Electric Power Plants

Penelec • American Electric Power • Ohio Edison Co. • Basin Electric • Power • Commonwealth Power • Dayton Power & Light • Virginia Power • Cleveland Electric Illuminating • Potomac Electric Co.Tennessee Valley Authority • Pennsylvania Power & Light • Illinois Power • Delmarva Power • Niagara Mohawk

Coal Plants

U.S. Steel Mining • Consolidation Coal • Island Creek Coal • North American Coal • Southern Ohio Coal • A.T. Massey • Beth - Energy 
Clinchfield Coal • Tug Valley Processing • Utuility Fuels 
Westmoreland Coal • Maben Energy • Quarto Mining • Peabody Coal