| Company | Category | Area | Address | Web | E-mail | Contact person |
| DEFOREST LIONS CLUB INC | Civic/social Association | Wisconsin | 617 RUSSELL ST, DE FOREST, Dane, Wisconsin, 53532-1226, USA |
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Erling Isely |
| DEFOREST PIANO SVC | Pianos | Wisconsin | 7050 LAKE RD, DE FOREST, Dane, Wisconsin, 53532-1706, USA |
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| DEFOREST TOWN SQUARE | Apartment Bld Opers | Wisconsin | 125 E HOLUM ST, DE FOREST, Dane, Wisconsin, 53532-1174, USA |
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| DEFOREST TOWN SQUARE | Unclassified | Wisconsin | 125 E HOLUM ST, DE FOREST, Dane, Wisconsin, 53532-1174, USA |
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| DEFOREST YOUTH FOOTBALL | Sports Club/manager/promoter | Wisconsin | 724 ACKER PKWY, DE FOREST, Dane, Wisconsin, 53532-1149, USA |
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Eric Deasley |
| DEFORREST PHARMACY | Ret Drugs/sundries Ret Gifts/n | Wisconsin | 645 S MAIN ST, DE FOREST, Dane, Wisconsin, 53532-1421, USA |
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Matt Mabie |
