The competition "ECOleader" is held in the Republic with the purpose of attracting public attention to environmental security, promote environmental activities. On 22 December it was held the ceremony of awarding the winners of the annual competition "ECOleader" with the participation of Prime Minister of the Republic of Tatarstan Ildar Khalikov. In the nomination "Production of building materials" first prize was awarded to LLC "Kazansky DSK" group of companies "AK BARS development". "Kazan DSK" created by a group of "AK BARS development" in 2012 on the basis of production capacity efficiency-3 - one of the oldest Kazan house-building factories.