Chesterfield Special Cylinders Holdings Plc, through its subsidiaries, design, manufactures, and reconditions high pressure gas cylinders United Kingdom, Canada, Germany, Australia, France, Spain, the United States of America, Norway, Italy, Europe, and internationally. The company also provides integrity management services for safety-critical applications in defence, oil and gas, industrial, and hydrogen energy markets. The company was formerly known as Pressure Technologies plc and changed its name to Chesterfield Special Cylinders Holdings Plc in March 2025. Chesterfield Special Cylinders Holdings Plc was founded in 1897 and is based in Sheffield, the United Kingdom.