Industrial control systems are an essential component of industrial process control, consisting of electronic control systems and instrumentation that allow for precise and efficient control of industrial processes. These systems are intended to increase production efficiency, quality, and safety by reducing production costs and streamlining production flow. An important component of industrial control systems is the interactive Discrete Control System (DCS), which can receive data from Process Variables (PV), compare the collected data with set points (SP), and generate the command function that controls the process via final control elements.

The industrial control industry relies heavily on electronic manufacturing companies. They specialize in developing, designing, and manufacturing industrial control systems' electronic components and systems. These businesses collaborate closely with clients to develop solutions that are tailored to their specific needs, ensuring that their industrial control systems function efficiently and effectively. In addition, they play a crucial role in the ongoing maintenance and repair of industrial control systems, supplying technical support and replacement parts to ensure that the systems continue to operate optimally.