AROC vs AB Comparison

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.

AllianceBernstein provides investment management services to institutional (41% of assets under management), retail (42%), and private (17%) clients through products that includes mutual funds, hedge funds, and separately managed accounts. At the end of July 2025, the company had $829 billion in managed assets, composed primarily of fixed-income (36% of AUM) and equity (42%) strategies, with other investments (made up of asset allocation services and certain other alternative investments) accounting for the remainder.