FTS provides reliability-focused inspection and quality assurance services for industrial sites nationwide and throughout the world. The company is one of the leaders in the on-stream field. It provides a full range of inspection services, including on-stream inspection, turnaround inspection, turnkey implementation of corrosion-monitoring programs, root cause failure analysis and quality control services. Its clients include BP, ConocoPhillips, Duke Energy, Farmland Industries, Koch, Petrozuata, Terra Nitrogen, Tessenderlo Kerley, Tesoro Refining, Valero Refining and Williams Energy. FTS is located in Ponca City, Okla.