About us. Strive 2 Fitness is a small business in St. Louis, MO. We are professional, engaging and social. Our work environment includes. Growth opportunities. Wellness programs. Flexible working hours. Group fitness and personal training are two of the most in-demand professions in the fitness world. Not just that, but these professions are one of the highest-paid as well. Both of the fields require extensive fitness training to acquire certific...