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Hoffmann Brothers St. Louis Mechanical Contractors is a Saint Louis, MO-based company in the Energy and Utilities sector.
Great Western Technologies is a Troy, MI-based company in the Energy and Utilities sector.
TEGG Service Corporation is a Pittsburgh, PA-based company in the Energy and Utilities sector.
Avista Utilities: Avista is involved in the production, transmission and distribution of energy. We provide energy services and electricity to 360,000 customers and natural gas to 321,000 customers in a service territory that covers 30,000 square miles in eastern Washington, northern Idaho and parts of southern and eastern Oregon, with a population of 1.5 million. Avista is an operating division of Avista Corp.
Headwaters Incorporated (Headwaters) is a diversified company providing products, technologies and services in three industries: building products, coal combustion products (CCPs) and energy.