| 1 | CNI | Empresa Nacional de Servicios Aereos | Callsign: Seraer, Founded in 1995. | C | AVCODES |
| 2 | CNI | Empresa Nacional De Servicios Aereos | | | ICAO1 |
| 3 | CNIB | CANTON CORPORATION INC, THE | | | SCAC3 |
| 4 | CNIC | CONSOLIDATED CARGO INC | | | SCAC3 |
| 5 | CNID | CANALSIDE CORPORATION | | | SCAC3 |
| 6 | CNID | CARMAN INC | | | SCAC4 |
| 7 | CNIE | CONNIES INC | | | SCAC4 |
| 8 | CNIG | COLONIAL COACH LINES INC | | | SCAC3 |
| 9 | CNIG | COLONIAL COACH LINES | | | SCAC4 |
| 10 | CNIH | CONTICO INTERNATIONAL INC | | | SCAC3 |
| 11 | CNII | COLONIAL LINES INC | | | SCAC3 |
| 12 | CNII | CALSTON INDUSTRIES INC | | | SCAC4 |
| 13 | CNIJ | CLOUD NINE INC | | | SCAC3 |
| 14 | CNIJ | CONNECTIONS INC | | | SCAC4 |
| 15 | CNIK | CAIN TRUCKING INC | | | SCAC4 |
| 16 | CNIM | C A N TRANSPORT INC | | | SCAC3 |
| 17 | CNIM | C A N TRANSPORT INC | | | SCAC4 |
| 18 | CNIP | CONSOLIDATED PALETS | | | SCAC3 |
| 19 | CNIQ | CAROLINA TRUCKING COMPANY INC | | | SCAC3 |
| 20 | CNIQ | CARRIER NORMAND INC | | | SCAC4 |
| 21 | CNIR | CONTAINERS IN TRANSIT INC | | | SCAC3 |
| 22 | CNIR | COLLECTION ANDRE IMPORTS | | | SCAC4 |
| 23 | CNIS | Canadian National Rys. | 1/1975-7/2005 | | NAKINA |
| 24 | CNIS | Canadian National Rys. | 1/75-7/2000 | | NRHS |
| 25 | CNIS | CANADIAN NATIONAL RWY | | | PWRC |
| 26 | CNIS | Canadian National Railway | | | RSRV |
| 27 | CNIS | CENTRAL ILLINOIS TRANSPORTATION INC | | | SCAC3 |
| 28 | CNIS | CENTRAL ILLINOIS TRANSPORTATION INC | | | SCAC4 |
| 29 | CNIT | C & N TRANSPORT | | | SCAC3 |
| 30 | CNIU | MAERSK A/S | | DK | BIC |
| 31 | CNIU | COMPANIA CHILENA DE NAVEGACION INTEROCEANICA (CCNI) | | | SCAC3 |
| 32 | CNIU | COMPANIA CHILENA DE NAVIGACION INTE | | | SCAC4 |
| 33 | CNIV | COLESVILLE NURSERY INC | | | SCAC4 |
| 34 | CNIW | CONTINENTAL WAREHOUSE INC | | | SCAC3 |
| 35 | CNIW | CONTI LINE INTERNATIONAL INC | | | SCAC4 |
| 36 | CNIY | CONETEC INC | | | SCAC4 |
