Westfield Hydraulics develops, engineers, and produces electro-mechanical devices and fluid power assemblies. Product offerings include reverser valves, steering valves, hydraulic solenoid valves, multi-position hydraulic Solenoid valves, and check valves. Westfield Hydraulics also manufactures customer-designed valves and related products.

Advanced Hydraulics air driven, vane, gear, and piston hydraulic pumps for low volume, high volume, low pressure, and high pressure applications.

Spencer Fluid Power is a distributor of hydraulic valves, components and systems. These valves are manufactured by Vickers, Prince, Brand Hydraulics, Poclain Hydraulics, Cross Manufacturing, STAUFF, and Bucher Hydraulics.

Sully & Son offers multi-spool and single spool valves. These valves are supplied from a variety of manufacturers, including Vickers, Prince, Gresen, Cross, Dixon, Deltrol, Commercial, etc.