Archrock Partners (formerly Exterran Partners) is the largest operator of contract compression equipment in the US. Its services include designing, installing, operating, repairing, and maintaining compression equipment. The company operates a fleet of more than 3,950 compressor units, comprising almost 1.6 million horsepower. Archrock, a global leader in full-service natural gas compression equipment and services, controls Archrock Partners. Archrock Partners and Archrock (formerly Exterran Holdings) manage their respective US compression fleets as one pool of compression equipment in order to more easily fulfill their respective customers' needs.