Sigma Corporation

We are a market leader distinguished by innovative quality and supply chain processes, and we offer both domestic and global sourcing options. We are industry leaders in quality and service, and our engineers are constantly developing new products and applications to meet the changing needs of the market. SIGMA Corporation offers a wide range of water and wastewater infrastructure products, original equipment manufacturing products and services (OEM), precision castings, and HDPE products. Our engineers are constantly developing new products and services to meet the changing needs of our customers every day. SIGMA Quality Assurance Experts start by thoroughly inspecting each factory before approving it as a SIGMA manufacturer. We stamp each item with manufacturing data so it is traceable back to its origin. The stability and longevity of SIGMA’s employees offer a powerful testament to their commitment to the Company and our customers. This demonstrates SIGMA’s strength, as well as the dedication of our personnel.