Operational for more than 40 years, Humana is one of the largest publicly traded health benefit companies in the United States. It specializes in a range of health insurance coverage products and services. The firm operates a subsidiary Humana Military Healthcare Services, and offers a range of health care plans. It has received numerous awards at the local, regional and national levels. In addition, the firm supports several community and charitable organizations. Headquartered in Louisville, Ky., Humana has a branch location in Austin, Texas.