Industrial Finishing for Manufacturing The Finishing Company is a privately owned custom coating company in Addison, Illinois, operating since 1904. A leader in alternative green processing technologies, our innovative plant spans more than 75,000 square feet and operates four different coating platforms. As an ongoing effort to preserve the environment, we only employ aqueous based coatings utilizing a closed loop system to eliminate hazardous VOCs. The Finishing Company is ISO 9001:2008 certified and will soon be ISO 14001 certified as part of our ongoing effort to offer environmentally friendly services and products. We also offer functional and decorative coatings to fulfill volume orders.