| 1 | NCP | Capital Airlines Limited | Callsign: Capital Shuttle, | WAN | AVCODES |
| 2 | NCP | Capital Airlines Limited | | | ICAO1 |
| 3 | NCPF | NALCO COMPANY | | | SCAC4 |
| 4 | NCPG | NC PRODUCE TRUCKING COMPANY | | | SCAC4 |
| 5 | NCPI | NEW CENTURY PRODUCTIONS INC | | | SCAC4 |
| 6 | NCPP | NORTHERN CALIFORNIA PULP & PAPER IN | | | SCAC3 |
| 7 | NCPP | NORTHERN CALIFORNIA PAPER RECYCLERS | | | SCAC4 |
| 8 | NCPQ | NORTH CENTRAL PUBLIC SERVICE CO | | | SCAC3 |
| 9 | NCPR | North Carolina Ports Ry. Commission | 1/1994-7/2005 | | NAKINA |
| 10 | NCPR | North Carolina Ports Ry. Commission | 1/94-7/2000 | | NRHS |
| 11 | NCPR | NORTH CAROLINA PORTS RAILWAY COMMISSION | | | PWRC |
| 12 | NCPR | North Carolina Ports Railway Commission | | | RSRV |
| 13 | NCPR | NORTH CAROLINA PORTS RAILWAY COMMIS | | | SCAC3 |
| 14 | NCPS | NEW COPS INC | | | SCAC3 |
| 15 | NCPU | NAVICON S A | | | SCAC4 |
