Paul B. Handel

Texas Medical Association, Inc. provides healthcare services and civic & social activities. It provides financial & investment planning, loans, and subscription services to its members. The company was founded in 1853 and is headquartered in Austin, TX.

Health Care Service Corp. provides health and life insurance services. It operates through its divisions: Blue Cross and Blue Shield of Illinois, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of New Mexico, Blue Cross and Blue Shield of Oklahoma, and Blue Cross and Blue Shield of Texas. The company was founded by Justin Ford Kimball in 1929 and is headquartered in Chicago, IL.

Intelligent Retinal Imaging Systems, Inc. designs and develops retinal diagnostic systems. The firm offers IRIS, a end-to-end diagnostic retinal imaging solution. The company was founded by Sunil Gupta in 2011 and is headquartered in Pensacola, FL.

Blue Cross & Blue Shield of Texas provides healthcare insurance plans. It emphasizes preventive medicine to hold down the costs of operating its HMO, PPO, point-of-service, and indemnity insurance health care plans in Texas. The company was founded in 1997 and is headquartered in Richardson, TX.