Pressure Technologies plc (PT) is the holding Company. The Company is a designer and manufacturer of engineering solutions for high pressure market. The Company operates in three segments: Cylinders, Engineered products and Alternative energy. Cylinders is engaged in the design, manufacture and reconditioning of seamless high pressure gas cylinders. Engineered products is engaged in the manufacture of precision engineered valve components, air operated high pressure hydraulic pumps, gas boosters, power packs, hydraulic control panels and test rigs. Alternative energy is engaged in marketing, selling and manufacture of biogas upgrading equipment to produce high purity biomethane. The Company�s subsidiaries include Al-Met Limited, Chesterfield BioGas Limited (CBG), Chesterfield Special Cylinders Limited (CSC), Hydratron Limited and Hydratron Inc.