> DCS / ESD / PLC control system (System Engineering& System Integration ) > Instrument Control Cubicles – Control Panels – Interlock panels – Local panels – Operator stations > Instrument Calibration Shop Equipment – Calibration Benches ( In 3 Basic Models ) : 1. Electronic type 2. Pneumatic type 3. Electropneumatic type > Panel Mounted Instruments – Multi point Temperature Indicators – P/I Converters > Data Communication Modules > Data Acquisition Systems