Stego Industries, LLC
Wholesale Building MaterialsCalifornia, United States51-200 Employees
Stego Industries, LLC is a wholesale building materials provider based in San Clemente, California, founded in 1998. The company specializes in protecting below-slab spaces from moisture vapor and soil gases, led by its flagship Stego Wrap Vapor Barrier, a widely specified solution in North America. Its barrier systems address moisture control, vapor intrusion for brownfield sites, termite protection, crawl space encapsulation, and concrete accessories for commercial and residential construction. Stego serves customers including office buildings, data centers, research labs, hospitals, and stadiums, offering technical guidance and local support to help with product selection and installation. In June 2026, Stego announced the acquisition of Multi-Panels, Inc., expanding its portfolio with high-performance cementitious panels and reinforcing its position in engineered below-slab and crawl space barriers.