International Society of Automation
The International Society of Automation (ISA) Is a non-profit technical society for engineers, technicians, businesspeople, educators and students, who work, study or are interested in automation and pursuits related to it, such as instrumentation. Originally known as the Instrumentation Society of America, the society is more commonly known by its acronym, ISA. The society's scope now includes many technical and engineering disciplines.
Source: Wikipedia — International Society of Automation (CC BY-SA 4.0)