| 1 | CND | Concord Airlines Nigeria Limited | Callsign: Air Concord, | WAN | AVCODES |
| 2 | CND | Aero Continente Dominicana | IATA: 9D, Callsign: Condominicana, Designator 9D recalled by IATA | DOM | AVCODES |
| 3 | CND | Corendon Dutch Airlines | IATA: CD, Callsign: Dutch Corendon, IATA Prefix: 503, | NL | AVCODES |
| 4 | CND | Aero Continente Dominicana | | | ICAO1 |
| 5 | CNDA | CONDOR AIR CARGO INC | | | SCAC3 |
| 6 | CNDA | CANADA DRAYAGE INC | | | SCAC4 |
| 7 | CNDB | CENTRAL DISTRIBUTORS INC | | | SCAC3 |
| 8 | CNDC | C & D CARTAGE | | | SCAC3 |
| 9 | CNDD | CONARD LOGISTICS INC | | | SCAC4 |
| 10 | CNDE | CONTRACT DELIVERY, INC | | | SCAC3 |
| 11 | CNDE | CANADIAN ENGINEERING & TOOL CO LTD | | | SCAC4 |
| 12 | CNDG | C & D CONTRACTING | | | SCAC3 |
| 13 | CNDG | CANDUS TRANSPORTATION SYSTEMS INC | | | SCAC4 |
| 14 | CNDH | CANADA BROACH | | | SCAC4 |
| 15 | CNDI | C & D FUEL CO INC | | | SCAC3 |
| 16 | CNDJ | C D TRANSPORTATION SERVICE INC | | | SCAC3 |
| 17 | CNDJ | CENTRAL FREIGHT LINES INC (TRUCKLOA | | | SCAC4 |
| 18 | CNDL | CONTROLLED DELIVERY SERVICE INC | | | SCAC3 |
| 19 | CNDM | CANADIAN MODULAR TRANSPORT INC | | | SCAC3 |
| 20 | CNDN | C & D TRUCKING | | | SCAC3 |
| 21 | CNDN | C & D TRUCKING, INC. | | | SCAC4 |
| 22 | CNDO | C & D CARTAGE | | | SCAC3 |
| 23 | CNDO | C A N DO TRUCKING CO INC | | | SCAC4 |
| 24 | CNDP | C & D TRUCKING | | | SCAC3 |
| 25 | CNDP | CANADIAN PRIDE FREIGHT INC | | | SCAC4 |
| 26 | CNDQ | C AND D WAREHOUSE | | | SCAC3 |
| 27 | CNDR | CONDOR CORPORATION | | | SCAC3 |
| 28 | CNDR | CONDER TRUCKING INC | | | SCAC4 |
| 29 | CNDS | C & D SERVICE, INC | | | SCAC3 |
| 30 | CNDS | CONCORD COLONY FARMS LTD | | | SCAC4 |
| 31 | CNDT | C & D TRANSPORTATION CO INC | | | SCAC3 |
| 32 | CNDT | CONSOLIDATED TRUCKING INC | | | SCAC4 |
| 33 | CNDU | CEGELEC GMBH & CO KG | | | SCAC4 |
| 34 | CNDV | CONNELLY DELIVERY SERVICE | | | SCAC3 |
| 35 | CNDW | CONSOLIDATED WHOLESALE | | | SCAC3 |
| 36 | CNDX | Connecticut Dept. of Transportation | 7/2000 (not listed) | | NAKINA |
| 37 | CNDX | Connecticut Dept. of Transportation | Jul-00 | | NRHS |
| 38 | CNDX | CONNECTICUT DEPT. OF TRANSPORTATION | | | PWRC |
| 39 | CNDX | Connecticut Department of Transportation | | | RSRV |