Mastergear Valve Actuators
MasterGear was founded in 1962 as a manufacturer of manual valve actuators, Mastergear has become the industry standard in manual valve actuators. Mastergear Worldwide serves valve makers all over the world from four international manufacturing facilities. MasterGear products are used extensively in oil, gas, water distribution and treatment, chemical processing and many other applications.
http://www.mastergear.ca

Sun Yeh Electrical Ind. Co., Ltd.
Sun Yeh is a manufacturer who specializes in producing quarter-turn electric actuators since 1986 ,Sun Yeh actuators suit for ball valves ,butterfly valves,plug valves ,and damper,etc., which are widely applied for the control on water level ,temperature ,irrigation,water treatment,air condition,Chemical engineer ,foods and so on.
http://www.valve-actuator.com/

EIM Controls, Inc.
Valve actuators and controls. Featuring network controls and electric valve actuators.
http://www.eim-co.com/

Chemline -- Electric Valve Actuators
Electric Actuators from Canada's leading supplier Chemline Plastics Limited.
http://www.chemline.com/aseries.htm

Mmac Actuators
Our Actuators use the major components of hydraulic systems in a stand alone modular linear actuator. Suitable where high force-density and long operating life is required.
http://www.mmacactuators.com

Shanghai Neles-Jamesbury Valve Co., Ltd
Chinese-American joint-venture valve manufacturer. Designs and manufactures actuators, ball and butterfly valves.
http://www.sn-j.com

Uni-Valve
Valves, instruments, and actuators.
http://www.uni-valve.com

Lung Yun Casting Co., Ltd.
Lung Yun Casting Co., Ltd. V A Ball Valves,Gate Valves,Globe Valves,Check Valves ,Sanitary Fittings,Flanges,Casting Parts,Trailer Parts,Pipe Fittings Manufacturers and Suppliers from Taiwan, China and Worldwide.
http://www.lungyun.com.tw/

Automatic Valve Corp.
Dealers in actuators, glass, vacuum, latching and other valves.
http://www.automaticvalve.com

Hanbay Inc
Hanbay Inc - Manufacturer of miniature electric valve actuators for flow control valves and pressure regulators and automation of other plant equipment and laboratory equipment.
http://www.hanbayinc.com