| Company | Category | Area | Address | Web | E-mail | Contact person |
| WILLIS TOOL | Tool & Die Makers | Michigan | 2250 E 9 MILE RD, WARREN, Macomb, Michigan, 48091-2144, USA |
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Jon Powers |
| WILLIS WILLIAM & ASSOC CPA | Accounting/auditing/bookkeepin | Michigan | 1000 JOHN R RD, TROY, Oakland, Michigan, 48083-4317, USA |
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William Willis |
| WILLISON HELLMAN | Legal Services | Michigan | 44 GRANDVILLE AVE SW, GRAND RAPIDS, Kent, Michigan, 49503-4083, USA |
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STEPHEN WILLISON |
| WILLISON INSURANCE | Insurance | Michigan | 111 E CHICAGO ST, BRONSON, Branch, Michigan, 49028-1314, USA |
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| WILLISON INSURANCE | Insurance | Michigan | 111 E CHICAGO ST, BRONSON, Branch, Michigan, 49028-1314, USA |
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