WL Plastics Corporation, located in Casper, Wyo., manufactures high-density polyethylene pipes and related products for the oil, gas, mining, industrial and municipal water markets. The company also operates from its offices in Cedar City, Utah, Gillette, Wyo., Bowie, Texas, and Alberta in Canada. It is one of the largest manufacturers of polyethylene pipes in the United States. WL Plastics Corporation has specialized manufacturing extrusion equipment. The company also provides delivery services for its products. It offers a range of products for several applications, such as water service lines, oil and gas gathering, and industrial and municipal sanitary sewers. WL Plastics Corporation manufactures pipes that are joined by leak-proof heat fusion, electrofusion and various mechanical joining techniques.