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ESS Tech Inc is a long-duration energy storage company specializing in iron flow battery technology. The company design and produce long-duration batteries predominantly using earth-abundant materials.
Pioneer Power Solutions Inc designs, manufactures, integrates, services, and sells distributed energy resources, on-site and mobile power generation equipment, and a platform of mobile electric vehicle (EV) charging solutions.. Its principal products and services include custom-engineered electrical transformers, switchgear and engine-generator sets and controls, complemented by a national field-service network to maintain and repair power generation assets.