About Us

• At Mac Arthur Co. we are committed to being the lowest total cost supplier of quality service and products to the contractor. We are the number one choice in the Billings, Mont., area for all insulations and accessories from pipe insulation to HVAC to roofing products. Our staff is focused on providing super customer service to go along with our superior products.
  
  Our products and services include:
  
  
• Wholesale roofing and insulation
  
• Tapered roof systems
  
• Built-up and single plies
  
• Shingles
  
• Skylights
  
  Please visit our website for more information.