Feel free to copy and add or correct.
AX - Stöckli All mountain something
AR - Stöckli All mountain Race
DH - Downhill (race)
KX - Kästle something, replacement for LX (X sometimes means construction)
FX - Kästle something (X sometimes means construction)
GS - Giant Slalom (race);
HT -
LT - Rossi Long Turn
LX - Kästle Light Construction (X sometimes means construction)
MT - Rossi Multi Turn
MX - Kästle Mountain Cross or Mountain Construction (X sometimes means construction)
RC - Rennen Carven, Race Carving
RS - Riesen Slalom
RX - Kästle Race Construction (X sometimes means construction)
SC - Stöckli Sport Carve, or Slalom Carve
SG - Super G (race)
SL - Slalom (race)
ST - Rossi Short TUrn
SX - Stöckli Ski Cross, Atomic Skier Cross
TX - (at least Kästle's version) is for touring.
ZX -Kästle something Construction (X sometimes means construction)
AX - Stöckli All mountain something
AR - Stöckli All mountain Race
DH - Downhill (race)
KX - Kästle something, replacement for LX (X sometimes means construction)
FX - Kästle something (X sometimes means construction)
GS - Giant Slalom (race);
HT -
LT - Rossi Long Turn
LX - Kästle Light Construction (X sometimes means construction)
MT - Rossi Multi Turn
MX - Kästle Mountain Cross or Mountain Construction (X sometimes means construction)
RC - Rennen Carven, Race Carving
RS - Riesen Slalom
RX - Kästle Race Construction (X sometimes means construction)
SC - Stöckli Sport Carve, or Slalom Carve
SG - Super G (race)
SL - Slalom (race)
ST - Rossi Short TUrn
SX - Stöckli Ski Cross, Atomic Skier Cross
TX - (at least Kästle's version) is for touring.
ZX -Kästle something Construction (X sometimes means construction)