1 EXHIBIT 21 SUBSIDIARIES OF THE REGISTRANT NAME STATE OF INCORPORATION - ---- ---------------------- SuperShuttle Arizona, Inc. ................................. Arizona SuperShuttle DFW, Inc. ..................................... Texas SuperShuttle of San Francisco, Inc. ........................ California SuperShuttle Franchise Corporation.......................... Delaware Tamarack Transportation, Inc. dba SuperShuttle Los Angeles................................................... California Preferred Transportation, Inc. dba SuperShuttle Orange County.................................................... California Southern Shuttle Services, Inc. dba SuperShuttle Miami...... Florida AAA Wheelchair Wagon Services, Inc. ........................ Florida Limousines of South Florida, Inc.(1)........................ Florida Wheelchair Ambulance of Hollywood, Inc. .................... Florida A1A Snowbird Leasing, Inc. ................................. Florida Shuttle Express, Inc.(1) dba SuperShuttle Baltimore......... Maryland Shuttle Associates, LLC dba SuperShuttle New York........... New York - ------------------------------ (1) The Company owns a fifty percent (50%) equity interest in its Baltimore operation, which is also subject to a franchise agreement with the Company. The Company also has a right of first refusal with respect to the sale thereof.