I will help you here to get the names of the top insurance companies so that you can have idea about them.

Here I have some names of the top companies

Non-health Insurance Companies:
Company Name Market Capitalization

Berkshire Hathaway (BRK.A) $308 billion

China Life Insurance (LFC) $80 billion

Allianz (AZSEY) $76.8 billion

American International Group (AIG) $72.3 billion

Ping An of China (PNGAY) $65.6 billion

MetLife (MET) $59.4 billion

AXA (AXA) $57.8 billion

AIA Group Hong Kong (AAIGF) $54.4 billion

ING Groep (ING) $54.4 billion

Zurich Insurance (ZURVY) $45.4 Billion


Health Insurance and Managed Health Care Companies:

Company Name Market Capitalization

United Healthcare (UNH) $91.8 billion

Wellpoint (WLP) $34.3 billion

Aetna (AET) $29.8 billion

CIGNA Corp. (CI) $26.8 billion

Humana (HUM) $21.1 billion

Centene Corp. (CNC) $5.7 billion

Health Net, Inc. (HNT) $3.9 billion

WellCare Health Plans (WCG) $3.1 billion

Healthspring (HS) $3.7 billion

Molina Healthcare (MOH) $2.4 billion