GE: IC693/IC695/IC697/IC698/IC200/IC660/IC670 CPU module, Communication module, Analog digital module
EX2100, EX2000 Excitation system card, IS200 series DS200 series
Invensys Foxboro:
I/A Series system, FBM(input / output modules) sequential control, Ladder logic control, Accident recall processing, Digital-to-analog conversion, Input / output signal processing, Data communication and processing
Invensys Triconex:
Redundant fault-tolerant control system, the most modern fault-tolerant controller based on triple-module redundancy (TMR) architecture
Westinghouse:
OVATION system, WDPF system, WEStation system
Honeywell: