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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.
Harte-Hanks Inc is a customer experience company. The Company operates three business segments: Marketing Services; Customer Care; and Fulfillment & Logistics Services. The company has a geographic presence in the United States and Other countries. The majority of the revenue is earned from the United States.