Companies Involved in the Construction of Chixoy Dam: Inde...Icogua...Escher Weis...Ica...Nellolter...Quasim...Lami Consortium (Lahmeyer Int., International Engineering, Motor Columbus)...Mitsubishi...Shoke Waltman...Holchtief...Swiss Boring...Sorefomer...Cofegar (Impregilo)...Lavalin (Lamarre Valois Int. Limitee of Canada)...