AMERICAN STONE-MIX INC · MENOMONEE FALLS, WIActiveINPRO CORP · MENOMONEE FALLS, WIActiveT J HALE CO · MENOMONEE FALLS, WIActiveVOLLRATH CO LLC · MENOMONEE FALLS, WIInactive
Source: U.S. EPA Toxic Release Inventory. Registration does not by itself indicate a health hazard.