SIGMA Corporation offers a wide range of waterworks and OEM products for customers at home and abroad. SIGMA’s innovative quality and supply chain processes have made us an industry leader, and we continue to develop new products and services, meeting the changing needs of our valued customers every day.

Established in 1985 by engineers with new ideas for supplying AWWA pipe fittings, SIGMA has grown into a multi-million dollar international corporation with loyal customers across the US and Canada, and products in countries around the world.

We continuously strive to create safer, better, more cost-effective products for the worldwide water and wastewater industry. In 2014 alone, SIGMA created over 600 new and redeveloped products. Our technology created the PV-LOK and ONE-LOK joint restraints, and we manufactured the industry’s first-ever 42-inch and 48-inch mechanical restraining devices for AWWA C905 PVC pressure pipes. SIGMA still provides the widest selection of fittings on the market today.

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SIGMA CORPORATION

SIGMA CORPORATION's headquarters in Cream Ridge, NJ, United States

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