| 1 | CCM | Compagnie Aerienne Corse Mediterranee | IATA: XK, Callsign: Corsica, IATA Prefix: 146, Name changed to CCM Airlines w.e.f. November 2000. IATA designator changed from ZN | F | AVCODES |
| 2 | CCM | Compagnie Aerienne Corse Mediterranee | IATA: ZN, Callsign: Corsemedi, Established on 01 January 1989. Commenced operations in June 1990. IATA designator changed to XK | F | AVCODES |
| 3 | CCM | Compagnie Aerienne Corse Mediterranee | IATA: XK, Callsign: Corsica, IATA Prefix: 146, Name changed to Air Corsica w.e.f. October 2010. Name changed from Compagnie Aerienne Corse Mediterranee. IATA designator changed from ZN | F | AVCODES |
| 4 | CCM | Air Corsica | IATA: XK, Callsign: Corsica, IATA Prefix: 146, Name changed from Compagnie Aerienne Corse Mediterranee w.e.f. October 2010. Name changed from Compagnie Aerienne Corse Mediterranee. IATA designator changed from ZN | F | AVCODES |
| 5 | CCM | Corse-Mediterranee | IATA: XK | | ICAO1 |
| 6 | CCMA | CONNORS, C M | | | SCAC3 |
| 7 | CCMA | CONNORS, C M | | | SCAC4 |
| 8 | CCMB | CELTIC MARINE CORPORATION | | | SCAC4 |
| 9 | CCMBL | Culver City Municipal Bus Lines | | US-CA | TRAFFIC |
| 10 | CCMC | C.C. MID WEST, INC | | | SCAC3 |
| 11 | CCME | CHERRY CITY METALS LLC | | | SCAC4 |
| 12 | CCMF | COLUMBUS & CHICAGO MTR FRT | | | PWRC |
| 13 | CCMF | CHICAGO & COASTAL MOTOR EXPRESS INC | | | SCAC3 |
| 14 | CCMG | COASTAL CHARTER SERVICE | | | SCAC3 |
| 15 | CCMH | CHECKMA | | | SCAC4 |
| 16 | CCMI | CITY CARTAGE AND MOVING INC | | | SCAC3 |
| 17 | CCMI | COMMERCIA | | | SCAC4 |
| 18 | CCMI | The State Railway of the Democratic People's Republic of Korea | | PRK | TRAFFIC |
| 19 | CCMJ | COSCO NORTH AMERICA INC. | | | SCAC3 |
| 20 | CCMK | C & C MARKETING | | | SCAC3 |
| 21 | CCMK | CELTIC MARINE CORPORATION (TRUCK/RA | | | SCAC4 |
| 22 | CCML | CASCADIA MANUFACTURING LTD | | | SCAC4 |
| 23 | CCMM | CHARLESTOWN COMMUNITY INC | | | SCAC3 |
| 24 | CCMM | CORECOMPOS | | | SCAC4 |
| 25 | CCMN | C C M ENTERPRISES INC | | | SCAC3 |
| 26 | CCMO | CLASSIC CITY MOVING AND STORAGE INC | | | SCAC3 |
| 27 | CCMO | CLASSIC CITY MOVING AND STORAGE INC | | | SCAC4 |
| 28 | CCMP | CANADIAN CAMPING TOURS LTD | | | SCAC3 |
| 29 | CCMP | CONTROL CHEMICAL (1989) CORP | | | SCAC4 |
| 30 | CCMQ | CENTRAL CUMBERLAND COMPANY | | | SCAC3 |
| 31 | CCMQ | CCM MARKETING, MANUFACTURING & DIST | | | SCAC4 |
| 32 | CCMS | CLEMONS COURIER SERVICES INC | | | SCAC3 |
| 33 | CCMS | CLEMONS COURIER SERVICES INC | | | SCAC4 |
| 34 | CCMT | CARPENTER, C M, TRUCKING CO | | | SCAC3 |
| 35 | CCMU | MERCITALIA RAIL | | I | BIC |
| 36 | CCMU | COLEGRAVE CONTAINER LEASE MANAGEMEN | | | SCAC3 |
| 37 | CCMU | CARGO CHEMICAL SRL | | | SCAC4 |
| 38 | CCMV | CORRIGAN CHRIS MOVING INC | | | SCAC3 |
| 39 | CCMV | COLE CARRIERS MICHIGAN INC | | | SCAC4 |
| 40 | CCMW | CRESCENT CITY MARINE WAYS & DRYDOCK | | | SCAC3 |
| 41 | CCMW | COMMODITY TRANSPORTERS | | | SCAC4 |
| 42 | CCMX | Calcium Carbonate Co. | 1/1980; eliminated 5/1983; 1/1994 (not listed) | | NAKINA |
| 43 | CCMX | Georgia-Pacific Corp., Crossett Division Chemical | added 10/1962; 7/1965-4/1970; eliminated 7/1972 | | NAKINA |
| 44 | CCMX | Crossett Chemical Co. | 7/1932-4/1961; eliminated 10/1962 | | NAKINA |
| 45 | CCMX | Crossett Chemical Co. | 4/38-4/61 | | NRHS |
| 46 | CCMX | Georgia-Pacific Corp., Crossett Division Chemical | 7/65-4/70 | | NRHS |
| 47 | CCMX | Calcium Carbonate Co. | 1/80; eliminated 5/83; 1/94 | | NRHS |
| 48 | CCMX | *GEORGIA PACIFIC CORP., CROSSETT CHEMICAL DIV. | | | PWRC |
| 49 | CCMX | *CALCIUM CARBONATE COMPANY | | | PWRC |
| 50 | CCMX | Calcium Carbonate | | | RSRV |
| 51 | CCMY | CASE CARRIAGE CO | | | SCAC3 |
| 52 | CCMZ | MAERSK EQUIPMENT SERVICE COMPANY | | | SCAC4 |
