CONSOL Energy Inc. (CONSOL Energy) is a multi-fuel energy producer and energy services provider that primarily serves the electric power generation industry in the United States. CONSOL Energy has two principal business units: Coal and Gas. The principal activities of the Coal unit are mining, preparation and marketing of steam coal, sold primarily to power generators and metallurgical coal, sold to metal and coke producers. The Coal unit includes four segments: Northern Appalachian, Central Appalachian, Metallurgical and Other Coal. The principal activity of the Gas unit is to produce pipeline quality methane gas for sale primarily to gas wholesalers. On July 31, 2007, CONSOL Energy acquired AMVEST Corporation and certain subsidiaries and affiliates (AMVEST). The coal reserves acquired consist of approximately 160 million tons of low sulfur steam and high-volatile metallurgical coal. In October 2007, it acquired Tri-River Fleeting Harbor Services, Inc. and Tri-River Marine, Inc.