5 Largest Auto Insurance Companies In The US

3. The Progressive Corporation (NYSE:PGR)

Market Share: 13.26%

The Progressive Corporation (NYSE:PGR) has over 55,000 employees and was founded in 1937 as an American insurance company.

The company claims to be one of the largest commercial auto insurers in the US. The Progressive Corporation (NYSE:PGR) insures cars, motorcycles, boats, and commercial vehicles, among more.