Our History

Allied Insulation Supply was founded in Milwaukee, Wisconsin in 1969 by Jack and Shirli Flack and continues to be a family run company. Allied distributes insulation material for the professional, residential, commercial, mechanical, industrial and marine industries. It operates throughout the upper Midwest with warehouses in Milwaukee and Wausau, Wisconsin, Davenport, Iowa, and Omaha, Nebraska. Since its beginning, Allied has focused on being a full-line distributor of insulation products and accessories. Our complete line of products meets the needs of applications from -300 to 3,000 deg Fahrenheit. Our family philosophy is to provide high quality products, at competitive prices, with outstanding customer service. We are committed to long-lasting relationships while meeting and exceeding your expectations.