SIGMA Corporation

SIGMA Corporation has been developing products for the North American Water and Wastewater industry for over 25 years. Today, Sigma is one of the world’s largest suppliers of specialty water products within the American Waterworks Association (AWWA). SIGMA is proud to offer the highest quality ductile iron waterworks fittings, pipe restraint products, and municipal casting products available on the market. SIGMA operates a network of warehouse and distribution offices that provides them with a national reach.

Bolts and Bolt Packs, Ductile Iron Fittings, Extended Product, HDPE Meter Pits, Municipal Castings, Pipe Restraint Products