International Pipe was founded in 1978 by Alfred H. Karchmer. In 1985, his son, Donald, joined the business after graduating from college. Together, they spent the next several decades growing it into one of the nation's leading steel pipe distributors. Today, as a third-generation family-owned and -operated business, we take our reputation very seriously and always operate with the highest level of integrity. It’s our mission to achieve excellence in customer satisfaction, each and every day!

At International Pipe’s headquarters in Oklahoma City, we operate a 35-acre, full-service facility, which houses our corporate offices, processing center, and state-of-the-art fabrication/welding shop. Our experienced office staff and yard crew always work hard to ensure accurate order processing and prompt customer service.

We supply products to dealers, end users, and contractors for a wide array of uses, including, but not limited to, general construction, utilities, boring/excavation, infrastructure, and oil & gas. With tens of thousands of tons in stock, you can believe that we have the steel pipe you need for your next project! For 45 years, we’ve remained your one-stop source for new, used, and surplus steel pipe, ranging in diameter from 1/4" to 120", in numerous wall thicknesses, and with various finishes.

We’re also extremely proud of our exciting growth in recent years. In 2008, International Pipe purchased the assets of KDC Pipe in Rialto, CA and its office in Phoenix, AZ. In 2011, we acquired Liberty-Rocky Mountain Pipe, near Twin Falls, ID, and formed Bison Pipe. In 2013, we purchased the assets of A.A. Gilbert Pipe & Supply, in Shreveport, LA. In 2015, we acquired a former MRC Global manufacturing facility, near Tulsa, OK. In 2019, we acquired P.N. Best & Co., near Seattle, WA, and formed Bigfoot Pipe & Piling.