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SIGMA CORPORATION

Quality - Service - Commitment - Delivered.
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New Jersey, United States
201-500 employees

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Company Description

SIGMA Corporation is a leading North American supplier to the water and wastewater infrastructure market, delivering a comprehensive portfolio that spans ductile iron fittings, restraints, municipal castings, polymer enclosures (SPE), hydrant buries and extensions, fabricator products, extended range and affiliate items, MJ connectors, coatings and linings, and custom parts for OEM manufacturers. Headquartered in Cream Ridge, New Jersey, SIGMA supports thousands of customers through a nationwide network of warehouses and a deeply experienced engineering organization focused on quality assurance, continuous product development, and responsive technical support. Operating as a one‑stop shop, the company simplifies sourcing for distributors, municipalities, and contractors by consolidating orders and logistics, reducing freight costs, and minimizing administrative complexity while upholding rigorous industry standards. Product highlights include SIGMA Z‑COAT, a zinc‑rich galvanic protection system for ductile iron that complies with ISO 8179‑2, and a dedicated Treatment Plant Division for mission‑critical applications. Complementary consumables such as NSF/ANSI Standard 61–certified pipe joint lubricants support safe, efficient installation across diverse pipe materials and environmental conditions. SIGMA’s culture of “Quality – Service – Commitment – Delivered.” is reinforced by robust internal quality control, structured customer complaint resolution, disciplined drawing and records management, and ongoing optimization of engineering, production, and manufacturing operations across the United States and India. Recent organizational enhancements—such as Product Maintenance Engineering and Industrial & Manufacturing Engineering teams, and strengthened regional leadership—underscore its commitment to agility, innovation, and dependable delivery. By pairing broad product coverage with technical expertise and regional service, SIGMA partners with public and private stakeholders to build, maintain, and modernize essential waterworks infrastructure across North America.

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