"At ACE, our team members and health and fitness professionals are united by an overarching goal: to help people live their most fit lives." ACE offers fitness certifications and continuing education.
"The American College of Sports Medicine advances and integrates scientific research to provide educational and practical applications of exercise science and sports medicine." ACSM offers health fitness certification.
"The National Strength and Conditioning Association (NSCA) is a nonprofit professional organization dedicated to advancing the strength and conditioning profession around the world." NSCA offers certifications and continuing education.