O.E.M. Products, LLC, is an aggressively growing family-owned and operated business. We have been in business over 20 years and are located in Sun Prairie, WI. OEM is a wholesale distributor who provides manufacturers worldwide with both custom and standard pipe fittings, nipples, manifolds, tubing, castings, forgings and valves in a variety of different materials. Our products are readily available in Brass or Bronze, Aluminum, Stainless and Forged Steels, Malleable and Cast Irons, Copper and PVC / CPVC.