| 1 | CWC | Centurion Air Cargo, Inc. | IATA: WE, Callsign: Challenge Cargo, IATA Prefix: 307, AOC surrendered in June 2018. Name changed from Challenge Air Cargo Inc w.e.f. 20 July 2001. Desginator WE reinstated by IATA | USA | AVCODES |
| 2 | CWC | Challenge Air Cargo, Inc. | IATA: WE, Callsign: Challenge Cargo, IATA Prefix: 307, Name changed to Centurion Air Cargo Inc. w.e.f. 20 July 2001. | USA | AVCODES |
| 3 | CWC | Challenge Air Cargo, Inc. | IATA: GJ, Callsign: Challenge Cargo, IATA designator changed to WE. Founded on 08 November 1985. | USA | AVCODES |
| 4 | CWC | Centurion Air Cargo | IATA: WE | | ICAO1 |
| 5 | CWC | Seaboard Coast Line R.R. Co. (Charleston & Western Carolina) | 1/1975-1/1980 | | NAKINA |
| 6 | CWC | Seaboard Coast Line R.R. Co. (Charleston & Western Carolina) | 1/75-1/80 | | NRHS |
| 7 | CWC | SEABOARD COAST LINE RAILROAD CO. [CHARLESTON & WESTERN CAROLINA RY] | | | PWRC |
| 8 | CWC | Charleston & Western Carolina R.R. | | USA | TRAFFIC |
| 9 | CWCA | COLDWAY CARRIERS INC | | | SCAC3 |
| 10 | CWCA | CAN WEST COMPONENT SERVICES INC | | | SCAC4 |
| 11 | CWCA | Centurion Air Cargo | Real: CWC | USA | TRAFFIC |
| 12 | CWCB | CROWLEY CARIBBEN TRANSPORT | | | SCAC3 |
| 13 | CWCB | CONCEPTS WEST CORP | | | SCAC4 |
| 14 | CWCC | COMMONWEALTH CARRIER CORPORATION | | | SCAC3 |
| 15 | CWCC | COUSINS WASTE CONTROL LLC | | | SCAC4 |
| 16 | CWCD | CARR, B W | | | SCAC3 |
| 17 | CWCE | CON-WAY CENTRAL EXPRESS INC | | | SCAC3 |
| 18 | CWCE | CON-WAY FREIGHT CENTRAL (DIV OF CON | | | SCAC4 |
| 19 | CWCF | COUNTY WIDE CARTAGE | | | SCAC3 |
| 20 | CWCG | CALLAWAY CARTAGE INC | | | SCAC3 |
| 21 | CWCG | C2C GLOBAL LOGISTICS INC | | | SCAC4 |
| 22 | CWCH | CATAWESE COACH COMPANY | | | SCAC3 |
| 23 | CWCI | CROWE, MIC | | | SCAC4 |
| 24 | CWCJ | C TWO C (C2C) LOGISTICS | | | SCAC4 |
| 25 | CWCK | C W C TRUCKING COMPANY | | | SCAC3 |
| 26 | CWCK | COWBOY TRANSPORT INC | | | SCAC4 |
| 27 | CWCL | CORNWALL COAL & SUPPLY CO INC | | | SCAC3 |
| 28 | CWCL | CWC TRANSPORTATION LLC | | | SCAC4 |
| 29 | CWCM | CROWN CARRIERS INC | | | SCAC3 |
| 30 | CWCM | CAL WEST COMMODITIES INC | | | SCAC4 |
| 31 | CWCN | CWC LUMBER INC | | | SCAC3 |
| 32 | CWCN | CWC TRANSPORT INC | | | SCAC4 |
| 33 | CWCO | CHATTANOOGA WAREHOUSE AND COLD STOR | | | SCAC3 |
| 34 | CWCP | CASEWORKS CRATING AND | | | SCAC4 |
| 35 | CWCQ | C & W TRANSPORT CO | | | SCAC3 |
| 36 | CWCQ | COUNTRYWIDE CARRIERS INC | | | SCAC4 |
| 37 | CWCR | CHEWNING, C R INC | | | SCAC3 |
| 38 | CWCS | CREWS, CHARLES G & SONS INC | | | SCAC3 |
| 39 | CWCT | CWC TRANSPORTATION SERVICES LLC | | | SCAC4 |
| 40 | CWCU | CARGOAGROCOM LLC | | RUS | BIC |
| 41 | CWCV | COAST2COAST SERVICES INC | | | SCAC4 |
| 42 | CWCW | CAL-WEST COURIER SYSTEMS INC | | | SCAC3 |
| 43 | CWCX | Walter Haffner Co. | added 10/2003; 7/2005 | | NAKINA |
| 44 | CWCX | Southern Rail Leasing, Inc. | added 7/2003; eliminated 10/2003 | | NAKINA |
| 45 | CWCX | Canandaigua Wine Co., Inc. | added 10/1982; 1/1994-7/2000; eliminated 7/2003 | | NAKINA |
| 46 | CWCX | Canandaigua Wine Co., Inc. | added 10/82; 1/94-7/2000 | | NRHS |
| 47 | CWCX | *CANANDAIGUA WINE CO., INC. | | | PWRC |
| 48 | CWCX | +WALTER HAFFNER CO. [SOUTHERN RAIL LEASING, INC.] | | | PWRC |
| 49 | CWCX | Canandaigua Wine | | | RSRV |
| 50 | CWCX | WALTER HAFFNER CO | | | SCAC4 |
| 51 | CWCY | Caldwell County R.R. Co. | 7/2000; 7/2005 | | NAKINA |
| 52 | CWCY | Caldwell County R.R. Co. | Jul-00 | | NRHS |
| 53 | CWCY | CALDWELL COUNTY (NC)RAILROAD CO. | | | PWRC |
| 54 | CWCY | Caldwell County Railroad | | | RSRV |
| 55 | CWCY | CALDWELL COUNTY RAILROAD COMPANY | | | SCAC4 |
