| 1 | CCP | Grand Holdings, Inc. d/b/a Champion Air | IATA: MG, Callsign: Champion Air, | USA | AVCODES |
| 2 | CCP | Champion Air | IATA: MG | | ICAO1 |
| 3 | CCP | CHICAGO CENTRAL & PACIFIC RR | | | PWRC |
| 4 | CCP | Chicago Central & Pacific Railroad | | USA | TRAFFIC |
| 5 | CCPA | CLASSIC CAR PARTS LTD | | | SCAC4 |
| 6 | CCPB | CAPITOL CITY CO-OP COMMUTER INC | | | SCAC3 |
| 7 | CCPC | C AND C TRANSPORTATION INC | | | SCAC3 |
| 8 | CCPD | CONTAINER-CARE INTERNATIONAL INC | | | SCAC3 |
| 9 | CCPD | COMTEST COMMUNICATIONS PRODUCTS LIM | | | SCAC4 |
| 10 | CCPE | CONTAINER CORP OF AMERICA | | | SCAC3 |
| 11 | CCPF | COAST TO COAST SHIPPERS INC | | | SCAC3 |
| 12 | CCPG | CENTRAL CAROLINA SHIPPING INC | | | SCAC3 |
| 13 | CCPG | C & C PARTNERS TRANSPORTATION INC | | | SCAC4 |
| 14 | CCPH | CARROLL COMPANY, THE | | | SCAC3 |
| 15 | CCPH | CUSTOM CRAB POTS | | | SCAC4 |
| 16 | CCPI | CERESCORP INC | | | SCAC3 |
| 17 | CCPJ | C & C ENTERPRISES | | | SCAC3 |
| 18 | CCPJ | CENTRAL COAST PROVISIONS | | | SCAC4 |
| 19 | CCPK | CASTILLO COMPU-TECH INC | | | SCAC3 |
| 20 | CCPL | CASCI RENTAL AND TRANSPORT COMPANY OF CALIFORNIA | | | SCAC3 |
| 21 | CCPL | CORNWALL CONCRETE PRODUCTS LTD | | | SCAC4 |
| 22 | CCPM | CAMER CORPORATION | | | SCAC3 |
| 23 | CCPN | CORPUS CHRISTI TERMINAL RAILROAD, INC. | | | PWRC |
| 24 | CCPN | CORPUS CHRISTI TERMINAL RAILROAD IN | | | SCAC4 |
| 25 | CCPO | CARO-CRIS TRANSPORT INC | | | SCAC3 |
| 26 | CCPP | CALORIC CORPORATION | | | SCAC3 |
| 27 | CCPQ | COMMERCIAL CARTAGE CORPORATION | | | SCAC3 |
| 28 | CCPQ | C & C PORT SERVICES INC | | | SCAC4 |
| 29 | CCPR | Chelatchie Prairie R.R., Inc. | added 4/1982; eliminated 4/1987 | | NAKINA |
| 30 | CCPR | Chelatchie Prairie R.R., Inc. | added 4/82; eliminated 4/87 | | NRHS |
| 31 | CCPR | CHELATCHIE PRAIRIE RAILROAD | | | PWRC |
| 32 | CCPR | Chelatchie Prairie Railroad | | | RSRV |
| 33 | CCPR | C & L TRUCKING | | | SCAC3 |
| 34 | CCPS | CONCEPT PLASTICS INC | | | SCAC3 |
| 35 | CCPS | CCP ENTERPRISE LC | | | SCAC4 |
| 36 | CCPT | CANACO TRANSPORT | | | SCAC3 |
| 37 | CCPW | CUSTOM COACH OF PORTLAND | | | SCAC3 |
| 38 | CCPW | CUSTOM COACH OF PORTLAND | | | SCAC4 |
| 39 | CCPX | Canadian Chemical Producers' Association | added 1/1992; 1/1994-7/2000; eliminated 7/2001; 7/2005 (not listed) | | NAKINA |
| 40 | CCPX | Continental Chemical Products of Los Angeles, Inc. | added 4/1965; 7/1965-4/1970; eliminated 4/1972 | | NAKINA |
| 41 | CCPX | Crown Central Petroleum Corp. | 7/1930-1/1952; eliminated 7/1954 | | NAKINA |
| 42 | CCPX | Crown Central Petroleum Corp. | 4/38-1/52 | | NRHS |
| 43 | CCPX | Continental Chemical Products of Los Angeles, Inc. | added 4/65; 7/65-4/70; eliminated 4/72 | | NRHS |
| 44 | CCPX | Canadian Chemical Producers' Association | added 1/92; 1/94-7/2000; eliminated 7/2001 | | NRHS |
| 45 | CCPX | *CROWN CENTRAL PETROLEUM CORP. | | | PWRC |
| 46 | CCPX | *CONTINENTAL CHEMICAL PRODUCTS OF LOS ANGELES, INC. | | | PWRC |
| 47 | CCPX | +CANADIAN CHEMICAL PRODUCERS' ASSOCIATION | | | PWRC |
| 48 | CCPX | Canadian Chemical Producers | | | RSRV |
| 49 | CCPX | CONTINENTAL CHEMICAL PRODUCTS INC | | | SCAC3 |
| 50 | CCPX | CHEMISTRY INDUSTRY ASSOCIATION OF C | | | SCAC4 |
| 51 | CCPY | CARROLL COMPANY INC | | | SCAC3 |
| 52 | CCPZ | CILCO POWER | | | PWRC |