Burckhardt Compression is one of the world's largest manufacturers of reciprocating compressors in the United States. It offers compressor performance analysis, plant overhauling, spare parts logistics, engineering and consulting services. The company provides products for various applications, including cryogenic installation, environmental protection, hydrodesulphurization and fertilizer production. It features a range of products that includes compressor valves, gland rings, piston rings, oil scrapers and compressor parts. Burckhardt Compression offers products under the Einheitsverdichter and Hitachi brands. It serves clients in the chemical, oil, gas and petrochemical industries. The company employs a work force of more than 600 people. It maintains a network of more than 10 subsidiaries. Burckhardt Compression has achieved ISO 9001:2000 certification.