The Other mining and quarrying industry in Bulgaria was represented by 270 companies at the end of 2017, compared to 306 in the previous year and 321 in 2015.
The industry's net profit amounted to BGN 24,798,000 in 2017.
The industry's total revenue was BGN 502,598,000 in 2017, up by 4.34% compared to the previous year.
The combined costs of the companies in the Other mining and quarrying industry reached BGN 472,187,000 in 2017, up by 8.45% year-on-year.
The industry's total revenue makes up 0.58% to the country's Gross domestic product (GDP) in 2017, compared to 0.57% for 2016 and 0.47% in 2015.
A total of 3,973 people were employed in the Other mining and quarrying industry in 2017, compared to 4,786 in 2016 and 4,750 in 2015.
Most of the companies in the industry are based in Sofia, followed by Burgas and Plovdiv.