Postural Restoration Institute - one of the therapy practices CORE Services, Inc. advocates
Postural Restoration St. Louis
American Physical Therapy Association (APTA)
Association for Applied Psychophysiology and Biofeedback (AAPB) EEG Spectrum - source for biofeedback and neurofeedback information  -  answering all the information you have on neurofeedback
International Society of Neurofeedback and Research (ISNR)
Recommended practitioners in the St. Louis and surrounding areas:
Dr. Duane Keller - the dental practice CORE Services, Inc. works with for TMD
Neiman Consulting - source for health coaching in St. Louis
A Turning Point Counseling and Associates - Counseling and Art Therapy