June 2000 – The Martha Washington Inn located in Abingdon, Virginia, was sold to the Camberley Hotel Company.
November 2000 – Star Oil & Gas acquired a majority of the stock of Place Resources Corporation located in Calgary, Canada.
June 2001 – Sold The Roof Center, Inc. and West End Lumber, Inc.
April 2003 – Sold Star Oil & Gas, Ltd., the Canadian holdings in oil and gas properties.
December 2003 – Sold United Oil & Minerals, Inc., the U.S. holdings in oil and gas properties.
March 2004 – United began a new company, United Resources LP, an exploration and production company focusing on the Gulf Coast.
April 2004 – United purchased Sapphire Coal Company.
October 2004 – United purchased Carter Roag Coal Company.
November 2005 – United Coal bought remaining interest in North Star Mining.
November 2005 – United Coal purchased Rapoca Energy Company. Closed transaction in January 2006.
December 2005 – United Coal purchased White Mountain Mining; name was changed to Pocahontas Coal Company.