HollySys Manufacturing and service of process control systems, specifically large scale PLC based projects. Based in Beijing, China. http://www.hollysys.com.cn/English1/index.htm

Control Application & Maintenance, Inc. Providing customized industrial process control instrumentation and control systems to the process control industries of the US. http://www.cam-co.org/

SpectrAlliance, Inc. Maufactures fiber-optic spectrometers and spectrometer accessories designed expressly for industrial process control. http://www.s-alliance.com/

Spectrum Technology, Inc. Outsourced technical services for process control technology in Central New York offering calibration/metrology, maintenance, and engineering services. http://www.spectrumtechnology.com/

Powerflow Electronics Manufacturer of controls for process air systems and air dryers. http://powerflow.ie/

Presys Instruments Inc. Manufactures instrumentation and process control producing calibrators, indicators, controllers and software. http://www.presys.com.br/

Orange Instruments Design and manufacture process control systems including control panels, instruments, positioners, and package assembly. http://www.orangeinstruments.co.uk

RS Controls Service provider for process controls for the agriculture, industrial and commercial sectors. Southeastern US. http://www.rs-controls.com/

EFI Manufacturer of process control systems for plastic moulding, heating and multi-cavity-drop zone controllers. http://www.efisystems.co.uk/

American Controls Corporation Manufacturer and integrator of process control units, RTUs, and systems for liquid and gas stations and processors. Product specifications and project case studies. http://www.acc-controls.com/

ControlLoop, Ltd. Provides bespoke software and process control solutions to customers. Based in UK. http://www.controlloop.com

A.I.Lanteck Inc. PLC and HMI programming, process control & visualization, system integrators and SCADA development. Also memory device, motor and drive programming. http://www.lanteck.ca

Windemuller Electric, Inc. Offering automation services at every level from initial design to start up. Full PLC and process control. Year round support 24/7. http://www.windemullerelectric.com

Staley & Associates. Providers of PLC process control analysis, impletation and expertise in electrical engineering and consultancy, based in Victoria, Australia. http://www.staley.com.au

Synectic Design Ltd. A manufacturer of industrial process control and measurement instrumentation and systemsincluding amplifiers, batch controllers, flow meter controllers, portable load meters, calibration tools, data loggers, signal converters, industrial displays and I/O modules. http://www.synectic.co.uk

Smar Manufacturer of process control systems and instrumentation, includes product and service descriptions, white papers, and company information. http://www.smar.com

Syscom 18 SRL An integrator of process control and instrumentation applications. http://www.syscom.ro

TKJ, Inc. A consulting firm specializing in microprocessor, and ASIC design in medical, entertainment, appliance and communication industries . http://www.tkjinc.com