MRC Global, 6375 Highway 347, Beaumont, TX 77705, US

Carter Chambers, established in 1959, provides specialty valves, and instrumentation products, services and technical support. The company offers repair and testing services for safety relief valves, tank vents and flame arresters, line and block valves, pneumatic actuators, and control valves. It also offers pipe fabrication, welding, steam trap repair, valve repacking and in-line safety valve testing services. The firm provides products from a large selection of manufacturers, including Anderson, Flowserve, Spence, Ashcroft, Automax, ITT Industries, Dow Corning, Jerguson, Stockham, Ultraflo, Baldwin Filters, Clarcor, Bray and Magne-Sonics. It is affiliated with the American Society of Mechanical Engineers, National Board of Boiler and Pressure Vessel Inspectors, and Valve Repair Council. Carter Chambers is headquartered in Baton Rouge, La., and has offices in Gonzales, Luling, Monroe, Westlake, Lafayette and Houma, La., Kilgore and Beaumont, Texas, and Mobile, Ala.