 Although the Mexican aircraft industry is mostly foreign, as is its car industry, Mexican firms have been founded such as Aeromarmi, which builds light propeller airplanes, and Hydra Technologies, which builds Unmanned Aerial Vehicles such as the S4 Ehécatl, other important companies are Frisa Aerospace that manufactures jet engine parts for the new Mitsubishi Regional jet and supplies Prat&whittney and rolls Royce jet engine manufacturers of casings for jet engines and Kuo Aerospace that builds parts for aircraft landing gear and Supplies bombardier plant in Querétaro.As compared with the United States or countries in Western Europe a larger sector of Mexico's industrial economy is food manufacturing which includes several world class companies but the regional industry is undeveloped.There are national brands that have become international and local Mom and Pop producers but little manufacturing in between.