Etna Supply Company is a plumbing products distributor, which specializes in commercial and residential plumbing products. Its municipal division provides municipalities with pipes, water meters, fire hydrants and related support services. Its underground division provides contractors with piping supplies for delivery of water and drainage to subdivisions and major construction projects. The company s fire protection unit offers commercial building fire-protection systems. Located in Wixom, Mich., the company operates more than five kitchen and bath showrooms. Its on-site associates help customers with the selection and specification of kitchen and bathroom fixtures. Etna Supply Company also operates several subsidiaries and employs more than 300 people.