Diamond Plastics Corporation, headquartered in Grand Island, Nebraska is a nationwide producer of PVC pipe for the Industrial, Municipal and Agricultural Irrigation industries. Diamond produces PVC pipe in sizes from 2" through 60" in diameter in plants strategically located across the United States. Diamond's products are produced in accordance with the various ASTM, ANSI, CSA, Bureau of Reclamation and BLM specifications. These products are listed and certified by numerous third-party agencies; UL, NSF, FM and CSA.