| 3001 | CCUO | CHICAGO-CHEMUNG RAILROAD CORP | | | SCAC3 |
| 3002 | CCUO | CHICAGO-CHEMUNG RAILROAD CORP | | | SCAC4 |
| 3003 | CCUP | CARDINAL MESSENGER SERVICE OF WESTC | | | SCAC3 |
| 3004 | CCUP | COUNTRY CLASSICS CUPOLAS | | | SCAC4 |
| 3005 | CCUQ | COASTAL COURIER INC | | | SCAC3 |
| 3006 | CCUQ | CC TRUCKING LLC | | | SCAC4 |
| 3007 | CCUR | CONTRACT COURIERS INC | | | SCAC3 |
| 3008 | CCUS | CONTRACT COURIER SERVICE | | | SCAC3 |
| 3009 | CCUS | COOPERATIVA CAMIONEROS UNIDOS DEL N | | | SCAC4 |
| 3010 | CCUT | CALCUT TRUCKING COMPANY | | | SCAC3 |
| 3011 | CCUU | M/S HIKARU SHIPPING LINE DMCC | | UAE | BIC |
| 3012 | CCUV | COMMERCIAL COURIER SERVICE | | | SCAC3 |
| 3013 | CCUV | COAST TO COAST USA NDE SERVICES LLC | | | SCAC4 |
| 3014 | CCUW | COPLEY COURIER SERVICE | | | SCAC3 |
| 3015 | CCUY | CUSTOM COURIER SYSTEM INC | | | SCAC3 |
| 3016 | CCV | Air-Alpes SA | Callsign: Air Valais, | CH | AVCODES |
| 3017 | CCV | Centro de Helicopteros Corporativos, S.A. de C.V. | Callsign: Helicorporativo, | MEX | AVCODES |
| 3018 | CCV | Centro De Helicopteros Corporativos | | | ICAO1 |
| 3019 | CCV | CRIPPLE CREEK & VICTOR | | | PWRC |
| 3020 | CCVA | CAPITOL CITY TOURS INC | | | SCAC3 |
| 3021 | CCVB | CAN-AR COACH SERVICE | | | SCAC3 |
| 3022 | CCVC | CLEARY, CLEVELAND C | | | SCAC3 |
| 3023 | CCVC | CITADELLE CHEVROLET CADILLAC LTEE | | | SCAC4 |
| 3024 | CCVD | CONCORD TRANSPORTATION SERVICES INC | | | SCAC4 |
| 3025 | CCVE | CHARIOT COMPANIA NAVIERA SA, | | | SCAC3 |
| 3026 | CCVE | CCV TRANSPORT EXPRESS INC | | | SCAC4 |
| 3027 | CCVF | CARGO TRANSPORTERS INC (CONSOLIDATI | | | SCAC4 |
| 3028 | CCVG | C & C MOVING | | | SCAC3 |
| 3029 | CCVH | CONSTANCE, C V SCHEEPVAARTONDERNEMI | | | SCAC3 |
| 3030 | CCVH | CARROLL COMPANY, THE | | | SCAC4 |
| 3031 | CCVI | CON-CAR INC | | | SCAC3 |
| 3032 | CCVI | CHARTRAND, CALVIN TRUCKING | | | SCAC4 |
| 3033 | CCVL | CROSS COUNTRY VAN LINES LLC | | | SCAC4 |
| 3034 | CCVM | COLONIAL CONTAINER SERVICES INC | | | SCAC3 |
| 3035 | CCVN | CASINO CARAVANS INC | | | SCAC3 |
| 3036 | CCVO | CAVILL, WILLIAM & SON INC | | | SCAC3 |
| 3037 | CCVP | CORE CARRIER SERVICES INC | | | SCAC3 |
| 3038 | CCVP | CACERES V P TRANSPORT INC | | | SCAC4 |
| 3039 | CCVQ | CONCORD VAN & STORAGE | | | SCAC3 |
| 3040 | CCVQ | C & C SHIPPING AND MOVING INC | | | SCAC4 |
| 3041 | CCVR | CREST COMPANIA NAVIERA SA, | | | SCAC3 |
| 3042 | CCVR | CRITTER CLUB COVERS | | | SCAC4 |
| 3043 | CCVS | CONCEPT CONVENTION SERVICES INC | | | SCAC3 |
| 3044 | CCVS | C & C DELIVERY SERVICE | | | SCAC4 |
| 3045 | CCVT | C & C TRUCKING INC | | | SCAC3 |
| 3046 | CCVU | CARACAS CONTAINER INVERSIONS CA | | | SCAC3 |
| 3047 | CCVV | CIRCLE C VACUUM SERVICE INC | | | SCAC3 |
| 3048 | CCVW | CLARISSA, C V SCHEEPVAARTONDERNEMIN | | | SCAC3 |
| 3049 | CCW | Coptrade Air Transport | Callsign: Coptrade Air, | SUD | AVCODES |
| 3050 | CCW | Coptrade Air Transport | | | ICAO1 |
| 3051 | CCWA | COMMON CARRIERS INC | | | SCAC3 |
| 3052 | CCWB | C & C TRAILER TOWING LTD | | | SCAC3 |
| 3053 | CCWD | C & C TRANSPORTATION INC | | | SCAC3 |
| 3054 | CCWE | CONTINENTAL COMMERCIAL ENTERPRISES | | | SCAC3 |
| 3055 | CCWG | CLASSIC MOVING SYSTEMS INC | | | SCAC3 |
| 3056 | CCWG | CLASSIC MOVING SYSTEMS INC | | | SCAC4 |
| 3057 | CCWH | COASTAL CONNECT TRANSPORT LTD | | | SCAC4 |
| 3058 | CCWI | CALIFORNIA CROWN INDUSTRIES INC | | | SCAC3 |
| 3059 | CCWI | CALIFORNIA CROWN INDUSTRIES INC | | | SCAC4 |
| 3060 | CCWJ | CENTURY CONTAINERS TRANSPORT INC | | | SCAC4 |
| 3061 | CCWL | CALYPSO CONTAINER LINE MIAMI FL | | | SCAC3 |
| 3062 | CCWO | CRYSTAL CLEAR WATER CO | | | SCAC3 |
| 3063 | CCWR | COUNTRYSIDE CO-OP TRANSPORT OF WISC | | | SCAC4 |
| 3064 | CCWRO | Country Connect of Wrotham | | GB | TRAFFIC |
| 3065 | CCWS | CORNISH, CLARENCE WRECKER SERVICE | | | SCAC3 |
| 3066 | CCWV | CCC TRUCKING | | | SCAC3 |
| 3067 | CCWX | Coastal Chem, Inc. | 1/1994-7/2005 (not listed) | | NAKINA |
| 3068 | CCWX | California Consolidated Water Co. | 7/1935 | | NAKINA |
| 3069 | CCWX | California Consumers Co. (California Consolidated Water Co.) | 7/1937-4/1938 | | NAKINA |
| 3070 | CCWX | California Consolidated Water Co. | Apr-38 | | NRHS |
| 3071 | CCWX | Coastal Chem, Inc. | 1/94-7/2000 | | NRHS |
| 3072 | CCWX | *CALIFORNIA CONSUMERS CO. (CALIFORNIA CONSOLIDATED WATER CO.) | | | PWRC |
| 3073 | CCWX | +COASTAL CHEM, INC. | | | PWRC |
| 3074 | CCWX | Coastal Chem | | | RSRV |
| 3075 | CCWY | CAPITAL CONTAINERS | | | SCAC4 |
| 3076 | CCX | Colt International, Inc. | | USA | AVCODES |
| 3077 | CCX | Colt International | | | ICAO1 |
| 3078 | CCX | Columbian Chemicals Co., Wholly Owned Subsidiary of Phelps-Dodge Corp. | added 10/1987; 1/1994-7/2005 | | NAKINA |
| 3079 | CCX | Columbian Chemicals Co., Wholly Owned Subsidiary of Consolidated Mining & Industries, S.A. | added 1/1984; eliminated 10/1987 | | NAKINA |
| 3080 | CCX | Columbian Chemicals Co.—A Subsidiary of Cities Service Co. | added 1/1980; 1/1980; eliminated 1/1984 | | NAKINA |
| 3081 | CCX | Cities Service Co., Columbian Division | added 4/1979; eliminated 1/1980 | | NAKINA |
| 3082 | CCX | Cities Service Co. | added 4/1978; eliminated 4/1979 | | NAKINA |
| 3083 | CCX | Cities Service Co., Columbian Division | added 4/1970; 4/1970-1/1975; eliminated 4/1978 | | NAKINA |
| 3084 | CCX | Columbian Carbon Co. | 1/1941-4/1961; 7/1965-10/1966; eliminated 4/1970 | | NAKINA |
| 3085 | CCX | The Columbia Chemical Division (Pittsburgh Plate Glass Co.) | 7/1923 | | NAKINA |
| 3086 | CCX | The Columbia Chemical Co. | 8/1920 | | NAKINA |
| 3087 | CCX | Columbian Carbon Co. | 1/52-4/61; 7/65-10/66; eliminated 4/70 | | NRHS |
| 3088 | CCX | Cities Service Co., Columbian Division | added 4/70; 4/70-1/75; eliminated 4/78 | | NRHS |
| 3089 | CCX | Cities Service Co. | added 4/78; eliminated 4/79 | | NRHS |
| 3090 | CCX | Cities Service Co., Columbian Division | added 4/79; eliminated 1/80 | | NRHS |
| 3091 | CCX | Columbian Chemicals Co.--A Subsidiary of Cities Service Co. | added 1/80; 1/80 | | NRHS |
| 3092 | CCX | Columbian Chemicals Co., Wholly Owned Subsidiary of Consolidated Mining & Industries, S.A. | eliminated 10/87 | | NRHS |
| 3093 | CCX | Columbian Chemicals Co., Wholly Owned Subsidiary of Phelps-Dodge Corp. | added 10/87; 1/94-7/2000 | | NRHS |
| 3094 | CCX | COLUMBIAN CHEMICALS CO, WHOLLY OWNED SUB PHELPS DODGE | | | PWRC |
| 3095 | CCX | Columbian Chemicals | | | RSRV |
| 3096 | CCX | COLUMBIAN CHEMICALS CO, WHOLLY OWNE | | | SCAC4 |
| 3097 | CCXA | CLC TRANSPORT LLC | | | SCAC4 |
| 3098 | CCXC | CROSS COUNTRY CARRIERS | | | SCAC3 |
| 3099 | CCXC | CUSTOM CARRIERS XPRESS CO | | | SCAC4 |
| 3100 | CCXD | CC EXPRESS DELIVERY | | | SCAC3 |
