Wisconsin

As the co-owner of an industrial cleaning and painting company, Jack Simpson created the first SIMPSON pressure washer in 1961. The new pressure washing technology gave Jack’s crew a clear advantage and they quickly became known for delivering higher quality work in a lot less time than their competition. Today, SIMPSON still leads the industry in quality, innovation, reliability, and performance –and with over 60 years of industry-leading experience built into each of our products, it is easy to see why backyard heroes and job site champions everywhere prefer the SIMPSON Advantage.