Prince Manufacturing specializes in the production of hydraulic equipment, including stack valves, mono-block valves, loader valves, relief valves, and flow control valves. Stack valves can handle capacities ranging from 12 to 20 GPM and pressures up to 3,500 PSI. Loader valves come two spool configurations, with a standard fourth position float and a fourth position regen. These valves feature pressure ratings up to 3,000 PSI and capacities ranging from 10 to 14 GPM.

Dakota Fluid Power offers hydraulic a wide range of hydraulic products, including valves, motors, pumps, fittings, hoses, connectors, cylinders, etc. Dakota's directional valves (D03, D05, and D08) and flow controls are supplied from several manufacturers, including Vickers, Eaton, Rexroth, and Prince.