The company was founded in 1965 as a specialized unit for assembly of steel and reinforced concrete constructions of the state owned industrial construction company. During its 50 years of existence, MCK AD took part in the construction of more than 1000 large scale projects in the energy, infrastructure and industry sectors in Bulgaria and abroad, establishing its position as a reliable partner for the production and assembly of complex construction projects, CW and overall project management. MCK AD has introduced and implemented the ISO 9001:2008, ISO 14 001:2005, ISO 18 001:2007 quality management systems in the construction industry. The company is also a member of the Bulgarian Construction Chamber, having its highest category license.