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CertainTeed is a North Wales, PA-based company in the Energy and Utilities sector.
Solar Trust of America is a Beachwood, OH-based company in the Energy and Utilities sector.
Solar • Utilities • Commercial
Spruce is the largest private owner and operator of residential distributed energy resources in North America.
CREATING A SUSTAINABLE ENERGY FUTURE. Learn more We are hep Petra. At hep Petra, we work to secure a clean energy future by harnessing the power of renewable energy. We use the diverse experience and industry knowledge of our team to