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Advance Power is a Calpella, CA-based company in the Energy and Utilities sector.
Central Virginia Wind Energy is a Charlottesville, VA-based company in the Energy and Utilities sector.
Proton Energy Systems is a Wallingford, CT-based company in the Energy & Utilities sector.
Appro-Tec Renewable Energy Engineering is a Siloam Springs, AR-based company in the Energy and Utilities sector.
Skyline Solar manufactures High Gain Solar (HGS) arrays incorporating industry-proven silicon cells, durable reflector materials and single-axis tracking into a complete, easy-to-deploy system. Skyline Solar HGS delivers ten times more energy per gram of silicon than traditional flat panel systems.