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Unitil Corporation (Unitil) is a public utility holding company. Unitil's principal business is the retail distribution of both electricity and natural gas in New Hampshire and Massachusetts, and the retail distribution of natural gas in Maine.
Bandera Petroleum is a Tulsa, OK-based company in the Energy and Utilities sector.
PennWell Corporation is a diversified business-to-business media and information company that provides quality content and integrated marketing solutions for the following industries: Oil and gas, electric power, water, electronics, semiconductor,
International Center for Appropriate and Sustainable Technology is a Denver, CO-based company in the Energy and Utilities sector.
Thermal Engineering International is a Santa Fe Springs, CA-based company in the Energy & Utilities sector.