Visit us at www.drillpipe.com Since its founding in 1976, drillers have relied upon a familiar name for oil country steel tub ... ular goods: Texas Steel Conversion. In 2001 TSC began production of its high quality drill pipe product line. Today, after delivering more than 17,000,000 ft of pipe, our renamed division– TSC Drill Pipe™ –will handle all production and marketing to the drilling industry. As a division of Texas Steel Conversion, TSC Drill Pipe benefits from more than three decades of oil country steel manufacturing expertise. We've built a company that has gained the highest respect among drilling industry leaders. Texas Steel Conversion is an API licensed 5DP, 7-1, and 5CT manufacturer. Texas Steel Conversion's Quality System is certified under ISO9001:2008, API-Q1 8th Edition, and ISO/TS 29001:2007 read more