I found these on the Row by Row website. They have a directory for every state.
Auntie's Attic Quilt Shop
1995 Military Road
Niagara Falls, NY 14304
716-297-3636
(their row is AWESOME!)
The Enchanted Quilt
1813 9th. St.
Wichita Falls, TX 76301
940-689-0990
Ft. Dix and Homestead do not appear to have participating shops. You may need to look for one in a nearby town.