📍 6400 S Sprinkle Rd, Portage, MI, 49002
📞 269-459-1405
📍 6715 S Sprinkle Rd, Portage, MI, 49002
📞 269-532-1900
Updated Oct 2026
📍 4750 Executive Dr, Portage, MI, 49002
📞 269-323-1301
🌐 summitpolymers.com
Updated Oct 2026
📍 6400 Corporate Ave, Portage, MI, 49002
📞 269-323-2495
🌐 colonialengineering.com
Colonial Engineering Inc is a plastic mold manufacturer located in Portage, Michigan. The company has been active in the industry since at least 2015, providing services related to mold design and production. Local businesses seeking expertise in plastic molding can consider this manufacturer for their projects.