| 1 | EWS | Enterprise World Airways | Callsign: World Enterprise, | ZRE | AVCODES |
| 2 | EWS | East West Airlines | Callsign: East West, | SYR | AVCODES |
| 3 | EWS | Enterprise World Airways | | | ICAO1 |
| 4 | EWS | English Welsh and Scottish Railways | English, Welsh and Scottish Railway (EWS) is the largest British rail freight company. Created as a subsidiary of Wisconsin Central Ltd in 1996, it was acquired by Canadian National Railway when it bought Wisconsin Central in 2001. | GB | TRAFFIC |
| 5 | EWS | English Welsh and Scottish Railway International Limited | | UK | VKM |
| 6 | EWSE | EXPRESS WAREHOUSE SERVICES | | | SCAC4 |
| 7 | EWSH | EASTWOOD SHIPPING CORP MONROVIA LIB | | | SCAC3 |
| 8 | EWSI | EASTWAY WRECKER SERVICE INC | | | SCAC3 |
| 9 | EWSI | ENVIRO WEST INC | | | SCAC4 |
| 10 | EWSL | EDWARDSVILLE SERVICE LINES CO | | | SCAC3 |
| 11 | EWSN | E W S TRANSPORTATION | | | SCAC4 |
| 12 | EWSQ | EAST-WEST SHIPPERS ASSOCIATION | | | SCAC3 |
| 13 | EWSU | ENGLISH WELSH & SCOTTISH RAILWAY LT | | | SCAC4 |
| 14 | EWSX | Indianapolis Power & Light Co. | added 4/1973; 1/1975-7/2000; eliminated 10/2002; 7/2005 (not listed) | | NAKINA |
| 15 | EWSX | Indianapolis Power & Light Co. | added 4/73; 1/75-7/2000 | | NRHS |
| 16 | EWSX | INDIANAPOLIS POWER & LIGHT CO | | | PWRC |
| 17 | EWSX | Indianapolis Power and Light | | | RSRV |
| 18 | EWSX | INDIANAPOLIS POWER & LIGHT CO | | | SCAC4 |
| 19 | EWSY | EVERLAST WALL SYSTEMS | | | SCAC4 |
