Westmoreland Mining is an independent coal producer founded in 1854 in Westmoreland County, Pennsylvania, and now headquartered in Lone Tree, Colorado. Operating surface mines along the Rocky Mountain corridor from Alberta to New Mexico, the company supplies fuel to mine-mouth generating stations that power millions of homes across multiple regions. With more than 170 years of operational history, Westmoreland ranks among North America's oldest and most established energy companies.
Beyond coal extraction, Westmoreland provides mine contracting and reclamation services, develops products from coal ash, and operates award-winning land restoration programmes that return mined landscapes to equal or better condition than before mining. The company has cultivated strong relationships with First Nations communities in Canada and the Navajo, Crow, Northern Cheyenne, and Ute Mountain Tribes in the United States.
Westmoreland is diversifying its business platform into renewable energy, agriculture, recycling facilities, and industrial development. The company operates a multi-cultural and multi-generational workforce and emphasises workplace safety across all operations. Its geographic footprint spans the United States and Canada, positioning it as a significant operator across the North American mining and energy landscape.