Exterran Corporation provides compression, production and processing products and services that support the production and transportation of oil and natural gas around the world. The Company operates through three segments: contract operations, aftermarket services, and oil and gas product sales. The contract operations segment provides natural gas compression services, production and processing equipment services, and maintenance services to meet specific customer requirements on assets owned by it. The aftermarket services segment provides a range of services to support the surface production, compression and processing needs of customers, from parts sales and normal maintenance services to full operation of a customer's owned assets. The oil and gas product sales segment provides design, engineering, manufacturing, installation and sale of natural gas compression units, and accessories and equipment used in the production, treating and processing of crude oil and natural gas.