Archrock, Inc. is an energy infrastructure company with a primary focus on midstream natural gas compression. The Company is a provider of natural gas compression services to customers in the energy industry throughout the United States. It is a supplier of aftermarket services to customers that own compression equipment. Its segments include Contract Operations and Aftermarket Services. The Contract Operations business is comprised of its owned fleet of natural gas compression equipment that it uses to provide operations services to its customers. The Aftermarket Services business provides a full range of services to support the compression needs of its customers that own compression equipment, including operations, maintenance, overhaul and reconfiguration services and sales of parts and components. The Company provides comprehensive contract operations services, such as personnel, equipment, tools, materials and supplies to meet its customer's natural gas compression needs.