Bruin Manufacturing is a family-owned plastic injection molding company, located in Marshalltown, Iowa, in the same spot since our company opened its doors in 1949. We have a unique approach to plastic injection moldings with our own custom, in-house tool shop. Because of this, we can deliver plastic injection moldings to your exact specifications and requirements, and we can do it with low cost and quick turnaround time. At Bruin Manufacturing, we are the small parts problem solvers. We offer total, integrated custom injection molding services that can meet your needs for quality, time, and price. This top-to-bottom integration means total control over every aspect of your project, from designing plastic injection molds, to turning out top-of-the-line parts with each custom plastic injection molding. We set high standards, and we make certain your parts meet or exceed your expectations. Bruin Manufacturing offers a wide range of in-house custom injection molding capabilities. Bruin is built on a foundation of solid engineering. Our “lights out” production model relies on total automation, with production meeting the toughest quality standards. Bruin Manufacturing has integrated a rigorous quality system and equipment to perfect lean manufacturing techniques and to deliver what our customers want and need: quality injection molded parts, quick turnaround time, and cost savings.