1. QBE Insurance Group Limited

Market cap: $21.06 billion
Business line: General insurance, reinsurance
Headquarters: Sydney, NSW



2. Suncorp Group Limited

Market cap: $15.03 billion
Business line: General insurance
Headquarters: Brisbane, QLD

3. Insurance Australia Group Limited (IAG)

Market cap: $11 billion
Business line: General insurance, reinsurance
Headquarters: Sydney, NSW



4. Medibank Private Limited

Market cap: $8.95 billion
Business line: Private health insurance
Headquarters: Melbourne, VIC




5. Steadfast Group Limited

Market cap: $5.93 billion
Business line: General insurance
Headquarters :

Sydney, NSW