Graycor translates blueprints into buildings. The company builds industrial, commercial, health care, and educational facilities in the US, Canada and Mexico. Through its four subsidiaries Graycor offers construction management, maintenance, and design/build services on projects ranging from industrial plant additions to office towers and shopping malls. It provides such trade services as carpentry and concrete and steel work. It also offers blasting, refractory relining, and other maintenance services for power utilities and automotive, food, metals, and waste management companies. Chairman and CEO Melvin Gray and his family own Graycor. Clients have included ArcelorMittal, Motorola, Toyota, and Lafarge.