Mining

Leanin' Tree Museum of Western Art Leanin' Tree Museum of Western Art- Housed in the corporate headquarters of Leanin' Tree, this Boulder, Colorado museum exhibits contemporary American Western paintings and bronze… Oxbow Corporation Oxbow Corporation- Producer, marketer and shipper of petroleum coke, coal, metallurgical coke, gypsum, and limestone. P&N Resources P&N Resources- Family-owned company that produces and markets coal, natural gas and other natural resource products and offers expertise in the remediation of environmental and wa… Tonawanda Coke Corporation Tonawanda Coke Corporation- Foundry coke supplier. Erie Coke Corporation Erie Coke Corporation- Producer of high-performance foundry coke. García-Munté Energía García-Munté Energía- Importers and distributors of petcoke, anthracite and coal. Arch Coal Inc. Arch Coal Inc.- Controls a domestic reserve base totaling 3.5 billion tons supplies approximately one-tenth of America's total coal supply. Celtic Energy Ltd. Celtic Energy Ltd.- Coal producer. CONSOL Energy, Consol Coal Group CONSOL Energy, Consol Coal Group- Underground coal producer.