Proud to be a Division of Komline since 2021. Komline-Barnes manufactures a wide range of coolant filtration equipment to serve the needs of grinding, honing and cutting machine manufacturers and end users. Over the years, Barnes has been awarded hundreds of patents covering major developments in all product lines. Barnes' history of technological leadership has been and will continue to be a key factor in our success. Located in the heart of downtown Rockford, Illinois, Barnes is based in a 160,000 square foot facility with a staff of dedicated employees who design, manufacture, assemble and test coolant filtration equipment. The vision for tomorrow is growth through innovative product development and excellent product quality and service.