Cresline Plastic Pipe is a group of companies manufacturing and distributing plastic pipe and fittings throughout the United States. The company is one of the oldest privately owned plastic pipe company and one of the largest full line pipe manufacturers. It offers a full range of piping products for a wide variety of uses throughout the U.S. Subsidiaries include Crescent Plastics, which produces unique custom plastic extrusions and Wabash Plastics, which manufactures leading-edge custom injection molded plastic parts. In addition to the U.S., Cresline Plastic Pipe sells its products to Canada and Mexico. The company is headquartered in Evansville, Ind.