Archrock Inc is an energy infrastructure company with a focus on midstream natural gas compression and a commitment to helping customers produce, compress, and transport natural gas. It has two business segments, Contract Operations, and Aftermarket Services. Under the umbrella of contract operations services, the company provides operations to meet customers' natural gas compression needs. Services include designing, owning, installing, operating, and maintaining equipment. Aftermarket Services business provides a full range of services to support the compression needs of customers who own compression equipment, including operations, maintenance, overhaul, and reconfiguration services, and sales of parts and components. It generates maximum revenue from the Contract Operations segment.