Blue Shield is a health insurance company that provides a variety of health plans to individuals, families, and businesses. Founded in 1939, it focuses on offering affordable healthcare coverage, including medical, dental, and vision services. The organization operates primarily in the United States and is known for its commitment to improving access to healthcare. As a part of the Blue Cross Blue Shield Association, Blue Shield collaborates with a network of healthcare providers to ensure members receive quality care. The company emphasizes preventive care and wellness programs, aiming to promote healthier lifestyles among its members while managing healthcare costs effectively.