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McCall Oil and Chemical Corporation is a Portland, OR-based company in the Energy and Utilities sector.
We are the premier global supplier of innovative circulating fluidized bed (CFB) technology providing value to our customers.
Grayson Mill Energy is a Houston-based exploration and production company focused on the acquisition and development of oil and gas properties in the Rocky Mountains.
Perpetual Energy Inc. is a Calgary, AB-based company in the Energy & Utilities sector.