| Total Training Systems Inc. TTS's certification course qualifies its graduates to train all age groups with diversified goals. | |
| The Fitness Firm For training group exercise leaders, personal trainers, and management staff of health and fitness programs. Mansfield, MA. | |
| The American College of Sports Medicine Promotes and integrates scientific research, education, and applications of sports medicine and exercise. | |
| Synergy Fitness Register for an online course to be a personal trainer. | |
| Speedo Sponsored WaterART Aquatic Fitness Provides aquatic fitness leaders with training based on current research. Canada. | |
| Sara's City Workout Provider of continuing fitness education. | |
| Professional Fitness Instructor Training Certification preparation and continuing education for personal trainers, group instructors, public educators. | |
| Outdoor Action Fitness Group and personal training, certification and continuing education courses, by Tina Vindum. | |
| Optimal Performance Institute Nutrition, sports psychology, natural health, naturopathy and health club management. | |
| Natural Fitness Trainers Association Certification for natural fitness trainer. Natural training methods are approved by the NFTA advisory board. | |
| National Strength Professionals Association NSPA has certified over 4,500 professional fitness instructors and personal trainers. | |
| National Strength and Conditioning Association Certification Commission For strength and conditioning specialists, and personal trainers. | |
| National Gym Association, Inc. A nonprofit organization maintaining industry standards, with details of contests, and career information. | |
| National Fitness Therapy Association A non-profit accrediting association for fitness professionals and fitness facilities. (Winter Park, CO) | |
| National Federation of Professional Trainers Providing trainer certification for over 16 years. Directory, free software, NFPT magazine, forums. | |
| National Dance Exercise Instructors Training Association NDEITA, workshops in Group Exercise, Personal Training, Pilates, continuing education. | |
| National Council on Strength and Fitness Personal training certification and continuing education for the fitness professional. | |
| National Association for Fitness Certification Training and continuing education for personal and group trainers, consultants. | |
| National Academy of Sports Medicine Addressing fitness, sports performance, and sports medicine. Live, online, and home-study courses. | |
| National Academy for Health and Fitness Master Instructor, Massage Specialist, Boxing, Aquatics, Plyometrics. | |