Walgren Company - Koch Finishing (www.kochllc.com) Employee Directory

Machinery ManufacturingMichigan, United States2-10 Employees

Walgren Company, operating under the Koch Finishing brand, designs, builds, and installs automated turnkey metal finishing lines and industrial wastewater treatment equipment. With more than 50 years in the metal finishing equipment field, the company develops systems tailored to each facility’s production schedule, leveraging modern control and data logging to support reporting. Its engineering scope covers a range of finishing processes, including anodizing, electro-coloring, decorative and functional plating, and plating on plastics, among others.

Headquartered in Grand Rapids, Michigan, the firm serves customers across aerospace, automotive, architectural, and consumer industries, ranging from large manufacturers to smaller job shops. It emphasizes delivering systems customized to meet individual coating requirements and to integrate with existing plant operations. In early 2025, KOCH Finishing Systems and George Koch Sons, LLC announced an expansion of their Rochester Hills facility, signaling growth in the group’s footprint.

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