| 1 | WER | WISCONSIN ELECTRICAL RAILROAD HISTORICAL SOCIETY | | | PWRC |
| 2 | WERB | WERSE BEREEDERUNG | | | SCAC4 |
| 3 | WerBH | Werne-Bockum-Höveler Eisenbahn | Gladbeck | D | privat-bahn.de |
| 4 | WERC | WEST END CONRAIL | | | PWRC |
| 5 | WERD | WIDER CONSOLIDATED INC | | | SCAC4 |
| 6 | WERG | Werners Gartenbahn | City: Löbau | D | TRAFFIC |
| 7 | WERM | WERMUTH & CAHOON MOVING & STORAGE C | | | SCAC4 |
| 8 | WERN | WERNER TRANSPORTATION INC | | | SCAC4 |
| 9 | WERO | WALL, ERNESTO | | | SCAC4 |
| 10 | WERT | WEBSTER TRUCKING INC | | | SCAC4 |
| 11 | WERU | WERNER ENTERPRISES INC | | | SCAC4 |
| 12 | WERV | WE R DRAYAGE | | | SCAC4 |
| 13 | WERX | Western Oil Refining Co. | 7/1923 | | NAKINA |
| 14 | WERX | Western Railroads, Inc. | 7/2005 (not listed) | | NAKINA |
| 15 | WERX | *WESTERN OIL REFINING CO. | | | PWRC |
| 16 | WERX | +WESTERN RAILROADS, INC. | | | PWRC |
| 17 | WERX | Western Railroads | | | RSRV |
| 18 | WERX | WESTERN RAILROADS INC | | | SCAC4 |
| 19 | WERZ | WERNER ENTERPRISES, INC. | | | PWRC |
| 20 | WERZ | Werner Enterprises | | | RSRV |
| 21 | WERZ | WERNER ENTERPRISES | | | SCAC4 |
