SIGMA Corporation

Founded in 1985, Sigma Corporation provides a variety of pipe fitting products and accessories. It also offers mechanical and flanged joints, restrainer glands, cast iron pipes, anchor flanges and adapters. The company provides repair and installation services. In addition, Sigma Corporation offers transition gaskets, bolts and nuts, valve and meter boxes, frames, covers and manhole rings. It also supplies hydraulic cement, socket clamps, tracer wires and detectable tapes. The company additionally produces a range of accessory items for ductile iron fittings, as well as threaded flanges and related items for the fabrication of ductile iron pipes. Sigma Corporation also provides quality management and sales services. It is headquartered in Cream Ridge, N.J.