| 1 | CWT | ACT International Airlines Inc. d/b/a Texas Airways | Callsign: Texas Airways, | USA | AVCODES |
| 2 | CWT | Texas Airways | | | ICAO1 |
| 3 | CWTA | CRUISEWAY TRANSPORTATION INC | | | SCAC3 |
| 4 | CWTA | C & W TANK CLEANING CO INC | | | SCAC4 |
| 5 | CWTB | CRAWFORD TRUCK BROKERS INC | | | SCAC3 |
| 6 | CWTB | CRAWFORD TRUCK BROKERS INC | | | SCAC4 |
| 7 | CWTC | C & W TRANSPORTATION INC | | | SCAC4 |
| 8 | CWTD | COLDWAY TRUCK LINE INC | | | SCAC3 |
| 9 | CWTE | COMMONWEALTH TRAILER RENTALS INC | | | SCAC4 |
| 10 | CWTF | CASCADE WEST CARRIERS | | | SCAC3 |
| 11 | CWTF | C & W TRANSFER LLC | | | SCAC4 |
| 12 | CWTG | CORPREW, TIM TRUCKING INC | | | SCAC4 |
| 13 | CWTH | CROWN TRANSIT INC | | | SCAC3 |
| 14 | CWTI | COTTONWOOD TRUCKING CO | | | SCAC3 |
| 15 | CWTJ | C W TRANSPORTATION SERVICES | | | SCAC3 |
| 16 | CWTJ | CWT FARMS INTERNATIONAL INC | | | SCAC4 |
| 17 | CWTK | COOK, WAYNE TRUCKING CO INC | | | SCAC3 |
| 18 | CWTK | COOK, WAYNE TRUCKING CO INC | | | SCAC4 |
| 19 | CWTL | COLORADO WEST TRAVEL & TOURS | | | SCAC3 |
| 20 | CWTM | CROWN TRUCKING INC | | | SCAC3 |
| 21 | CWTM | CROWN TRUCKING INC | | | SCAC4 |
| 22 | CWTN | COWBOY TRANSPORTATION CO | | | SCAC3 |
| 23 | CWTN | C W T CONTAINERS TRANSPORT INC | | | SCAC4 |
| 24 | CWTO | C W TRUCKING | | | SCAC4 |
| 25 | CWTP | C W TRANSPORTATION | | | SCAC3 |
| 26 | CWTP | COACHWEST TRANSPORTATION INC | | | SCAC4 |
| 27 | CWTQ | CHARTER WAREHOUSE TRUCK | | | SCAC3 |
| 28 | CWTQ | CWT INC | | | SCAC4 |
| 29 | CWTR | CLARK, WM J TRUCKING SERVICE INC | | | SCAC3 |
| 30 | CWTR | CORNWALL TRUCK RENTAL LIMITED | | | SCAC4 |
| 31 | CWTS | COUNTRY WIDE TRUCK SERVICE INC | | | SCAC3 |
| 32 | CWTS | CENTRAL WYOMING TRANSPORTATION | | | SCAC4 |
| 33 | CWTU | CARGOSTORE WORLDWIDE TRADING LIMITED | | GB | BIC |
| 34 | CWTU | CAWOODS CONTAINERS LTD | | | SCAC3 |
| 35 | CWTV | CIRCLE W TRANSPORT | | | SCAC4 |
| 36 | CWTW | COWBOY TRANSPORTATION INC (WY CORP) | | | SCAC3 |
| 37 | CWTW | C W TRANSPORT INC | | | SCAC4 |
| 38 | CWTX | ChemWest Industries, Inc. | 1/1994-7/2005 | | NAKINA |
| 39 | CWTX | Chem West Industries, Inc. | added 4/1981 | | NAKINA |
| 40 | CWTX | Chemwest Industries, Inc. | eliminated 4/1992 | | NAKINA |
| 41 | CWTX | Chicago Freight Car Leasing Co. | added 7/1959; 4/1961-1/1975; eliminated 4/1978 | | NAKINA |
| 42 | CWTX | Central West Refrigerator Despatch Co. | added 4/1955; 10/1957; eliminated 7/1959 | | NAKINA |
| 43 | CWTX | Central West Refrigerator Despatch Co. | added 4/55; 10/57; eliminated 7/59 | | NRHS |
| 44 | CWTX | Chicago Freight Car Leasing Co. | added 7/59; 4/61-1/75; eliminated 4/78 | | NRHS |
| 45 | CWTX | Chem West Industries, Inc. | added 4/81 | | NRHS |
| 46 | CWTX | Chemwest Industries, Inc. | eliminated 4/92 | | NRHS |
| 47 | CWTX | ChemWest Industries, Inc. | 1/94-7/2000 | | NRHS |
| 48 | CWTX | *CHICAGO FREIGHT CAR LEASING CO. [CENTRAL WEST REFRIGERATOR DESPATCH CO.] | | | PWRC |
| 49 | CWTX | +CHEMWEST INDUSTRIES INC. | | | PWRC |
| 50 | CWTX | ChemWest Industries | | | RSRV |
| 51 | CWTY | COASTWAY TRANSPORTATION INC | | | SCAC4 |
| 52 | CWTZ | CON-WAY TRUCKLOAD SERVICES | | | PWRC |
| 53 | CWTZ | Con-Way Truckload Services | | | RSRV |
