| 1 | CCI | Capital Cargo International Airlines, Inc. | IATA: PT, Callsign: Cappy, IATA Prefix: 721, Merged into Air Transport International in 2013. | USA | AVCODES |
| 2 | CCI | BAA Aviation Limited | Callsign: Kungfu, | PRC | AVCODES |
| 3 | CCI | Capital Cargo International Airlines | IATA: PT | | ICAO1 |
| 4 | CCIB | COAST CITRUS DISTRIBUTORS | | | SCAC4 |
| 5 | CCIC | CLASSIC CARRIERS INC | | | SCAC4 |
| 6 | CCIE | CROSS CITY EXPRESS, Monaghan Enterprises, INC | | | SCAC3 |
| 7 | CCIF | CAR CITY | | | SCAC3 |
| 8 | CCIG | CLEAR CREEK TRANSPORTATION INC | | | SCAC4 |
| 9 | CCIH | C C CARTAGE INC | | | SCAC3 |
| 10 | CCII | CUSTOM CONTAINER CARRIERS INC | | | SCAC3 |
| 11 | CCII | CASA CLASAL INTERNATIONAL INC | | | SCAC4 |
| 12 | CCIJ | CREST COACH INC | | | SCAC3 |
| 13 | CCIJ | CROSS, CHRISTOPHER INC | | | SCAC4 |
| 14 | CCIK | CATTLE CARRIERS INC | | | SCAC3 |
| 15 | CCIK | CHICK-N-MATION | | | SCAC4 |
| 16 | CCIL | CECIL B J TRUCKING INC | | | SCAC3 |
| 17 | CCIM | Corpus Christie Terminal | 1/1994-7/2005 | | NAKINA |
| 18 | CCIM | Corpus Christie Terminal | 1/94-7/2000 | | NRHS |
| 19 | CCIM | CORPUS CHRISTI TERMINAL RAILROAD | | | PWRC |
| 20 | CCIM | Corpus Christi Terminal Railroad | | | RSRV |
| 21 | CCIM | CREEKSIDE CARGO INC | | | SCAC4 |
| 22 | CCIN | CAR COURIERS INC | | | SCAC4 |
| 23 | CCIO | CHICO TRANSPORTATION | | | SCAC3 |
| 24 | CCIO | COMMONWEALTH CARGO INC | | | SCAC4 |
| 25 | CCIP | C C I EXPRESS CORP | | | SCAC4 |
| 26 | CCIQ | CARR CARRIER MOTOR SALES | | | SCAC3 |
| 27 | CCIR | CONNER CAIN TRAVEL AGENCY | | | SCAC3 |
| 28 | CCIS | CULLUM COMPANIES INC | | | SCAC3 |
| 29 | CCIT | COAL CITY TRUCKING COMPANY | | | SCAC3 |
| 30 | CCIU | COLUMBIA COMMON CARRIERS, INC. | | | SCAC3 |
| 31 | CCIU | CHINA COMMERCIAL SERVICES INTERNATI | | | SCAC4 |
| 32 | CCIV | CONTRACTORS CARTAGE INC | | | SCAC3 |
| 33 | CCIV | CRANE CREEK TRUCKING LLC | | | SCAC4 |
| 34 | CCIW | COMBO CARGO INTERNATIONAL LTD | | | SCAC3 |
| 35 | CCIW | CORNELL CARRIERS INC | | | SCAC4 |
| 36 | CCIX | Rhone-Poulenc Basic Chemicals Co. | eliminated 1/1994; 1/1994 (not listed) | | NAKINA |
| 37 | CCIX | Stauffer Chemical Co., Consolidated Chemical Division | added 1/1963; 7/1965-1/1980 | | NAKINA |
| 38 | CCIX | Stauffer Chemical Co., Consolidated Chemical Industries Division | added 10/1958; 4/1961; eliminated 1/1963 | | NAKINA |
| 39 | CCIX | Consolidated Chemical Industries, Division of Stauffer Chemical Co. | added 4/1956; 10/1957; eliminated 10/1958 | | NAKINA |
| 40 | CCIX | Consolidated Chemical Industries | 1/1941-7/1954; eliminated 4/1956 | | NAKINA |
| 41 | CCIX | Consolidated Chemical Industries, Inc., New England, Louisiana and Texas Divisions | 7/1937-4/1938 | | NAKINA |
| 42 | CCIX | The Cleveland-Cliffs Iron Ore Co. | 7/1930-7/1932 | | NAKINA |
| 43 | CCIX | Consolidated Chemical Industries | 4/38-1/52 | | NRHS |
| 44 | CCIX | Consolidated Chemical Industries, Division of Stauffer Chemical Co. | 10/57; eliminated 10/58 | | NRHS |
| 45 | CCIX | Stauffer Chemical Co., Consolidated Chemical Industries Division | added 10/58 | | NRHS |
| 46 | CCIX | Consolidated Chemical Industries, Division of Stauffer Chemical Co. | Apr-61 | | NRHS |
| 47 | CCIX | Consolidated Chemical Division (Stauffer Chemical Co., Consolidated Chemical Division) | 7/65-4/70 | | NRHS |
| 48 | CCIX | Stauffer Chemical Co., Consolidated Chemical Division | 1/75-1/80 | | NRHS |
| 49 | CCIX | Rhone-Poulenc Basic Chemicals Co. | eliminated 1/94 | | NRHS |
| 50 | CCIX | *CLEVELAND-CLIFFS IRON ORE CO. | | | PWRC |
| 51 | CCIX | *(RPBX) RHONE-POULENC BASIC CHEMICALS CO. [STAUFFER CHEMICAL C0.; CONSOLIDATED CHEMICAL INDUSTRIES] | | | PWRC |
| 52 | CCIX | Cleveland-Cliffs Iron Ore (Stauffer Chemical Consolidated Chemical Division) | | | RSRV |
| 53 | CCIY | CHRISTIANA CABINETRY | | | SCAC4 |
| 54 | CCIZ | *CAYUGA COUNTY INDUSTRIAL DEVELOPMENT AGENCY | | | PWRC |
| 55 | CCIZ | *CRETE INTERMODAL | | | PWRC |
| 56 | CCIZ | Crete Intermodal | | | RSRV |
| 57 | CCIZ | CRETE INTERMODAL | | | SCAC4 |
