Port City Group focuses on strong communication and attention to detail to provide the best in zinc and aluminum die casting. From our Muskegon, MI offices we are able to service a variety of national industries including companies that specialize in engineering, purchasing, medical, marine, automotive, and lighting. Additionally, our plastic components can be sold individually, or assembled onto a casting. We provide a quality record with strong up-front engineering support in a large company setting, however, we remain focused on individualized manufacturing locations to meet each customer's needs in a timely and supportive manner.