| 1 | CCD | Carlos Cervantes Del Rio | Callsign: Carlos Cervantes, | MEX | AVCODES |
| 2 | CCD | Cascade Airways | Callsign: Cascade, | USA | AVCODES |
| 3 | CCD | Dalian Airlines Co., Ltd. | Founded in 2011. Commenced operations on 26 December 2011. | PRC | AVCODES |
| 4 | CCD | The Colorado Springs & Cripple Creek District Ry. (Colorado Springs & Cripple Creek R.R.) | 7/1923 | | NAKINA |
| 5 | CCD | The Colorado Springs & Cripple Creek District Ry. (Colorado Springs & Cripple Creek R.R.) | 23-Jul | | NRHS |
| 6 | CCD | COLORADO SPRINGS & CRIPPLE CREEK DISTRICT RWY. | | | PWRC |
| 7 | CCDA | COASTAL CONNECTION | | | SCAC3 |
| 8 | CCDA | CROSS CANADA AUTO BODY SUPPLY | | | SCAC4 |
| 9 | CCDB | CROSS COUNTRY DISTRIBUTORS INC | | | SCAC3 |
| 10 | CCDB | CROSS CREEK DISTRIBUTORS INC | | | SCAC4 |
| 11 | CCDC | C C C | | | SCAC3 |
| 12 | CCDC | C C C | | | SCAC4 |
| 13 | CCDD | C & S CPT DISTRIBUTION INC | | | SCAC3 |
| 14 | CCDE | C CARL DELIVERY SERVICE | | | SCAC3 |
| 15 | CCDE | COLLECTION CONRAD C | | | SCAC4 |
| 16 | CCDG | COAST TO COAST DISTRIBUTING INC | | | SCAC3 |
| 17 | CCDH | CONCORD CARTAGE AND DISTRIBUTION | | | SCAC3 |
| 18 | CCDI | C & C DELIVERY INC | | | SCAC3 |
| 19 | CCDI | CURTIS CANADA INC | | | SCAC4 |
| 20 | CCDJ | COMMODITY CARRIERS INC | | | SCAC3 |
| 21 | CCDK | NORTH AMERICAN SHIP AGENCIES, INC. | | | SCAC3 |
| 22 | CCDL | COASTAL COURIER DELIVERY SERVICE IN | | | SCAC3 |
| 23 | CCDM | COMPLETE CRATING & CARTAGE CORP | | | SCAC3 |
| 24 | CCDM | COURIER COMPANY, THE | | | SCAC4 |
| 25 | CCDN | CAPE COD OIL | | | SCAC4 |
| 26 | CCDO | CONTRACT CARRIER DIVISION (DIV OF C | | | SCAC3 |
| 27 | CCDP | CIRCLE CITY DISPATCH INC | | | SCAC3 |
| 28 | CCDP | CROSS COUNTRY TRANSPORT INC | | | SCAC4 |
| 29 | CCDQ | CRESCENT CITY DRYAGE INC | | | SCAC3 |
| 30 | CCDQ | CUES CANADA INC | | | SCAC4 |
| 31 | CCDR | CHARTER COORDINATORS | | | SCAC3 |
| 32 | CCDS | C & C DISTRIBUTORS INC | | | SCAC3 |
| 33 | CCDS | CCD CONSULTING | | | SCAC4 |
| 34 | CCDT | CIRCLE D TRANSPORTATION | | | SCAC3 |
| 35 | CCDT | CASCADE WEST LLC | | | SCAC4 |
| 36 | CCDU | CONRO CONTAINER GMBH | | D | BIC |
| 37 | CCDU | CONTAINER COMPANY AMSTERDAM | | | SCAC3 |
| 38 | CCDU | CONTAINER COMPANY AMSTERDAM | | | SCAC4 |
| 39 | CCDV | CENTRAL CONTROL DELIVERY | | | SCAC3 |
| 40 | CCDV | CENTRAL CONTROL DELIVERY | | | SCAC4 |
| 41 | CCDW | CONCORD TANKER S A | | | SCAC3 |
| 42 | CCDW | CHRISTIAN, CARL TRUCKING LLC | | | SCAC4 |
| 43 | CCDX | Dayton Power and Light Co. | added 4/1978; 1/1980-1/1994; eliminated 10/1998; 7/2000-7/2005 | | NAKINA |
| 44 | CCDX | Co-Operative Creameries Dairy Line | 7/1932 | | NAKINA |
| 45 | CCDX | Dayton Power and Light Co. | added 4/78; 1/80-1/94; eliminated 10/98; 7/2000 | | NRHS |
| 46 | CCDX | *CO-OPERATIVE CREAMERIES DAIRL LINE | | | PWRC |
| 47 | CCDX | +DAYTON POWER & LIGHT COMPANY | | | PWRC |
| 48 | CCDX | Co-operative Creameries Dairy Line (Dayton Power and Light) | | | RSRV |
| 49 | CCDY | C & C DELIVERY SYSTEMS | | | SCAC3 |
