| 10801 | CNAU | TECHNIC-FRANCE | | | SCAC4 |
| 10802 | CNAV | COLUMBIA NORTH AMERICAN VAN & STORA | | | SCAC3 |
| 10803 | CNAV | COLUMBIA NORTH AMERICAN VAN & STORA | | | SCAC4 |
| 10804 | CNAW | CENTRAL TRANSPORTATION SERVICES INC | | | SCAC3 |
| 10805 | CNAW | CENTRAL TRANSPORTATION SERVICES INC | | | SCAC4 |
| 10806 | CNAY | C & A LEASING INC | | | SCAC3 |
| 10807 | CNAZ | CANADIAN NATIONAL RWY [GRAND TRUNK WESTERN RAILROAD INC.] | | | PWRC |
| 10808 | CNAZ | Canadian National Railway | | | RSRV |
| 10809 | CNAZ | GRAND TRUNK WESTERN RAILROAD | | | SCAC4 |
| 10810 | CNB | Air Columbus | IATA: BO, Callsign: Air Columbus, Ceased operations | P | AVCODES |
| 10811 | CNB | Cityline Hungary Kft. | IATA: ZM, Callsign: Cityhun, Ceased operation during 2015. Designator ZM* recalled by IATA. | H | AVCODES |
| 10812 | CNB | Cityline Hungary | | | ICAO1 |
| 10813 | CNB | | | NL | TRAFFIC |
| 10814 | CNBA | CBASE | | | SCAC4 |
| 10815 | CNBB | CON-BROOK TRANSPORTATION, INC | | | SCAC3 |
| 10816 | CNBC | C & B CONTRACT CARRIERS INC | | | SCAC3 |
| 10817 | CNBD | C & B TRANSPORTATION INC | | | SCAC3 |
| 10818 | CNBE | COLLINS, BILL OIL CO INC | | | SCAC4 |
| 10819 | CNBH | CAREY/NOB HILL LIMOUSINE AND TORUS | | | SCAC3 |
| 10820 | CNBH | CN TRANSPORT LIMITED | | | SCAC4 |
| 10821 | CNBI | CONRAD & BISCHOFF INC | | | SCAC3 |
| 10822 | CNBJ | C & B TOURS | | | SCAC3 |
| 10823 | CNBJ | CARTER TRUCKING | | | SCAC4 |
| 10824 | CNBK | C & B TRUCKING | | | SCAC3 |
| 10825 | CNBL | CANNONBALL TRUCKING INC | | | SCAC3 |
| 10826 | CNBL | CANNONBALL TRUCKING INC | | | SCAC4 |
| 10827 | CNBM | C & B TRANSFER & STORAGE CO | | | SCAC3 |
| 10828 | CNBM | CAIN & BULTMAN INC | | | SCAC4 |
| 10829 | CNBN | CONTINENTAL BROKERAGE INC | | | SCAC3 |
| 10830 | CNBN | CALDRAYAGE TRANSPORTATION INC | | | SCAC4 |
| 10831 | CNBO | CANADAS BEST CARRIERS INC | | | SCAC3 |
| 10832 | CNBO | CASTILLON BROS COMPANY | | | SCAC4 |
| 10833 | CNBP | C & B TRANSPORT | | | SCAC3 |
| 10834 | CNBP | CARTER TRANSPORTATION INC | | | SCAC4 |
| 10835 | CNBQ | C & B TRUCKING INC | | | SCAC3 |
| 10836 | CNBQ | CONSORCIO DE SERVICIOS INTERNACIONA | | | SCAC4 |
| 10837 | CNBR | CARIBBEAN NEW BRUNSWICK | | | SCAC3 |
| 10838 | CNBS | CANOGA BUILDERS SUPPLIES | | | SCAC3 |
| 10839 | CNBV | COLLINS BUS SERVICE INC | | | SCAC3 |
| 10840 | CNBV | COLLINS BUS SERVICE INC | | | SCAC4 |
| 10841 | CNBW | CANTONS BESTWAY INC | | | SCAC3 |
| 10842 | CNBY | CANTERBURY TRAVEL | | | SCAC3 |
| 10843 | CNC | Corporacion Aereo Cencor, S.A. de C.V. | Callsign: Cencor, | MEX | AVCODES |
| 10844 | CNC | Corporacion Aereo Cencor | | | ICAO1 |
| 10845 | CNCB | C & C DISTRIBUTORS | | | SCAC3 |
| 10846 | CNCB | CNC CUSTOM MACHINING & FABRICATING | | | SCAC4 |
| 10847 | CNCC | CENTRALIA CARTAGE CO. | | | PWRC |
| 10848 | CNCC | CENTURY CARTAGE CO | | | SCAC3 |
| 10849 | CNCC | CONSUMERS OIL COMPANY INC | | | SCAC4 |
| 10850 | CNCD | CANCADE COMPANY LIMITED | | | SCAC4 |
| 10851 | CNCE | C & C TRANSPORTATION INC | | | SCAC3 |
| 10852 | CNCF | CNC FREIGHT INC | | | SCAC3 |
| 10853 | CNCF | CNCF | | FAN | TRAFFIC |
| 10854 | CNCFR | Compania Nationala de Cai Ferate \" CFR \" S.A | | RO | VKM |
| 10855 | CNCG | CRONIN CONTRACTING INC | | | SCAC4 |
| 10856 | CNCH | C & C TRUCKING COMPANY INC | | | SCAC3 |
| 10857 | CNCI | CANCILLA, F JR TRUCKING | | | SCAC3 |
| 10858 | CNCI | CALEDON NIGHTCRAWLERS LIMITED | | | SCAC4 |
| 10859 | CNCJ | COUNCIL, JIMMIE | | | SCAC3 |
| 10860 | CNCK | C & C TRUCKING INC | | | SCAC3 |
| 10861 | CNCK | CNC REPAIR & SALES | | | SCAC4 |
| 10862 | CNCL | CONNECTIONS COURIER SERVICE LTD | | | SCAC3 |
| 10863 | CNCL | COUNCIL OIL CO INC | | | SCAC4 |
| 10864 | CNCM | CONCORD OIL CO | | | SCAC4 |
| 10865 | CNCN | CONALCO CARRIER INC | | | SCAC3 |
| 10866 | CNCO | CANYON CITY TRANSFER & STORAGE CO | | | SCAC3 |
| 10867 | CNCO | COREY NURSERY CO INC | | | SCAC4 |
| 10868 | CNCP | CONCEPT INC | | | SCAC3 |
| 10869 | CNCP | CONCEPT INC | | | SCAC4 |
| 10870 | CNCQ | CENTRAL CARGO CORPORATION | | | SCAC3 |
| 10871 | CNCR | CONTRACTORS CARGO COMPANY | | | SCAC3 |
| 10872 | CNCR | CONTRACTORS CARGO COMPANY | | | SCAC4 |
| 10873 | CNCS | CONTAINER CONNECTION OF SOUTHERN CA | | | SCAC4 |
| 10874 | CNCT | C & C TRUCKING CO INC | | | SCAC3 |
| 10875 | CNCU | CMA-CGM | | F | BIC |
| 10876 | CNCU | CIE NOUVELLE DE CONTENEURS | | | SCAC3 |
| 10877 | CNCU | CMA-CGM | | | SCAC4 |
| 10878 | CNCV | C & C MOVING & STORAGE INC | | | SCAC3 |
| 10879 | CNCW | CENTRE CARRIERS CORPORATION | | | SCAC3 |
| 10880 | CNCX | Arcadian Corp. | added 7/1990; 1/1994; eliminated 7/2006 | | NAKINA |
| 10881 | CNCX | Columbia Nitrogen Corp. | added 1/1963; 7/1965-1/1980; eliminated 7/1990 | | NAKINA |
| 10882 | CNCX | Central Commercial Co. | 8/1920-7/1923 | | NAKINA |
| 10883 | CNCX | Columbia Nitrogen Corp. | 7/65-1/80; eliminated 7/90 | | NRHS |
| 10884 | CNCX | Arcadian Corp. | added 7/90; 1/94 | | NRHS |
| 10885 | CNCX | *CENTRAL COMMERCIAL CO. | | | PWRC |
| 10886 | CNCX | *ARCADIAN CORPORATION [COLUMBIA NITROGEN CORP.] | | | PWRC |
| 10887 | CNCX | Columbia Nitrogen Corporation | | | RSRV |
| 10888 | CNCX | COLUMBIA NITROGEN CORP | | | SCAC3 |
| 10889 | CNCX | CN + CX | | NL | TRAFFIC |
| 10890 | CNCY | CARP ENERGY INC | | | SCAC4 |
| 10891 | CND | Concord Airlines Nigeria Limited | Callsign: Air Concord, | WAN | AVCODES |
| 10892 | CND | Aero Continente Dominicana | IATA: 9D, Callsign: Condominicana, Designator 9D recalled by IATA | DOM | AVCODES |
| 10893 | CND | Corendon Dutch Airlines | IATA: CD, Callsign: Dutch Corendon, IATA Prefix: 503, | NL | AVCODES |
| 10894 | CND | Aero Continente Dominicana | | | ICAO1 |
| 10895 | CNDA | CONDOR AIR CARGO INC | | | SCAC3 |
| 10896 | CNDA | CANADA DRAYAGE INC | | | SCAC4 |
| 10897 | CNDB | CENTRAL DISTRIBUTORS INC | | | SCAC3 |
| 10898 | CNDC | C & D CARTAGE | | | SCAC3 |
| 10899 | CNDD | CONARD LOGISTICS INC | | | SCAC4 |
| 10900 | CNDE | CONTRACT DELIVERY, INC | | | SCAC3 |
