| 1 | CDL | CC AIR, Inc. | IATA: ED, Callsign: Carolina, IATA Prefix: 354, Name changed from Sunbird Airlines, Inc. Designator ED recalled by IATA | USA | AVCODES |
| 2 | CDL | Sunbird Airlines, Inc. | Callsign: Carolina, Name changed to CC AIR, Inc. | USA | AVCODES |
| 3 | CDL | CC AIR, Inc. | Callsign: Carolina, IATA Prefix: 354, Name changed to CC AIR, Inc. d/b/a US Airways Express. Designator ED recalled by IATA | USA | AVCODES |
| 4 | CDL | CC AIR, Inc. d/b/a US Airways Express | Callsign: Carolina, Founded in 1987. Ceased operations on 04 November 2002. Name changed from CC AIR, Inc. Designator ED recalled by IATA | USA | AVCODES |
| 5 | CDL | Sunbird Airlines, Inc. | Callsign: Carolina, Name changed from CC AIR, Inc. d/b/a US Airways Express. | USA | AVCODES |
| 6 | CDL | Sunbird Airlines | | | ICAO1 |
| 7 | CDLA | CTS OF DETROIT LAKES INC | | | SCAC4 |
| 8 | CDLD | COLDPORT LTD | | | SCAC3 |
| 9 | CDLE | CLOVERDALE TRANSPORTATION COMPANY | | | SCAC3 |
| 10 | CDLF | CAIN, DALE TRUCKING | | | SCAC3 |
| 11 | CDLF | CASA DEL FOCLOR MEXICO | | | SCAC4 |
| 12 | CDLG | CONKER DRAYAGE LLC | | | SCAC4 |
| 13 | CDLH | CARPE DIEM LLAMAS | | | SCAC4 |
| 14 | CDLI | COMMERCIAL DELIVERIES OF TULSA INC | | | SCAC3 |
| 15 | CDLJ | C & D LEASING | | | SCAC3 |
| 16 | CDLK | COLEMAN TRANSPORTATION INC | | | SCAC3 |
| 17 | CDLK | CORNICK, DAVID LEROY AND J DOLORES | | | SCAC4 |
| 18 | CDLL | CADDELL, M N TRUCKING | | | SCAC3 |
| 19 | CDLM | CADILLAC MOVERS INC | | | SCAC3 |
| 20 | CDLN | CONSODEL INC | | | SCAC3 |
| 21 | CDLN | CEDARLANE LABORATORIES LIMITED | | | SCAC4 |
| 22 | CDLO | CARDINAL MOVING & STORAGE INC | | | SCAC3 |
| 23 | CDLO | CARDINALE MOVING & STORAGE INC | | | SCAC4 |
| 24 | CDLP | CADILLAC LIMOUSINE SERVICE INC | | | SCAC3 |
| 25 | CDLQ | CITY DRAY LINE | | | SCAC3 |
| 26 | CDLR | C & L TRUCKING | | | SCAC3 |
| 27 | CDLS | CADILLAC MOVING & STORAGE | | | SCAC3 |
| 28 | CDLS | CANADA LIVE BAIT SUPPLY | | | SCAC4 |
| 29 | CDLU | PT CENDANAWATI LOGISTIK INDONESIA | | RI | BIC |
| 30 | CDLU | CONCORDE LINE CENTRAL AMERICAN SERVICE | | | SCAC3 |
| 31 | CDLU | CONCORDE LINE CENTRAL AMERICAN | | | SCAC4 |
| 32 | CDLV | CAREYS DELIVERY SERVICE | | | SCAC3 |
| 33 | CDLW | CAUDILL, WARNELL | | | SCAC3 |
| 34 | CDLX | General American Transportation Corp. | added 4/1953; 7/1954-10/1957; eliminated 7/1961 | | NAKINA |
| 35 | CDLX | California Dispatch Line | 8/1920-1/1952; eliminated 4/1953 | | NAKINA |
| 36 | CDLX | California Dispatch Line | 4/38-1/52 | | NRHS |
| 37 | CDLX | General American Transportation Corp. | Oct-57 | | NRHS |
| 38 | CDLX | (GATC) CALIFORNIA CHEMICAL DIV. OF WILSON & CO. [CALIFORNIA DISPATCH LINE] | | | PWRC |
| 39 | CDLX | California Dispatch Line | | USA | TRAFFIC |
| 40 | CDLY | C & D LEASING CO INC | | | SCAC3 |
| 41 | CDLZ | CARDINAL FREIGHT CARRIERS | | | PWRC |
| 42 | CDLZ | Cardinal Freight Carriers | | | RSRV |
| 43 | CDLZ | CARDINAL FREIGHT CARRIERS | | | SCAC4 |
