We are a domestic steel pipe produces high quality large diameter DSAW pipe primarily for the North American oil and gas industry. USP utilizes an advanced and automated two step process for making spiral welded pipe. Our broad-size range, robust capacity, pipe-coating capabilities, and strategic location make us a strong presence in the rapidly growing North-American line pipe market. POSCO and U.S. Steel, both world class steel makers, supply United Spiral Pipe with the highest quality hot rolled coils. Our superior resources enable us to meet our customer's demands for pipe precision and integrity. The success of United Spiral Pipe is grounded in our core values of Safety, Quality, Customer Service, and Environmental Awareness.