	french cge unit takes pct stake in esca corp state owned cie generale d electricite s electrical contracting unit cgee alsthom has taken a stake in the u s computer firm esca corp cgee alsthom chairman philippe boisseau told a press conference according to an agreement in principle between the two companies cgee alsthom could take a majority stake in the future but no time scale has been set he added esca which had a turnover of mln dlrs in and is expected to see this rise to mln this year is one of the leading u s suppliers of electric despatching and telecontrol systems reuter 
