Free Ride

Air Travel Card, 1301 Pennsylvania Ave. N.W., Washington, DC 20004, (800) 222-4688;

Club Hotels by Doubletree, (800) 444-CLUB;

Delta Air Lines, (800) 323-2323;

Global Source, 345 California Dr., #747, Burlingame, CA 94010;

Hilton Hotels, c/o Douglas Consulting Group, 7758 Sunset Blvd., Los Angeles, CA 90046, (800) HILTONS;

Kensington Technology Group, 2855 Campus Dr., San Mateo, CA 94403, (800) 535-4242;

National Fire Protection Association, P.O. Box 9101, Quincy, MA 02269-9101, (617) 984-7275;

National Sleep Foundation, 1367 Connecticut Ave. N.W., #200, Washington, DC 20036, (202) 785-2300;

Runzheimer International, Runzheimer Park, Rochester, WI 53167, (414) 767-2200;

T.G.I. Friday's, (800) FRIDAYS;

USAir Shuttle, La Guardia International Airport, Flushing, NY 11371, (718) 397-6059;

United Airlines, (800) 241-6522.

This article was originally published in the March 1997 print edition of Entrepreneur with the headline: Free Ride.