Tuscan Petroleum Company Public Service of New Mexico Solvay Minerals Sierra Pacific Montana Dakota State of California Arizona Public Service CNG LDC Supply (Dominion) Duke Energy (fmrly Cincinnati Gas & Electric) Louisville Gas & Electric National Fuel Gas PECO Energy Southern Indiana Gas & Electric (now Vectren) Enbridge/Consumers Gas - Canada Texas Utilities U.S. Department of Energy Con Edison City of Austin L.A. Water & Power Pacificorp Power Marketing XL Weather and Energy Fortes Energy Westar Mead Paper Municipal Gas Authority of Georgia People’s Energy Chicago Royal Bank of Scotland Deephaven (MN hedge fund) Enstor
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