Concession analysis of non-metallic deposits of minerals – industrial minerals (2013-2016)
- Kaolin deposits in the region of Shumen; Vetovo Municipality region of Ruse and Dulovo Municipality region of Silistra;
- Dolomite deposits mining Municipalities of Dupnitsa and Radomir;
- Quartz sand deposits and other industrial materials in the region of Ruse, Harmanly and Elin Pelin;
- Lignite coal deposit in the area of Municipality of Breznik.