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Hallador Energy Company, formerly Hallador Petroleum Company is engaged in the production of steam coal from a shallow underground mine located in western Indiana. The wholly owned subsidiary of the Company is Sunrise Coal, LLC (Sunrise). As of December
Prospectors and Developers Association of Canada is a Toronto, ON-based company in the Agriculture and Mining sector.
US Stone Industries is a Prairie Village, KS-based company in the Agriculture and Mining sector.
Weber Stone Co is a Anamosa, IA-based company in the Agriculture and Mining sector.
Stonebridge Operating Co is a Fleming, OH-based company in the Agriculture and Mining sector.