| 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. |
| 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. |
| 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. |
| Lancashire Fittings: Manufacturers and distributors of stainless steel pipe fittings, valves, flanges, repair clamps, instrumentation fittings, tube and pipe. |
| McElroy Manufacturing, Inc.: Manufacturer of HDPE polyethylene plastic pipe heat fusion equipment, fintubes and finned tube equipment, and mobile directional control valves technologies. |
| Multi Fittings: Manufacture plastic and composite pipe and fitting systems for the municipal, industrial and irrigation markets. |
| National Steel Products Co. Ltd.: Manufacturer of malleable fittings, flanges and butt-weld fittings. |
| Reel Pipe and Valve: Industrial pipe, valve and fitting wholesaler based in Indianapolis |
| SSI Sealing Systems, Inc.: Manufacture and distribute products to prevent inflow and infiltration in manholes, catch basins, and pipe joints. |
| Star Pipe Products: Global manufacturer and supplier for a broad array of pipe fittings and pipe fitting accessories. |
| Texas Pipe Works Inc.: Manufacture and distribute pipe couplings including merchant, water well , UL conduit and drive shoe couplings. |
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