Hein Electric Supply Company Southeastern Wisconsin's Largest Independent Electrical DistributorAbout UsHein Electric Supply is Southeast Wisconsin's largest independent electrical wholesale distributor. Since 1946, we have grown from our original branch on 6th & Wells in downtown Milwaukee, to 9 strategic locations throughout Southeastern Wisconsin including Grafton, West Bend, Brookfield, Oconomowoc, Pewaukee, Oak Creek, Waukesha, Milwaukee, and Waukesha.We would like to think that our commitment to quality and our ability to listen to our customer's wants and needs has earned us a unique position in the marketplace. We also would like to believe that being an independent distributor enables us to respond and react to your wants and needs on a much higher level than national chains located in other parts of the country or overseas.Our mission to provide the highest level of service, meeting your inventory needs and providing you with the best possible price is our daily commitment to you.