Bruin Manufacturing is an industry-leading manufacturer of precision plastic components utilizing high-output plastic injection molding process lines. Bruin Manufacturing has been dedicated to producing quality plastic components with lean manufacturing techniques since 1949. Bruin’s first automatic / lights-out machine was built in 1963 – and is still produced today. Built on a foundation of solid engineering, our lights-out production model allows us to meet your needs for quality, time and price. From prototype to pilot and small-batch to large-scale production, we leverage innovative plastic injection molding processes, proprietary technologies, and knowledgeable team members to deliver high-quality on-demand injection-molded parts.