Establishments primarily engaged in manufacturing hydraulic and pneumatic valves, hose and tube fittings, and hose assemblies for fluid power systems. Establishments primarily engaged in manufacturing fluid power cylinders are classified in Industry 3593; those manufacturing fluid power pumps are classified in Industry 3594; and those manufacturing hydraulic intake and exhaust motor vehicle valves are classified in Industry 3592.
- Control valves fluid power metal
- Electrohydraulic servo valves, fluid power metal
- Hose fittings and assemblies, fluid power metal
- Hydraulic valves, including aircraft fluid power-metal
- Pneumatic valves, including aircraft fluid power-metal
- Pressure control valves, fluid power metal
- Solenoid valves, fluid power metal
- Tube fittings and assemblies, fluid power metal
- Valves, automatic control: fluid power-metal
- Valves, hydraulic and pneumatic control: fluid power-metal