- The National Center on Health, Physical Activity, and Disability: http://www.ncpad.org/shop/
- The Heart Rate Monitor Shop: http://www.heartratemonitor.co.uk/pedometers.html/
- New Lifestyles: http://www.new-lifestyles.com
- The Heart Foundation: http://www.heartfoundation.org.au/Pages/default.aspx
- WellSource: http://www.wellsource.com/estore/Health-Testing-Equipment.html
- Walk for Life, Inc.: http://www.walk4life.com