NASM: https://trainer.nasm.org/become-a-cpt-ps/

ACE: https://www.acefitness.org/education-and-resources/professional/continuing-education/cec-club

ACSM: https://www.acsm.org/

AAU: https://aausports.org/

USA Weightlifting: https://www.teamusa.org/USA-Weightlifting

USA Track & Field: http://www.usatf.org/

USA Volleyball: https://www.teamusa.org/USA-Volleyball/Membership

US Soccer: https://www.ussoccer.com/coaching-education/licenses

USA Basketball: https://www.usab.com/youth/development/coach.aspx

USA Football: https://usafootball.com/development-training/certification/

USTA: https://www.usta.com/en/home/coach/coaching-resources/national/coaching-opportunities.html

TASO: http://www.taso.org/become-a-sports-official

Cooper Institute: http://www.cooperinstitute.org/

Red Cross: https://www.redcross.org/

AFPA: https://store.afpafitness.com/yoga-instructor-certification-level-1/

Yoga Alliance: https://www.yogaalliance.org/Credentialing/Credentials_for_Teachers

YMCA: https://www.austinymca.org/?gclid=EAIaIQobChMIoPmgsIz13gIVwbjACh0iFg-REAAYAiAAEgL-bPD_BwE