Crush Kick 
Offering certification programs and videos for cardio kickboxing, self-defense and strength training.
http://www.crushkick.com/Top Shape Fitness 
Personal training and cardio kickboxing. Features location, class information, camps, profiles, FAQs, testimonials, prices, equipment and general information. Based in Columbia, Maryland.
http://www.tsfit.com
Kardio Kickboxing 
A workout that combines aerobics, cardiovascular and body toning while learning self-defense tactics. Based in Dallas, Texas.
http://www.metroart.com/cardiokick.htm
Physical Arts Ltd 
Teaching a holistic approach to martial arts training. Features instructor profile, club details, training style, philosophy and general interest information. Located in London, UK.
http://www.physical-arts.com
Shotobox 
A combination of Shotokan Karate and boxing. Information on class schedule, instructional videos and related articles.
http://www.nativenationsdanceco.homestead.com/shotobox.html
Kobu Power 
A weighted aerobic workout that teaches self defense. Contains details on training, certification, products, and contacts. Located in Wilmington DE, USA.
http://www.kobupower.com
Fitness Kickboxing Canada 
Specialize in helping participants reach their fitness goals through kickboxing, boxing, and weight lifting. Also provides in home personal training. Includes instructor profile, upcoming events, and contact information.
http://www.fitnesskickboxingcanada.ca
Goju-Robics 
Offers cardio kickboxing with self-defense techniques, dance moves and traditional aerobics. Includes martial arts, personal training and nutrition. Based in Wilmington, Delaware.
http://www.gojurobics.com
Orizon 
Offers workout that incorporate martial arts and dance. Includes background, events, gallery, testimonials and related links.
http://www.orizon-cs.com/
Fitness by Sue 
Features abdominal training, kickboxing and personal training. Nutrition and weight loss tips. Based in Vancouver, Canada.
http://www.fitnessbysue.com