Foreign contracts:
• The Philippines – company acted as a subcontractor for Universalebau firm, sank a shaft 160 m deep and 6.5 m wide, a part of the underground workings system for the Casecnan hydroelectric power plant.
• Chile – company sank two shafts for hydroelectric power plant, 15 m and 240 m deep and, appropriately, 3 m and 10 m wide.
• Honduras – the company constructed two small shafts (two pressure and one ventilation shaft) for Consorcio International Coninca (hydroelectric power plant El Cajon in Centro America).