For more than 60 years, Fiber Glass Systems has combined the resources of Star Fiberglass and Smith Fibercast offering a variety of products to meet piping requirements. Fiber Glass Systems is a subsidiary of National Oilwell Varco. National Oilwell Varco, also known as NOV, is one of the leaders throughout the world in the design, manufacture and sale of equipment and components. The components are used in oil and gas drilling and production, the provision of oilfield inspection and other services and supply chain integration services to the upstream oil and gas industry. With more than 140 years of service, National Oilwell Varco is the single source for all rig equipment, integrated systems, downhole tools and supply chain solutions.