Texas Pipe Works Inc. - Manufacture and distribute pipe couplings including merchant, water well , UL conduit and drive shoe couplings. Advanced Support Products, Inc. - Custom design and manufacture support systems for the mounting of equipment, piping or any structure on roof systems or raw land sites. Assured Flow Sales, Inc. - Manufacture pressure-rated, ductile iron, cement-lined, tar-coated fitting designed to connect fire hydrants to gate valves and water mains. Lancashire Fittings - Manufacturers and distributors of stainless steel pipe fittings, valves, flanges, repair clamps, instrumentation fittings, tube and pipe. Star Pipe Products - Global manufacturer and supplier for a broad array of pipe fittings and pipe fitting accessories. General Flange & Forge Corporation - Manufacturer of flanges in carbon steel, stainless and alloys as well as galvanized flanges and orifice unions. DIN/Metric/JIS flanges. Multi Fittings - Manufacture plastic and composite pipe and fitting systems for the municipal, industrial and irrigation markets. Inserta Tee - Manufactures a three piece service connection consisting of a PVC hub, rubber sleeve and steel band used for tapping into sewer pipes of plastic, steel and concrete. SSI Sealing Systems, Inc. - Manufacture and distribute products to prevent inflow and infiltration in manholes, catch basins, and pipe joints. Tri Flo Tech LLC - Manufacturer of primary flow elements such as orifice unions, venturi tube, flow meters and orifice plate. Applications in hydronic heating and cooling, HVAC products. USA Sealexce - Manufacturer stainless steel fittings for plumbing and gas tubing. India McElroy Manufacturing, Inc. - Manufacturer of HDPE polyethylene plastic pipe heat fusion equipment, fintubes and finned tube equipment, and mobile directional control valves technologies.