| 1 | NCL | ACA-Ancargo Air Sociedade de Transporte de Carga Lda | Callsign: Ancargo Air, | ANG | AVCODES |
| 2 | NCL | National Commuter Airlines | Callsign: Commuterbird, Ceased operations | GB | AVCODES |
| 3 | NCL | National Commuter Airways | | GB | AVCODES |
| 4 | NCL | ACA-Ancargo Air Sociedade de Transporte de Carga L | | | ICAO1 |
| 5 | NCL | National City Lines | | USA | TRAFFIC |
| 6 | NCLB | NORTH COAST LOGISTICS INC | | | SCAC4 |
| 7 | NCLD | NORTHERN CARTAGE LTD | | | SCAC4 |
| 8 | NCLE | NORTH CENTRAL TRANSPORT OF WAUSAU I | | | SCAC3 |
| 9 | NCLE | NICOLE & CO | | | SCAC4 |
| 10 | NCLG | NORTHWEST CARRIER LOGISTICS LLC | | | SCAC4 |
| 11 | NCLH | NCL INC | | | SCAC4 |
| 12 | NCLK | NCL CONTAINER LINES CO LTD | | | SCAC4 |
| 13 | NCLL | NORASIA CONTAINER LINES LIMITED | | | SCAC4 |
| 14 | NCLM | NORTHERN CLAM LTD | | | SCAC4 |
| 15 | NCLN | NEW CHALLENGE LOGISTIC INC | | | SCAC4 |
| 16 | NCLO | NORTHFORK CARRIERS LTD | | | SCAC4 |
| 17 | NCLP | NCC L P | | | SCAC3 |
| 18 | NCLQ | NORTH COUNTRY LOGISTICS INC | | | SCAC4 |
| 19 | NCLS | NICHOLS TRUCKING CO INC | | | SCAC3 |
| 20 | NCLS | NICHOLS TRUCKING CO INC | | | SCAC4 |
| 21 | NCLT | NORTH CENTRAL LOGISTICS INC | | | SCAC4 |
| 22 | NCLU | CAREER (HK) CO., LIMITED | | HK | BIC |
| 23 | NCLU | CHINA OCEAN SHIPPING COMPANY | | | PWRC |
| 24 | NCLU | China Ocean Shipping | | | RSRV |
| 25 | NCLU | NAMUCAR LINE | | | SCAC3 |
| 26 | NCLV | NCLS | | | SCAC4 |
| 27 | NCLW | NOBLE CHARTERING CORP | | | SCAC4 |
| 28 | NCLX | Nova Chemicals Ltd. | added 4/1997; 7/2000-7/2005 | | NAKINA |
| 29 | NCLX | North American Cyanamid Ltd. | 10/1957; eliminated 7/1958 | | NAKINA |
| 30 | NCLX | North American Cyanamid Ltd., Welland Works | 4/1947-7/1954 | | NAKINA |
| 31 | NCLX | North American Cyanamid Ltd. | 1/52-10/57; eliminated 7/58 | | NRHS |
| 32 | NCLX | Nova Chemicals Ltd. | added 4/97; 7/2000 | | NRHS |
| 33 | NCLX | *NORTH AMERICAN CYANAMID LTD. | | | PWRC |
| 34 | NCLX | +NOVA CHEMICALS INCORPORATED | | | PWRC |
| 35 | NCLX | Nova Chemicals | | | RSRV |
| 36 | NCLX | NOVA CHEMICALS LTD | | | SCAC4 |
| 37 | NCLX | Nova Chemicals Ltd. | | USA | TRAFFIC |
