Vinyltech Corporation is a manufacturer of American Water Works Association (AWWA) C900, C905 water, ASTM D3034 and F679 sewer main PVC pipe products. The company s pipe products are sold through waterworks distributors for use in municipal water, wastewater and water reclamation systems. Based in Phoenix, Ariz., Vinyltech Corporation has been producing products since 1983. The company is one of the last American owned producers in the western United States. It is a wholly owned by Otter Tail Corporation. Vinyltech Corporation is a member of the Uni-Bell PVC Pipe Association, American Water Works Association, ASTM, FM Global, NSF International and Underwriters Laboratories Inc.