STERO Warewashing systems are manufactured at our state-of-the-art facility in Petaluma, Ca. by the industry's most skilled and knowledgeable craftsmen and women. Every Stero product is built with the highest quality components and innovative features that have established our reputation as the food service industry's warewashing authority. The STERO name means outstanding value, dependable performance, and maximum productivity. We are committed to our customers.