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Tri State Supply Co

371 West Chestnut Street
Washington, PA 15301

T(724) 225-8311



We Move More Quickly to Meet Your Needs

Tri State Supply is a locally-owned, independent electrical distributor that has been carrying the key electrical lines that your business needs since 1963.

Our local focus and nimble size allows us to:

  • Work more quickly and with more agility than the national distributors
  • Bring you the premier lines like Allen-Bradley, Rockwell Software™, and Rockwell Automation’s Encompass Product Partners
  • Provide extensive value-added services to meet your needs
  • Streamline customer inventory needs and then distribute them with more speed
  • Invest significantly in our people with continual training

top 200Tri State has been the leader among full line electrical distributors in western Pennsylvania, northern West Virginia, and southeastern Ohio for over 50 years, developing loyalty from our customer base due to strong relationships and the best service in the industry. Tri-State Supply was designated a Rockwell Automation authorized Allen-Bradley distributor in 1977.

Electrical Wholesaling Magazine named Tri-State Supply as one of the top 200 electrical distributors in the United States.

Call us at 724-225-8311 to discover why.