Wyeco Auto Valves Co., Ltd.
Manufactures diaphragm, cylinder, electrical actuated, 3 way control, shut-off, ball and butterfly valves for industrial application.
http://www.wyeco.com.tw/

Gadren Machine Company
Manufactures and stocks float, pressure reducing and vacuum relief valves; air hose fittings, double bolt clamps and air shut off valves.
http://www.gadrenmachine.com

Ventil
For more than 35 years Ventil Test Equipment is dedicated to the design and manufacturing of high quality test units for pressure testing valves. An unrivalled commitment to quality and performance, continuous development and innovating in close cooperation with our clients, have brought us where we are today; world's leading manufacturer of high pressure test equipment for industrial valves.
http://www.testvalve.com

Larox Flowsys
Manufactures process valves involving the shut-off or control of pipe flow.
http://www.larox.fi

Perfection Corporation
Provides polyethylene gas distribution systems like couplings, risers, fittings, shut off valves, tees and piping.
http://www.perfectioncorp.com/

Val-Matic Valve and Manufacturing Corp.
Manufactures check, shut-off, plug, air and foot valves for water treatment plants and other industrial applications.
http://www.valmatic.com

Larox Flowsys OY
Larox Flowsys is a leading peristaltic pump and pinch valve supplier. Flow control technology solutions for process industries around the world.
http://www.larox.fi/flowsys/

Gas Control Technologies, L.L.C.
Focuses primarily on installation of automatic natural gas earthquake shut-off valves and also on underground natural gas leak detection.
http://www.gascontroltech.com/

Anderson Brass Company
brass ball valves,multi port valves, ball valves, tank switching valves, marine fuel switching valves, selector valves, plug valves, check valves, Made in USA, drain
http://andersonbrass.com

Maxon International
Belgium. Engineers and supplies broad range of tailor-made combustion systems and components. Includes line, nozzle, and radiant burners and control and shut off valves. Site provides product and application information.
http://www.maxon-europe.com