Dresser-Rand Group Inc. is the global supplier of custom-engineered rotating equipment solutions for the applications in the oil, gas, chemical, petrochemical, process, power, military and other industries. The Company�s products and service are used in oil and gas applications that include gas gathering, gas recompression and export, gas lift and high pressure re-injection; carbon dioxide (CO2) re-injection, enhanced oil recovery, main refrigeration compression and other duties for liquefied natural gas (LNG) plants; gas transmission and storage, as well as gas processing; a variety of refinery services; ammonia and methanol synthesis gas; ethylene and other petrochemical services, and chemical plant services. The Company operates in two business segments: New units, and Aftermarket parts and services. In July 2012, the Company acquired compressed air energy storage property.