2015 Diversity Leader Health Care Service Corporation Headquarters: Chicago, Illinois CEO: Patricia Hemingway-Hall Employees: 22,000+ Recent Recognition Includes: National Business Group on Health, Best Employers for Healthy Lifestyles, 2012 & 2013 Computerworld, Best Places To Work in IT, 2012 & 2013 Training Magazine, Top 125 (organizations that excel at employee development), 2014... Read more