Pressure Technologies plc, through its subsidiaries, designs and manufactures high pressure components and systems for the oil and gas, defense, industrial gases, and hydrogen energy markets in the United Kingdom, Europe, and internationally. It operates through two segments, Cylinders and Precision Machined Components. The Cylinders segment designs, manufactures, and reconditions seamless high pressure gas cylinders. The Precision Machined Components segment manufactures specialized precision engineered valve wear parts used in the oil and gas industries. The company was founded in 1897 and is headquartered in Sheffield, the United Kingdom.