Overview
The Powder River Basin around Gillette is the largest coal-producing region in the United States, with giant open-pit mines.
History
Large-scale mining boomed from the 1970s, and Gillette calls itself the "Energy Capital of the Nation".
Today
Mines and energy companies are major employers, with mine and site security needs.
Compiled October 2026. History is summarized for general interest; check primary sources for research. This landmark is local context, not an employer or job listing.