| 1 | WEI | Verkehrsbetrieb Weimar GmbH | City: Weimar | D | TRAFFIC |
| 2 | WEIA | WESTERN ENTERPIRSES INC | | | SCAC4 |
| 3 | WEIB | WOODGRAIN ENTERPRISES INC | | | SCAC4 |
| 4 | WEID | WEIDMAN, JOHN & SONS INC | | | SCAC4 |
| 5 | WEIDL | Erdbau & Abbruch Weidlich | | DE | VKM |
| 6 | WEIG | WEIGAND, A J INC | | | SCAC4 |
| 7 | WEIJ | WESTERN TRASPORTATION INC | | | SCAC4 |
| 8 | WEIK | WILCOX ELECTRIC INC | | | SCAC4 |
| 9 | WEIM | WEIMAR, J B INC | | | SCAC4 |
| 10 | WEIN | WEISS TRUCKING INC | | | SCAC4 |
| 11 | WEIQ | WHITNEY ENERGY INC | | | SCAC4 |
| 12 | WEIS | WEISBECK TRUCKING | | | SCAC4 |
| 13 | WEIT | WEILER, LARRY | | | SCAC4 |
| 14 | WEIU | TRILLIUM FLOW TECHNOLOGIES | | F | BIC |
| 15 | WEIV | WRIGHT'S EXCAVATING INC | | | SCAC4 |
| 16 | WEIW | WILLIAMS EXPRESS INC | | | SCAC4 |
| 17 | WEIX | Wilbur-Ellis Co. | added 4/1980; 1/1994; 7/2000-7/2005 (not listed) | | NAKINA |
| 18 | WEIX | Wilbur-Ellis Co. | added 4/80; 1/94-7/2000 | | NRHS |
| 19 | WEIX | WILBUR ELLIS COMPANY | | | PWRC |
| 20 | WEIX | Wilbur-Ellis | | | RSRV |
| 21 | WEIX | WILBUR ELLIS COMPANY | | | SCAC4 |
