| 1 | CWA | Air Continental Ltd. | IATA: CW, Callsign: Aircontinental, | GB | AVCODES |
| 2 | CWA | Canada West Air Ltd. | Callsign: Canada West, | CDN | AVCODES |
| 3 | CWA | Canadian Western Airlines, Inc. | IATA: W2, Callsign: Canada Western, Founded in 2002. Ceased operations in 2004. | CDN | AVCODES |
| 4 | CWA | Can West Corporate Air Charters Ltd. | Callsign: Can West, | CDN | AVCODES |
| 5 | CWA | Canadian Western Airlines | IATA: W2 | | ICAO1 |
| 6 | CWA | Central Washington R.R. Co. | 7/2005 | | NAKINA |
| 7 | CWA | CENTRAL WASHINGTON RAILROAD CO. | | | PWRC |
| 8 | CWA | CENTRAL WASHINGTON RAILROAD COMPANY | | | SCAC4 |
| 9 | CWAA | CENTRAL WISCONSIN AUTO AUCTION INC | | | SCAC3 |
| 10 | CWAC | C & C TRUCKING | | | SCAC3 |
| 11 | CWAD | CONNER WAREHOUSING & DISTRIBUTION | | | SCAC3 |
| 12 | CWAE | CHIPPEWA AIR EXPRESS INC | | | SCAC3 |
| 13 | CWAG | CWA FREIGHT SYSTEMS INC | | | SCAC3 |
| 14 | CWAG | Cargowaggon | | EU | TRAFFIC |
| 15 | CWAH | CRUISE, WAYNE H TRUCK LINE | | | SCAC3 |
| 16 | CWAK | COUNTRY WIDE MOVING & STORAGE INC | | | SCAC4 |
| 17 | CWAL | CARLEN, WALTER L | | | SCAC3 |
| 18 | CWAM | COWAN TRANSPORTATION INC | | | SCAC3 |
| 19 | CWAM | CAUSEWAY MARINE LLC | | | SCAC4 |
| 20 | CWAN | CONAWAY TRUCKING & RACING LLC | | | SCAC4 |
| 21 | CWAO | CATHERWOOD, ALBERT | | | SCAC3 |
| 22 | CWAO | CORNWALL ROOF TRUSS LTD | | | SCAC4 |
| 23 | CWAP | CAMWAY TRANSPORTATION CORPORATION | | | SCAC3 |
| 24 | CWAQ | COMMONWEALTH WAREHOUSE & TRUCKING I | | | SCAC3 |
| 25 | CWAQ | COMMONWEA | | | SCAC4 |
| 26 | CWAR | CRISTINA WAREHOUSE CO INC | | | SCAC3 |
| 27 | CWAS | COWAN SYSTEMS LLC | | | SCAC4 |
| 28 | CWAT | CRESTWAY TRANSPORTATION | | | SCAC3 |
| 29 | CWAU | CHS | | | RSRV |
| 30 | CWAV | CALIFORNIA WAVES | | | SCAC4 |
| 31 | CWAW | COWAN SYSTEMS LLC (BROKERAGE DIV) | | | SCAC4 |
