Westmoreland Coal Company
MiningColorado, United States501-1000 Employees
Westmoreland Coal Company is a mining company headquartered in Lone Tree, Colorado. It employs between 501 and 1000 people. Founded in 1854, it is among North America’s oldest running mining firms. Its operations span the spine of the Rockies, extending from northern Alberta, Canada, to San Juan, New Mexico, USA, and include surface mines, reclamation programs, and industrial hubs. The company emphasizes safety, environmental stewardship, and operational excellence, and has received industry recognition for safety, land restoration, and community support; in March 2019 it emerged from Chapter 11 bankruptcy and continued as a privately held company.