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Tri State Supply Co

371 West Chestnut Street
Washington, PA 15301

T(724) 225-8311


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    New 25,000 sq-ft Central Distribution Center. Located on the Taylorstown exit on I70. Opened May 2016

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  • Locally Owned, Full Line Electrical Distributor

    Solutions. Service. Sustainability. Not just selling products. Bringing you solutions since 1963.

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  • Rockwell Automation
    Authorized Allen-Bradley
    Distributor Since 1977

    We are proud to be one of 47 distributors in the United States.

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  • Experts to the Oil & Gas Industry

    The energy sector is booming. Tri State’s agility enables us to keep pace with this fast-moving industry.

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  • Our Team

    Our team has been helping customers solve their problems for 50 years, using industry experience to get the job done.

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  • Services

    We understand the needs of our customers, and providing top-quality services is our first priority.

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  • Industries

    Providing products and solutions across various industries, including the booming oil and gas industry.

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About Tri State Supply

We are a full line wholesale distributor of electrical and automation products. Jim Van Zandt helped start Tri State as a family business in 1963. We are the region’s most reliable supplier of premium wholesale electrical supplies and Allen-Bradley products and Rockwell Automation services.  For more than 50 years, we’ve been providing the solutions our customers need, giving them the personal care you can’t get at larger companies, and always at a competitive price.