Wings Over Wasatch: Salt Lake area, Utah
Wallaby Ranch Flight Park: Orlando, Florida
Florida Ridge Flight Park: Clewiston, Florida
Blue Sky Hang Gliding: Richmond, Virginia
Mission Soaring Center: Milpitas, Ca.
Martin's "Hangar 3" Aero-tow & Tandem, N.Y.
High Adventure, Crestline, Ca.
Fly Away Hang Gliding, Santa Barbara, Ca.
John "Oly" Olson's site: nebulous locations :-)