Raytheon Missile Systems (formerly Hughes Aircraft Co.), Texas Instruments, IBM, Intuit Inc., Universal Avionics, Honeywell Aerospace, Sunquest Information Systems, Sanofi-Aventis, Ventana Medical Systems, Inc., and Bombardier Aerospace all have a significant presence in Tucson.
Raytheon Missile Systems, Texas Instruments, IBM, Intuit Inc., Universal Avionics, Sunquest Information Systems, Sanofi-Aventis, Ventana Medical Systems Inc., e Bombardier Aerospace teñen todas unha presenza significativa en Tucson.