Dril-Quip, Inc. designs, manufactures, sells and services engineered offshore drilling and production equipment. Its products consist of subsea and surface wellheads, subsea and surface production trees, subsea control systems and manifolds, mudline hanger systems, specialty connectors and associated pipe, drilling and production riser systems, liner hangers, wellhead connectors and diverters which are used by major integrated, large independent and foreign national oil and gas companies in offshore areas throughout the world. Read More The company was founded by Larry E. Reimert, Gary W. Loveless, Gary D. Smith and J. Mike Walker in 1981 and is headquartered in Houston, TX.