It is 5th in the United States on the Fortune 500. UnitedHealth Group offers health care products and insurance services. UnitedHealth Group is the largest healthcare company in the world by revenue $201 billion in 2017. UnitedHealth Group subsidiaries companies together serves approximately 115 million individuals in 2016.
UnitedHealth Group has two foundations, the United Health Foundation and UnitedHealthcare Children’s Foundation which were formed in 1999. Since established by UnitedHealth Group in 1999 as a not for profit private foundation, the United Health Foundation has committed more than $170 million to improve health and health care.
According to wikipedia