American Automatic Control Council: The American Automatic Control Council (AACC) is an association of member societies involved in control systems.
International Federation of Automatic Control (IFAC): A multinational federation of organizations representing the engineering and scientific societies concerned with automatic control in its own country.
ISA, the International Society for Measurement and Control: ISA is an organization of engineers, technicians, and others who work in the field of instrumentation, measurement, and control of industrial processes.
The Institute of Measurement and Control (UK): A measurement and control organization based in the UK.