| Wyandot, Inc. ( Marion, OH ) | Wyckoff Chemical Company, Inc. ( South Haven, MI ) | Wyeth ( Madison, NJ ) |
| Wyandotte Paint Products ( Troy, MI ) | Wycoff; Keith H. ( Lexington, NE ) | Wyeth ( Madison, NY ) |
| Wyandotte Paint Products Company ( Troy, MI ) | Wydick; Bethanie K. ( Columbus, OH ) | WYETH ( Madison, PA ) |
| Wyant Company Limited( Lachine ) | Wyerhaeuser Company ( Tacoma, WA ) | Wyeth ( Madison, WI ) |
| Wyant Company Limited( St-Laurent ) | Wyeth | Wyeth ( Msdison, NJ ) |
| Wyant & Company Limited ( Lachine, CA ) | WYETH( CA ) | Wyeth ( NJ, Biotica Technology Limited ) |
| Wyant and Company Limited( Lachine ) | Wyeth( IN ) | Wyeth ( Orangeburg, NY ) |
| Wyant Peter M. ( Gardena, CA ) | Wyeth( MI ) | Wyeth ( Philadelphia, PA ) |
| Wyard Industries, Inc. ( Forest Lake, MN ) | Wyeth( WI ) | Wyeth ( San Diego, CA ) |
| Wyatt Chris Roger ( Ocean View, DE ) | WYETH ( 07940, VIROPHARMA INCORPORATED ) | Wyeth ( Siena Biotech S.p.A., Siena ) |
| Wyatt Group, Inc. ( Greenfield, IN ) | Wyeth ( Cambridge, MA ) | Wyeth ( Southfield, MI ) |
| Wyatt Technology Corporation | Wyeth ( Collegeville, PA ) | WYETH ( WALTHAM, MA ) |
| Wyatt Technology Corporation ( Santa Barbara, CA ) | Wyeth ( Dublin City University, Glasnevin ) | Wyeth ( Woburn, MA ) |
| Wyatt; Danny R. ( Carthage, MO ) | Wyeth ( Exton, PA ) | Wyeth - Fort Dodge Laboratories ( Fort Dodge, IA ) |
| Wybenga Machines B.V. | Wyeth ( Five Giralda Farms, Madison ) | Wyeth (formerly American Home Products Corporation) ( Madison, NJ ) |
| WYBENGA MACHINES B.V. ( Enschede, NL ) | Wyeth ( Madiosn, NJ ) | Wyeth and Fidia Advanced Biopolymers, S.R.L. |
| Wybron, Inc. ( Colorado Springs, CO ) | Wyeth ( Madison, MI ) | |
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