UnitedHealth Group: Health insurance provider based in the United States. Approximately $324 billion gross revenue.

Ping An Insurance Group: Insurance conglomerate based in China, offering life and property insurance. Approximately $219 billion gross revenue.

AXA: French multinational insurance firm, operating globally in life, health, and property insurance sectors. Approximately $155 billion gross revenue.

China Life Insurance: Largest life insurance company in China. Approximately $139 billion gross revenue.

Anthem: Health insurance provider in the United States, offering a range of healthcare plans. Approximately $136 billion gross revenue.