Pressure Technologies Plc operates as holding company, which engages in designing and manufacturing high pressure components and systems for the global energy, defense, and industrial gases markets. It operates through the following segments: Cylinders, Precision Machined Components, Engineered Products, and Alternative Energy. The Cylinders segment designs, manufactures, and reconditions seamless high pressure gas cylinders. The Precision Machined Components segment produces precision engineered valve wear parts used in the oil and gas industries. The Engineered Products segment manufactures precision engineered products; air operated high pressure hydraulic pumps, gas boosters, power packs, hydraulic control panels, and test rigs. The Alternative Energy segment markets, sells, and manufactures biogas upgrading equipment to produce biomethane. The company was founded in 1897 and is headquartered in Sheffield, the United Kingdom.