Wall Colmonoy Oklahoma City, Okla., received a top rating of "1" or "outstanding" in quality for 2003 from Cessna Aircraft Co.'s Supplier Tracking and Reporting System (STARS 2000). Wall Colmonoy Oklahoma City is the official supplier of aircraft exhaust systems for the Cessna single engine piston aircraft division located in Independence, Kans. The models of aircraft Wall Colmonoy supports include the Cessna 172, 182 and 206.