The Mining support service activities industry in Bulgaria was represented by 47 companies at the end of 2017, compared to 42 in the previous year and 44 in 2015.
The industry's net loss amounted to BGN 139,225,000 in 2017.
The industry's total revenue was BGN 88,577,000 in 2017, up by 219.93% compared to the previous year.
The combined costs of the companies in the Mining support service activities industry reached BGN 227,011,000 in 2017, up by 508.15% year-on-year.
The industry's total revenue makes up 0.10% to the country's Gross domestic product (GDP) in 2017, compared to 0.03% for 2016 and 0.04% in 2015.
A total of 352 people were employed in the Mining support service activities industry in 2017, compared to 325 in 2016 and 345 in 2015.
Most of the companies in the industry are based in Sofia, followed by Varna and Plovdiv.