| Active Sports Tennis Ball Machines: Sales and service of tennis court equipment including tennis ball machines, ball mowers, and serving machines. |
| Bathroom Tennis: Visualization training and tennis instruction with the tennis shower curtain and mental training booklet. |
| Icon Tennis Direct.: Reviews videotapes and makes suggestions for improvements to the players game. |
| Inga-Vid Productions: Offering a DVD instruction set teaching the modern fundamentals of tennis. |
| Lobster Tennis Ball Machines: Manufactures and sells ball machines and ball hoppers. |
| Mind Training for Tennis: A mental training visualization cd. |
| My Best Tennis: Audio Tapes to help mental toughness, strategy, and stroke technique. |
| MyCoachOnline Instructs Tennis: Online video instruction of tennis basics. Including grips, strokes and court strategies. |
| Oncourt Offcourt: Sells tennis training equipment and systems. |
| Peak Performance Products Inc.: Manufactures and sells tennis training aids and equipment, tennis swing trainer for tennis elbow injury, videos and accessories. |
| PracticeHit Tennis Swing Trainer: A swing trainer with a stable support base is attached to ball support shaft to practice groundstrokes. |
| 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. |
| Smart Tennis Audio Series: A set of audio cds that covers topics such as junior tennis, match play, and how to play under pressure. |
| SportPartners.net: Videos, books, and other training aids. |
| Tennis Zones: Sells instructional videos that cover stroke technique. |
| The Valverde System: A cd set that discusses how to improve mental-toughness based upon light. |
| Tom Avery Tennis Videos: Offers instructional videos and DVDs. |
| Unlimited Doubles: A book that covers winning doubles tennis instructions. |
Classical
