Established in 1948 by George Sneckner and William (Bill) Elliot, SEM® opened its doors in Belmont, California to provide the industry with top-quality residential paints. In 1973, SEM Products set foot in the automotive industry with the Topper, the first flexible coating that restores and alters the color of car vinyl tops. Today, SEM takes pride in its 67 OEM recommendations for 221 products. Made in the USA, SEM Products are composed of best-in-class and top-performing paint finishing and detailing products and equipment, protective coatings, rust and corrosion preventers and converters, adhesives and sealers, applicators and prep products, and many others. All Sneckner Elliot Manufacturing (SEM) Products are OEM tested, OEM trusted, OEM recommended, and Forever Warranted.