Allied Insulation Supply

315 North 12th Street
Milwaukee, WI 53233


Distribution is our business, our only business. Allied Insulation Supply is a leading distributor with over 40 years of expertise in the insulation industry. With over 250,000 square feet of warehouse space between our four locations, we are the Midwest's largest stocking distributor of insulation materials. We have accomplished long-term success through maintaining customer satisfaction by accentuating our services and expressing our commitment to our customers and their needs. Allied offers a variety of services to help your business become more effective and efficient. We are experts in residential, industrial, commercial, acoustical, marine and OEM insulation products, totaling over 150 years of sales experience. Our staff will work with you to determine the ideal product type and quantities for your application. Our sales engineers have the technology and ability to calculate heat loss/gains for industrial, commercial, residential and refrigeration applications. We also measure noise levels for sound control applications and offer a wide array of fabrication services. There are many insulation products and manufacturers on the market, but Allied only offers the highest quality products made by the leading manufacturers in the insulation industry. We have great confidence in the quality and performance of all our products. We supply products that will meet military, federal and ASTM specifications.



Alex Goranson


Alex Goranson
Outside Sales/Buyer

Started in:


  • Milwaukee 7

Core Competencies:
Commercial, mechanical, marine and industrial insulation distributor.
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.
Supplier to the Defense Industry:
Yes, we are a primary supplier

Number of Employees:

We are:
  • Woman Owned

Import: No

Export: No


  • Automotive
  • Aviation and Aerospace
  • Defense Industry Supply Chain
  • Energy Systems
  • Food and Beverage
  • Forest Products-Packaging-Lumber
  • Foxconn
  • Lakeshore Manufacturing Cluster
  • Marine Manufacturing
  • Water Industry - Technology or Manufacturing
  • Wisconsin Wind Works


  • None


  • Construction and Installation (incl. construction materials)
  • Distribution of Materials and Hardware - Wholesale
  • Education and Training
  • Engineering, Scientific and Technical Services
  • Manufacturer / Service
  • Professional and Business Services

Interested In Categories:

  • Components, Parts and Hardware
  • Construction & Installation / Architects & Design (incl. construction materials)
  • Manufacturing: Power Generating Equipment & HVAC
  • Professional and Business Services
  • Transportation, Logistics, Warehousing

Manufacturing Tier

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