Yeah, they do, through Helios Holdings. Most of them are electronics/cybernetics related. Makes a rather nice nest egg and source of income.
Two things that didn't get on the list was Lebia running a bookmakers or a stockbrokers, or Kasumi opening a martial arts school (she already has enough problems with the Ninjas, although the image of battle butlers and ninja maids does have a certain appeal...)
Two things that didn't get on the list was Lebia running a bookmakers or a stockbrokers, or Kasumi opening a martial arts school (she already has enough problems with the Ninjas, although the image of battle butlers and ninja maids does have a certain appeal...)