About us. Twin City EDM is a World Class Precision Machining & Manufacturing for the Medical and Industrial Industry. TCEDM is a family-owned business with a customer focus from prototype to production since 1959. We are looking for a technologically minded individual to add to our growing team. We focus on precision, not high volume. You will be given the opportunity to learn and grow in your role. What you will do. You may work on both manual a...