Here are the ones I found in NJ, don't know exactly where you're located though:
Attitude Rhythmics - Westfield, NJ -
attituderhythmics.com
ph:908-654-9734
609 Central Ave. Westfield, NJ 07090
Big Apple Rhythmics - Rego Park NY (although listed as Jersey)
bigapplegym.com
93-29 Queens Blvd. Rego Park, NY 11374
Flyers Gymnastics Academy - Mays Lading, NJ
Head Over Heels Gymnastics - Atlantic Highlands, NJ
7 Kanes Ln. Middletown, NJ 07748
Middlesex Gymnastics Academy - East Brunswick, NJ
middlesexgymnastics.com ph: 732-249-6422
33 Mcguire St. East Brunswick, NJ 08816
Rhythmic Illusions - Middletown, NJ
rhythmicillusions.tripod.com
3 Gary Drive Middletown, NJ 07748
RhythmTEK - Bridgewater, NJ ph: 908-847-4522
428 Farmer Rd. Bridgewater, NJ 08807
Hope this helps!
Jessica
