | | | SCAC4 |
| 37 | NLTY | NETFOR LTD | | | SCAC4 |