SIGMA Companies International
SIGMA Waterworks
SIGMA Corporation is the platinum standard in the water and wastewater industry.
SIGMA Corporation offers a wide range of water and wastewater infrastructure products, fittings, restraints, accessories, HDPE meter enclosures, and extended products. Our nationwide warehouse and logistics network and industry-leading quality protocols have placed us at the top of the markets we serve.
SIGMA OEM
SIGMA OEM delivers on what customers need most: quality, efficiency, and competitive pricing.
For nearly 40 years, we have been sourcing and manufacturing products and delivering superior supply chain to customers throughout North America.
SIGMA Piping Products
SIGMA Piping Products is a joint venture with Unique Industrial Group.
The company serves the fire protection, plumbing, HVAC, industrial, and electrical sectors with innovative, high-quality products.
