KELLY PIPE - Dometsic and import carbon stell pipe. Items are available in all sizes, weights and grades of black. Galvanized and stainless steel tubing, both seamless and electric weldwww.kellypipe.com

PolyPipe - PolyPipe is one of the largest polyethylene pipe producers in North America. Offers a complete range of high quality polyethylene piping system products www.polypipeinc.com

A-D Technologies - A-D Technologies produces all of its pipe products in the United States. These products are compliant with the Buy American requirement of the 2009 American Recovery and Reinvestment Act. www.arncocorp.com

McELROY - With a complete range of fusion equipment including PitBulls, TracStars and our original wheeled units. Our fintube machines are found throughout the world and are responsible for 80 percent of fintubes in use today www.mcelroy.com

Pipeline Pigging Systems - Foam Pigs:Bare, Coated, Wire, Silicon Carbide, Spheres. Solid urethane pigs. Steel body pigs. Hinged and non-hinged closures and O Rings. Pig Signals. Pig Tracking Systems

WL Plastics -WL Plastics announces ISO 9001:2008 Certification for its quality system. ISO 9001:2008 Quality System Certification is registered for WL Plastics Corporation, Ft. Worth, TX, and its manufacturing plants at Bowie, TX; Mills, WY; Cedar City, UT and Crossfield.www.wlplastics.com

United Poly Systems - United Poly Systems, LLC was established by Jim Massengale and Bert Bridges to produce High Density Polyethylene (HDPE) pipe. With over 40 years of combined industry experience, the founders capitalize on their vast experience as well as their extensive relationships with customers and vendors to drive United Poly Systems' success.www.unitedpolysystems.com