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Koyo USA Corp. was the first tenant to produce purified deep seawater-based drinking water on a commercial basis at NELHA starting in 2003, and the first tenant licensed to use a new trademarked NELHA logo to certify its water source as 100% deep seawater. From its present site of 30 acres, Koyo USA Corp. produces a bottled water product, “Mahalo”, which consists of purified 100% Hawaii deep seawater, exported on a weekly basis to an enthusiastic, growing Japanese consumer market.