| ECW | Eastern Championship Wrestling 
| Others |
| ECW | Eastern Coach Works
| Others |
| ECW | Education Cannot Wait
| Others |
| ECW | Electric Control Wiper
| Others |
| ECW | Electronic Controlled Weapon
| Others |
| ECW | Ellensburg Canyon Winery
| Others |
| ECW | Emma Clarkson Webb
| Others |
| ECW | Enameled Copper Wire
| Others |
| ECW | Energy Center of Wisconsin
| Others |
| ECW | Energy Creating Workers
| Others |
| ECW | Engine Check Warning
| Others |
| ECW | Enhanced Compressed Wavelet
| Others |
| ECW | Enhanced Compression Wavelet
| Others |
| ECW | Environmental Computing Workshop
| Others |
| ECW | Episcopal Church Women
| Others |
| ECW | Equipping Christian Witnesses
| Others |
| ECW | Europe Code Week
| Others |
| ECW | European Central Warehouse
| Others |
| ECW | European Company Watch
| Others |
| ECW | Every Chick Welcome
| Others |
| ECW | Every Customer Welcome
| Others |
| ECW | Exceptional Circumstance Withdrawal
| Others |
| ECW | Executive Champions Workshop
| Others |
| ECW | Expanded Constituency Workshops
| Others |
| ECW | Extended Car Warranty
| Others |
| ECW | Extreme Championchip Wrestling
| Others |
| ECW | Extreme Championship Wrestling
| Others |
| ECW | Extreme Cold Weather
| Others |
| ECW | Extreme Comet Worship
| Others |
| ECW | Extremely Classy Wrestling
| Others |
| ECW | Extremely Cold Weather
| Others |
| ECW | Extremely Crappy Wrestling
| Others |
| ECW | Extremely Crazy White
| Others |
| ECW | Extremely Crying Wrestlers
| Others |
| ECW | Extremly Crappy Wrestling
| Others |