Superior Storage Tanks and Trailers humble beginnings as a post WWII family business. Today 50 years later it still is. Specializing in mobile and stationary petroleum and related products storage, SST&T is committed to producing US made products and where feasible, utilizing US made steel and accessories. Now serving national and international markets, Superior has grown from a small welding shop to one of the premier providers of steel containment on the west coast, with design, engineering, and production capabilities for mild, stainless steel, and aluminum containment. Superior is a registered UL 142 tank manufacturer, listed California trailer manufacture and DOT listed DOT 406 trailer assembler. With consistent growth, unyielding commitment to our coworkers and our valued distributors, Superior is poised to meet customer needs in design engineering and construction for products ranging from 50 gallons to 15,000! A true American success story!