Pressure Technologies Plc is a holding company, which engages in the business of designing and manufacturing high-integrity, safety-critical components and systems serving global supply chains in oil and gas, defense, industrial, and hydrogen energy markets. It operates through the following segments: Cylinders, Precision Machined Components, and All Other. The Cylinders segment focuses on designing, manufacturing, and reconditioning seamless high pressure gas cylinders. The Precision Machined Components segment offers specialized, precision engineered valve components used primarily in the oil and gas industries. The company was founded in 1897 and is headquartered in Sheffield, the United Kingdom.