Patterson Mold and Tool, LLC is a St. Charles, Missouri-based company that was founded in 1978. We have ISO9001 and AS9100 certifications for our QMS systems, and we are registered with ITAR. We have three shifts at our various locations to accommodate a variety of industries.

Stan and Ralph Patterson, brothers, developed Patterson Mold & Tool when it first opened in 1978. Ralph was employed at McDonnell Douglas as a test engineer, whereas Stan was a tool maker by trade. Patterson Mold & Tool has a history of expansion via superior customer service and high-quality products, starting with the original old brick facility on Arlington Ave. and continuing to our current state-of-the-art facilities.rucibledesign.co.uk