Dril-Quip, Inc., together with its subsidiaries, designs, manufactures, sells, and services engineered drilling and production equipment for offshore and onshore applications worldwide. The company's principal products include subsea and surface wellheads, specialty connectors and associated pipes, subsea production trees and systems, mudline hanger systems, production riser systems, dry tree systems, subsea manifolds, line hangers and expandable liner systems, multi-frac well connections, conventional wellheads, thermal wellheads, completion packers, and safety and kelly valves; and rig equipment comprises drilling riser systems, wellhead connectors, diverters, and cement manifolds. It also provides technical advisory assistance, and rework and reconditioning services, as well as rental and purchase of running tools for use in the installation and retrieval of its products; equipment installation and monitoring, storage, maintenance, and repair services; and downhole tools comprise of liner hangers, production packers, safety valves, and specialty downhole tools that are used to hang-off and seal casing into a previously installed casing string in the well bore. The company's products are used in the exploration and production of oil and gas from offshore drilling rigs, such as floating rigs and jack-up rigs; and for drilling and production of oil and gas wells on offshore platforms, tension leg platforms, Spars, and moored vessels, such as floating production, storage, and offloading monohull moored vessels. It sells its products directly through its sales personnel, independent sales agents, and representatives to integrated, independent, and foreign national oil and gas companies, as well as drilling and other oilfield contractors, and engineering and construction companies. Dril-Quip, Inc. was founded in 1981 and is headquartered in Houston, Texas. Address: Two BriarLake Plaza, Houston, TX, United States, 77042