Claros Technologies, a pioneer in perfluoroalkyl and polyfluoroalkyl substances (PFAS) testing and destruction services, raised $55 million in a Series B financing, led by Treehouse Family Capital, Nord Asset Management, Daikin America, Veralto, Bush Foundation, and Saint Paul & Minnesota Foundation. Faegre Drinker provided legal counsel throughout the deal, which closed on July 30, 2026.