Auto Diagnostic Tools

Hi everyone
I am , working in Auto Diagnostic Tools , it deals with Auto mechanical
trucks and equipment maintenance
so is this field has a chance in Israel?
second ,which brand most used in Israel ?
I am dealing with VOLVO,MAN,MERCEDES,IVECO,SCANIA,CAT,JCB
Hardware&Software
I target the technicians and workshops in this field
so how is it run there?

thanks in advance