Tennis Zones - Sells instructional videos that cover stroke technique. - http://www.tenniszones.com
PracticeHit Tennis Swing Trainer - A swing trainer with a stable support base is attached to ball support shaft to practice groundstrokes. - http://www.practice-swing.com
Inga-Vid Productions - Offering a DVD instruction set teaching the modern fundamentals of tennis. - http://www.fundamentalsoftennis.com
Unlimited Doubles - A book that covers winning doubles tennis instructions. - http://www.unlimitedtennis.com
Peak Performance Products Inc. - Manufactures and sells tennis training aids and equipment, tennis swing trainer for tennis elbow injury, videos and accessories. - http://www.practicehit.com
MyCoachOnline Instructs Tennis - Online video instruction of tennis basics. Including grips, strokes and court strategies. - http://www.mycoachonline.com/Tennis/index.lasso
Lobster Tennis Ball Machines - Manufactures and sells ball machines and ball hoppers. - http://www.lobsterinc.com
The Valverde System - A cd set that discusses how to improve mental-toughness based upon light. - http://www.bmentallytough.com/
Smart Tennis Audio Series - A set of audio cds that covers topics such as junior tennis, match play, and how to play under pressure. - http://www.tennisinstructioncd.com
Active Sports Tennis Ball Machines - Sales and service of tennis court equipment including tennis ball machines, ball mowers, and serving machines. - http://www.active-sports.com
Simple Tennis - Sells downloadable tennis video lessons including the forehand, backhand, volley and serve. The tennis video lessons are taught by Scott Pedersen, a certified Tennis Canada teaching professional. - http://www.simpletennis.com
My Best Tennis - Audio Tapes to help mental toughness, strategy, and stroke technique. - http://www.mybesttennis.com
Bathroom Tennis - Visualization training and tennis instruction with the tennis shower curtain and mental training booklet. - http://www.bathroomtennis.com
Mind Training for Tennis - A mental training visualization cd. - http://www.tennispsychology.com
SportPartners.net - Videos, books, and other training aids. - http://www.sportpartners.net/