Cactus 

Cactus, Inc. designs, manufactures, sells, and rents a range of wellheads and pressure control equipment in the United States, Australia, China, and the Kingdom of Saudi Arabia. The company's principal products include Cactus SafeDrill wellhead systems, Cactus SafeLink monobore, SafeClamp, and SafeInject systems, as well as frac stacks, zipper manifolds, and production trees. It also provides field services, such as 24-hour service crews to assist with the installation, maintenance, repair, and safe handling of the wellhead and pressure control equipment; and repair and refurbishment services. The company sells or rents its products for onshore unconventional oil and gas wells for drilling, completion, and production phases of the wells. In addition, it operates 15 service centers in the United States, as well as 3 service centers in Eastern Australia. Cactus, Inc. was founded in 2011 and is headquartered in Houston, Texas.