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Pinnergy is a Austin, TX-based company in the Energy and Utilities sector.
Established in 2011, ESS Inc. manufactures low-cost, long-duration all-iron redox flow batteries for commercial and utility-scale energy storage applications requiring 4+ hours of flexible energy capacity. Its product, Energy Warehouse™, uses iron, salt, and water for the electrolyte, and delivers an environmentally safe, long-life energy storage solution for the world`s renewable energy infrastructure.
Hydraulic Energy Products Inc is a Denver, CO-based company in the Energy and Utilities sector.
Sproule Associates Limited is a Calgary, AB-based company in the Energy & Utilities sector.