Siemens: S5, S7, APT.
Rockwell: ControlLogix, PLC5, SLC500.
Schneider Electric: Quantum, Momentum.
Siemens: PCS7.
Yokogawa: Centum VP.
Emerson: Delta-V.
Siemens: S7-300F, S7-400H.
Hima: Elop 1, HIMatrix.