About Us

Bill McCarrier Jr.

Interstate Pipe & Supply was started in 1968 by William L. McCarrier Sr. With the first branch in Clintonville, PA, it has grown to four locations across Western, PA. After retiring in 1995, Interstate Pipe & Supply was taken over by Bill Sr.’s three sons, Bill Jr., Brian, and John McCarrier.

With the passing last year of the then company president, Brian, Bill Jr. has stepped from Vice President to now President and controller of Interstate Pipe & Supply. Bill Jr. has lived in Butler County his entire life and is a respected member of the community. He enjoys riding his Harley and spending time with his family.

Interstate Pipe & Supply is a wholesale distributor of pipe, valves, fittings, pumps, construction materials, industrial products, and gas & oil well products. Open to the public for business, Interstate Pipe & Supply is proud to serve contractors, excavators, site developers, mechanical contractors, engineers, water well drillers, homeowners, and industrial accounts. Offering competitive pricing and superior service for fifty years, Interstate Pipe & Supply employees understand the seriousness of time and quality service. Interstate Pipe & Supply employees feel privileged to serve the surrounding area and communities. Please stop in and let Interstate Pipe & Supply serve you today!

Butler, PA

Grove City, PA

Titusville, PA

Washington, PA