Minstroy is one of the founders of the Bulgarian Chamber of Mining and Geology in 1991 and has been an active member of the branch organization until now. From 2017 until now its Chairman is Prof.Dr.Sc. (Eng.) Nikolay Valkanov. More about the Bulgarian Chamber of Mining and Geology: http://www.bmgk-bg.org/.
Minstroy Holding JSC is also a member of the Confederation of Employers and Industrialists(KRIB) in Bulgaria, the Bulgarian Federation of Industrial Energy Consumers, the Bulgarian Economic Forum, the Bulgarian Atomic Forum, the American Chamber of Commerce in Bulgaria.