The BEX concept can be successfully implemented on Siemens Energy gas turbines, but also on a wide variety of other manufacturers' gas turbines, too:
GE: Fr3, Fr5, Fr6, LM1600, LM2500, LM5000, LM6000
Baker Hughes: Fr5, Fr6
Hitachi: H25, PGT25
Solar: MARS, TAURUS
Sulzer: S7
Mitsubishi: MF1-11
MAN Turbo: THM1203, 1304
Westinghouse: W251
Nuovo Pignone/GE: PGT10 & 16
Rolls-Royce: RB211