http://www.guideindustry.com/hydraulic-valves/Site description http://www.brand-hyd.com/Brand Hydraulics is a leading designer and manufacturer of high-quality hydraulic valves including hydraulic directional control valves, hydraulic flow control valves, hydraulic relief valves, hydraulic selector valves, shuttle valves, pilot check valves, flow dividers and more.Mon, 06 Sep 2010 09:13:32 GMT http://www.canyonengineering.com/At Canyon Engineering Products, we design and build our products to meet your specifications.Mon, 06 Sep 2010 09:13:32 GMT http://www.fulflo.com/Since 1912, Fulflo has been providing "chatter free" valves that modulate to control pressure: hydraulic bypass relief valves, oilfield valves, pilot valves, pressure regulator valves & hydraulic pressure control valves, which mount in any position. Our hydraulic by-pass relief valves measure from 1/4 - 4".Mon, 06 Sep 2010 09:13:32 GMT http://www.hydraforce.com/Manufacturers of hydraulic flow control valves, hydraulic directional control valves, hydraulic cartridge valves and hydraulic solenoid valves.Mon, 06 Sep 2010 09:13:32 GMT http://www.westernfluidyne.com/Western FluiDyne is an ISO certified manufacturer of hydraulic valves, pumps & motors.Mon, 06 Sep 2010 09:13:32 GMT