| Abbreviation | Definition |
|---|---|
| WEPX | Wisconsin Electric Power |
| WEPX | Wisconsin Electric Power Company |
| WERX | Western Railroads |
| WERZ | Werner Enterprises |
| WERZ | Werner Enterprises Incorporated |
| WESTCOPA | West Central Ohio Port Authority |
| WESX | Westar Timber (BC Timber) |
| WESX | Westar Timber Limited |
| WETZ | West East Transport |
| WETZ | West East Transport Company |
| WEYU | Weyerhaeuser |
| WEYU | Weyerhauser Company |
| WFAX | Western Fuels Association |
| WFAX | Western Fuels Association Incorporated |
| WFCX | Western Farmers Electric Cooperative |
| WFE | Western Fruit Express (BNSF Railway) |
| WFHU | Waterfront Container Leasing |
| WFHU | Waterfront Container Leasing Co., Inc. |
| WFIX | General Electric Railcar Services Corporation |
| WFIX | WFIX Partners (First Union Rail) |