Interplastic Corporation is a leading manufacturer of unsaturated polyester, vinyl ester, and specialty resins, as well as gel coats and putties under the CoREZYN and Silmar brand names. With more than 70 years of stability, innovation, and growth as part of IP Corporation, we serve the composites, cast polymer, and solid surface industries. We are known for our technical expertise, customer-first mindset, and collaborative culture built on long-term partnership. The Production Shift Supervisor leads daily production activities for the night shift, ensuring safe work practices, consistent product quality, and efficient workflow. This role provides leadership, direction, and support to production team members while coordinating with Maintenance, Quality, and other supervisors to maintain smooth plant operations.