Coletanche manufactures high-performance bituminous geomembranes for waterproofing civil engineering structures, ensuring environmental protection and durability with over 30 million square meters installed worldwide.
EnerServ specializes in the maintenance and repair of turbines and alternators for the renewable energy sector, particularly in hydroelectric and biomass steam production, operating across North America and internationally since 2011.
Our expertise is recognized beyond the borders of Quebec.International customers have entrusted us with mandates in North America,Europe,Africa,West Indies,New Zealand and South America.