Severočeské doly a.s. is the largest brown coal mining company in the Czech Republic.

The company was established on 1 January 1994 by the merger of Doly Bílina and Doly Nástup Tušimice.

Its primary businesses are prospecting, extraction, preparation, and sale of brown coal and related materials.

The company’s market share in 2001 was 44.38%.
Its largest customer is ČEZ, a.s.

The company is majority owned by the National Property Fund of the Czech Republic.

Severočeské doly a.s. is a stable, successful corporation, a major participant in the development of both its sector and the region, with a traditional corporate culture, known and appreciated for being open and fair towards its business partners, the public, its employees, and its shareholders.