| 11101 | CNIQ | CAROLINA TRUCKING COMPANY INC | | | SCAC3 |
| 11102 | CNIQ | CARRIER NORMAND INC | | | SCAC4 |
| 11103 | CNIR | CONTAINERS IN TRANSIT INC | | | SCAC3 |
| 11104 | CNIR | COLLECTION ANDRE IMPORTS | | | SCAC4 |
| 11105 | CNIS | Canadian National Rys. | 1/1975-7/2005 | | NAKINA |
| 11106 | CNIS | Canadian National Rys. | 1/75-7/2000 | | NRHS |
| 11107 | CNIS | CANADIAN NATIONAL RWY | | | PWRC |
| 11108 | CNIS | Canadian National Railway | | | RSRV |
| 11109 | CNIS | CENTRAL ILLINOIS TRANSPORTATION INC | | | SCAC3 |
| 11110 | CNIS | CENTRAL ILLINOIS TRANSPORTATION INC | | | SCAC4 |
| 11111 | CNIT | C & N TRANSPORT | | | SCAC3 |
| 11112 | CNIU | MAERSK A/S | | DK | BIC |
| 11113 | CNIU | COMPANIA CHILENA DE NAVEGACION INTEROCEANICA (CCNI) | | | SCAC3 |
| 11114 | CNIU | COMPANIA CHILENA DE NAVIGACION INTE | | | SCAC4 |
| 11115 | CNIV | COLESVILLE NURSERY INC | | | SCAC4 |
| 11116 | CNIW | CONTINENTAL WAREHOUSE INC | | | SCAC3 |
| 11117 | CNIW | CONTI LINE INTERNATIONAL INC | | | SCAC4 |
| 11118 | CNIY | CONETEC INC | | | SCAC4 |
| 11119 | CNJ | Nanjing Airlines | Callsign: Ninghang, | PRC | AVCODES |
| 11120 | CNJ | Nanjing Airlines | | | ICAO1 |
| 11121 | CNJ | Consolidated Rail Corp. | added 4/1976; 1/1980-1/1994; eliminated 7/1999 | | NAKINA |
| 11122 | CNJ | Central R.R. Co. of New Jersey, Robert D. Timpany, Trustee | eliminated 4/1976 | | NAKINA |
| 11123 | CNJ | Central R.R. Co. of New Jersey | 8/1920-10/1966 & 1/1975 | | NAKINA |
| 11124 | CNJ | Central R.R. Co. of New Jersey | 7/23-10/66 & 1/75 | | NRHS |
| 11125 | CNJ | Central R.R. Co. of New Jersey, Robert D. Timpany, Trustee | eliminated 4/76 | | NRHS |
| 11126 | CNJ | Consolidated Rail Corp. | added 4/76; 1/80-1/94; eliminated 7/99 | | NRHS |
| 11127 | CNJ | CONRAIL [CENTRAL RAILROAD of NEW JERSEY] | | | PWRC |
| 11128 | CNJ | Central Railroad of New Jersey (Norfolk Southern) | | | RSRV |
| 11129 | CNJ | Central Railroad Company of New Jersey | | USA | TRAFFIC |
| 11130 | CNJA | C & J TRAILWAYS | | | SCAC3 |
| 11131 | CNJA | CANNING, JAMES | | | SCAC4 |
| 11132 | CNJF | C & J TRUCK TRANSPORT INC | | | SCAC3 |
| 11133 | CNJG | CARDINAL SCALE MFG CO | | | SCAC4 |
| 11134 | CNJL | CRESTLINE LOGISTICS LLC | | | SCAC4 |
| 11135 | CNJM | C & J MOVING & STORAGE INC | | | SCAC3 |
| 11136 | CNJM | CRUCE INTERNACIONAL JM | | | SCAC4 |
| 11137 | CNJN | CARLSON, JON A | | | SCAC3 |
| 11138 | CNJP | CONRAD, JOHN P | | | SCAC3 |
| 11139 | CNJP | CNJ XPRESS INCORPORATED | | | SCAC4 |
| 11140 | CNJR | COON, JOHN R INC | | | SCAC3 |
| 11141 | CNJS | CRAIN, JOE S JR INC | | | SCAC4 |
| 11142 | CNK | Sunwest Home Aviation Ltd. | Callsign: Chinock, Name changed toSunwest Aviation Ltd. | CDN | AVCODES |
| 11143 | CNK | Sunwest Aviation Ltd. | Callsign: Chinock, Name changed from Sunwest Home Aviation Ltd. | CDN | AVCODES |
| 11144 | CNK | Sunwest Home Aviation | | | ICAO1 |
| 11145 | CNKA | CHINA LAKE TRANSPORTATION | | | SCAC3 |
| 11146 | CNKC | CARLSON TRUCKING LLC | | | SCAC4 |
| 11147 | CNKD | CANNON, LEON LOGISTICS | | | SCAC4 |
| 11148 | CNKE | CONSTRUCTION TRUCKING SERVICE INC | | | SCAC3 |
| 11149 | CNKE | CHANAS TRUCKING | | | SCAC4 |
| 11150 | CNKF | COLLINS TRUCKING CO., INC. | | | SCAC3 |
| 11151 | CNKF | COLLINS TRUCKING COMPANY | | | SCAC4 |
| 11152 | CNKG | CORDES, NEIL TRUCKING | | | SCAC3 |
| 11153 | CNKH | C & N TRUCKING | | | SCAC3 |
| 11154 | CNKI | C & K CARRIERS INC | | | SCAC3 |
| 11155 | CNKI | CERNAS TRUCKING | | | SCAC4 |
| 11156 | CNKJ | CN LINK FREIGHT SERVICES INC | | | SCAC4 |
| 11157 | CNKK | C & K TRUCKING INC | | | SCAC3 |
| 11158 | CNKK | CLINTON TRUCKING LLC | | | SCAC4 |
| 11159 | CNKL | CONKLIN, DON D | | | SCAC3 |
| 11160 | CNKM | C&K TRANSPORT, INC | | | SCAC3 |
| 11161 | CNKM | C & K TRANSPORT INC | | | SCAC4 |
| 11162 | CNKP | C & K PETROLEUM TRANSPORTERS INC | | | SCAC3 |
| 11163 | CNKP | CHAPIN TRUCKING CORPORATION | | | SCAC4 |
| 11164 | CNKQ | CONKLIN WAREHOUSE | | | SCAC3 |
| 11165 | CNKQ | CNK TRANSLOG CONSULTING INC | | | SCAC4 |
| 11166 | CNKT | C & K TRUCKING INC | | | SCAC3 |
| 11167 | CNKT | CANUCK TOWING & SERVICES | | | SCAC4 |
| 11168 | CNKU | TROIA SHIPPING CORP/PANAMA | | | SCAC4 |
| 11169 | CNKV | COATS & SONS TRUCKING INC | | | SCAC4 |
| 11170 | CNKW | C & K TRUCKING | | | SCAC3 |
| 11171 | CNKY | CONOKAY TRANSPORTATION | | | SCAC3 |
| 11172 | CNL | Centennial Airlines, Inc. | Callsign: Wyo-Air, | USA | AVCODES |
| 11173 | CNL | Centennial Airlines | | | ICAO1 |
| 11174 | CNL | Columbia, Newberry and Laurens R.R. Co. | 1/1975-1/1980; eliminated 1/1983 | | NAKINA |
| 11175 | CNL | Columbia, Newberry and Laurens R.R. Co. | 1/75-1/80; eliminated 1/83 | | NRHS |
| 11176 | CNL | COLUMBIA, NEWBERRY & LAURENS RAILROAD CO. | | | PWRC |
| 11177 | CNL | Columbia, Newberry and Laurens Railroad (CSX Transportation) | | | RSRV |
| 11178 | CNL | CityNightLine CNL AG | | CH | VKM |
| 11179 | CNLA | C & L AUTO REPAIR | | | SCAC3 |
| 11180 | CNLA | CANADIAN LOCAL | | | SCAC4 |
| 11181 | CNLA | Columbia, Newberry and Laurens R.R. Co. | Real: CNL | USA | TRAFFIC |
| 11182 | CNLB | CONTINENTAL TRANSPORTATION LTD | | | SCAC4 |
| 11183 | CNLC | CAMBRIDGE LEE INDUSTRIES LLC | | | SCAC4 |
| 11184 | CNLD | CONNER ENTERPRISES | | | SCAC3 |
| 11185 | CNLE | CENTRANS TRUCK LINES INC | | | SCAC4 |
| 11186 | CNLF | CENTER LINE INC | | | SCAC3 |
| 11187 | CNLF | CANAAN INTERNATIONAL FREIGHT INC | | | SCAC4 |
| 11188 | CNLG | CRANDALL MOVING & STORAGE INC | | | SCAC3 |
| 11189 | CNLH | CONNELL TRANSPORT | | | SCAC4 |
| 11190 | CNLI | CLINTON LEASING INC | | | SCAC3 |
| 11191 | CNLJ | CONTINENTAL TERMINALS INC | | | SCAC3 |
| 11192 | CNLJ | CONTINENTAL TERMINALS INC | | | SCAC4 |
| 11193 | CNLK | C & L TRUCKING INC | | | SCAC3 |
| 11194 | CNLL | CANTRELL, KEN TRUCKING | | | SCAC3 |
| 11195 | CNLL | C & N LOGISTICS INC | | | SCAC4 |
| 11196 | CNLM | CONNER LOGISTICS | | | SCAC4 |
| 11197 | CNLN | CONLON MOVING AND STORAGE, INC | | | SCAC3 |
| 11198 | CNLN | COUNTY LINE TRUCKING LTD | | | SCAC4 |
| 11199 | CNLO | COLE, NELSON | | | SCAC4 |
| 11200 | CNLP | CONTRAIL INTERNATIONAL INCORPORATED | | | SCAC3 |
