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Keystone Electrical Supply Company, Inc



Keystone Electrical Supply Company, Inc. has served the electrical needs of Western PA since 1948. We are a Veteran owned small business and our professional staff can service your requirements in a timely manner. Centrally located in Butler, PA with over 35,000 Sq. Ft. of warehouse, we have a vast inventory of products for the Industrial, Commercial, and Residential markets. There is a good chance we have in stock those brands that you use.

  • Our own fleet of delivery vehicles will insure
    you get material when needed.
  • Wiring supplies/design build
  • Please view our “line card” for those manufacturers that
    you use most often and call/email us for a competitive quotation.
  • Let us serve you-we want to earn your business!
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We are a Qualified & Certified Electrical Company

At Keystone Electrical Supply customer service and satisfaction are our main priorities. We offer free design/build engineering assistance for power and lighting projects as well as free quotes. We constantly strive to bring the newest and most up to date products into our inventory and welcome suggestions from our valued customers.