Lightfield Systems http://www.lightfield.com
Color and sound therapies using the pulse reading technique of Dr. Paul Nogier to find precisely matching resonance frequencies and colors. Tools, trainings, and sessions.
Renergy http://www.renergy.co.uk
Renee Ganger describes the theory of colour therapy, and offers lectures and services in this area as well as light therapy and reflexology, in London (UK) and Antwerp (Belgium).
Spirit Art http://www.spiritart.net/
New Mexico School of Intuitive Art founded by Betty Metoyer. Analyze colors and images in art to determine emotional, mental and spiritual well being. Workshops available.
Aura-Soma