About us. Mauston Tool is a custom injection mold building facility that was founded in 1978. Its experienced staff has forged numerous long-lasting relationships in the industry built on INTEGRITY and TRUST. CNC Programmer and Mill Operator. Mauston Tool Corp. Mauston, WI 53948. Summary. Mauston Tool is expanding and ability to serve a larger market in the plastic injection mold building industry. We are searching for dynamic individuals who des...