Archrock, Inc., together with its subsidiaries, operates as an energy infrastructure company in the United States. The company operates in two segments, Contract Operations and Aftermarket Services. It engages in the designing, sourcing, owning, installing, operating, servicing, repairing, and maintaining of its owned fleet of natural gas compression equipment to provide natural gas compression services. The company also sells over-the-counter parts and components, as well as provides operations, major and routine maintenance, overhaul, and reconfiguration services to customers who own compression equipment; and operates as a packager of reciprocal and rotary screw natural gas compressors for sale or on a contract compression basis.