Open directory- Manhattan/Health/Fitness/Pilates/
Pilates Method Alliance-The international not–for–profit association for Pilates studios and Instructors.
Wikipidia- Information about Pilates from Wikipedia, the free encyclopedia.

In Alphabetical order:
Balanced body- Finely crafted Pilates equipment.
Balance of Power- A full service Pilates studio located in Santa Cruz, CA.
Body Control Pilates- Pilates in England
Body Evolutions Studio - Offers personally supervised Pilates and Gyrotonic programs in Campbell, CA.  
Body 'n' Sync- Pilates instruction and teacher certification in Port Washington NY.
Core Dynamics- Pilates teacher certification programs by Michele Larsson.
Classical Pilates- Great source of traditonal Pilates videos.
Equalibra Studio- Pilates training in Montreal, Canada.
Judd Robbins' Bodymind Network- A site that offers a Pilates list/bulletin board and other info.
Momentum- Pilates in Santa Fe NM.
Movementworks Pilates Studio- Pilates studio by Lynne and Peter in Little Silver, NJ.
Pilates Info- A site that lists many Pilates topics.
Pilates Information and advice in one place.
Pilates Insight- online resource for information related to the Pilates fitness phenomenon.
Pilates-Method-Exercise.com - A simple guide to using Pilates exercise for health & fitness.
Pilates North- Richmond Hill's First Pilates Studio serving North Toronto and surrounding area
Pilates Physique- Pilates in St. Petersburg, Florida.
The Pilates Center of Boulder- A great Pilates teachers certifying center.
The Pilates Studio of LA- Pilates in LA
The Pilates Trademark Cancellation Site- The Pilates name is back in the public domain.
Polestar- Pilates rehabilitation and certification.
Stott Pilates- For videos, manuals, quality equipment, training & certification
Studio Lindberg- Pilates in the heart of London, UK
Studio Lotus- Pilates in Atlanta GA