Agnesian HealthCare (Fond du Lac, Wis.). Agnesian HealthCare, which has 3,830 associates, is a strong proponent of employee wellness and fitness. The health system offers employees free preventive health screenings and health coaching, as well as access to low-cost monthly memberships at Agnesian HealthCare fitness centers. Wellness Council of America and Wellness Council of Wisconsin recognized Agnesian with the Gold Well Workplace Award last year, and the American Heart Association named the health system a Gold Level Fit-Friendly Worksite in 2015.