Profile: Griffis Steel Co., Inc. is a steel fabricator and structural steel erection contractor. We produce compressed, metal inserted, fiber, rubber, asbestos, galvanized and aluminized steel sheets & copper, brass, bronze, zinc and tin plates. Our products include burners and burner registers, boiler casings, rectangular or round flues & ducts, box fold or camera fold metal expansion joints, over fire air injectors and related duct work, structural steel & insulated steel doors.