I found a few in the area, but they are much more spread apart than the Lancaster area. I plan to go up for a day to the Hershey show too.
http://www.smilespinners.com/
1975 Valley Road
Marysville, PA 17053
717.957.4225
(Harrisburg area)
All Sew Easy
Address: 3300 Hartzdale Dr. # 103
City: Camp Hill
Province: PA (Just west of Harrisburg)
Wilson's Calico Corner
Address: 3 Academy Road
City: Hamburg(Tilden Township)
PA 19526
Phone: 610-562-0588
Website: www.wilsonscalico.com
This is near the turnpike east of Hershey.