Johnson Fitness & Wellness officials announced the opening of a Lewisville location in March. The store occupies the former retail location at 2406-A S. Stemmons Fwy. Johnson Fitness & Wellness is the world's largest specialty fitness retailer, according to a press release. The retailer offers personal fitness and wellness equipment, including treadmills, ellipticals, stationary bikes, home gyms and accessories. 214-488-0717.