MOUNTAINEER GAS CO is the largest natural gas distribution company, serving 220,000 customers in West Virginia. It is based o ... ut of Charleston, West Virginia, United States. The company has facilities in the communities of Beckley, Charleston, Elkins, Hugheston, Huntington, Keyser, Kingwood, Lewisburg, Logan, Mannington, Martinsburg, Morgantown, New Martinsburg, Oak Hill, Palestine, Pineville, Princeton, Ravenswood, Weirton, and Wheeling. read more