The Hope Group is a provider of industrial motion and control solutions, operated by SunSource (also known as STS Operating). It also provides preventive maintenance, custom knitting, systems engineering, air compressor, and hydraulic field services. It specializes in hydraulic, pneumatic, compressed air, fluid conveyance, and sealing applications. The Hope Group caters to defense, military, food and beverage, life sciences, marine, aerospace, and other industries.