1. Ricchiazzi Aviation 1749 W 13th St Ste A, Upland, CA 91786 Coordinate: 34.11239,-117.68567 Phone: (818) 415-7253
2. Sky West Instruments 1749 W 13th St, Upland, CA 91786 Coordinate: 34.11051,-117.68235 Phone: (909) 985-5718