The wallstreet ransomware group listed Black Hills Bentonite on its data leak site on 2026-08-10. Country: US Sector: Manufacturing Domains named: bhbentonite.com Claim as published on the leak site: Black Hills Bentonite LLC (bhbentonite.com) is a Wyoming-based producer of high-quality sodium bentonite, along with lignite-related products, supplying global industrial and commercial uses such as drilling fluids, environmental/civil engineering sealing, absorbents (including cat litter), and metal casting/foundry applications