Ajax Tocco Magnethermic (ATM. ), a subsidiary of. ParkOhio. traces its roots back to the 1800s and has a rich history of excellence in induction heating and melting solutions. The present company was formed in 1959 when the Magnethermic Corporation acquired the assets of Ajax Electrothermic Corp. combining their expertise and capabilities. Position Summary. We are seeking a skilled and dedicated Manager - Project Management - to join our team at ...