National Underwriter Property & Casualty magazine, ranked the top performing companies in its July 2018 issue, a few of which are related to the auto insurance companies. The companies were ranked by the amount of net premiums written. Four were in the top 50:
- State Farm Mutual Automobile Insurance was ranked in the number one spot for the second year in a row, having $43,171,384,000 in net premiums written in 2017. State Farm saw 6.71 percent growth.
- United Services Automobile Association (USAA) maintained its 9th place ranking for the second time, growing by 6.42 percent. USAA had $7,489,797,000 in premiums written in 2017. Its combined ratio for 2017 is 112.04 compared to its 2016 combined ratio which was 112.64.
- Erie Insurance Exchange finished in 14th place, compared to its 15th place ranking in 2016. The Erie based company saw a 6 percent growth in 2017 and wrote $6,264,414,000 in premiums.
- Auto-Owners Insurance Company improved its ranking by finishing in 31st place compared to its 2016 ranking, at 33rd place. Auto-Owners Insurance wrote $3,576,535,000 in premiums in 2017.
Auto Club Insurance Association Co., that offers auto and home insurance products and services, faired closer to the bottom of the list coming in 65th place. The company did not improve its ranking from 2016, where it came in 64th place. Auto Club Insurance Association Co. operates as a subsidiary of Auto Club Insurance Association Group and wrote $1,597,462,000 in premiums in 2017. Truck Insurance Exchange dropped ten spots from its 2016 ranking. It finished 2017 in 90th place having written $1,099,317,000 in premiums. The company did not grow, declining by 3.91 percent.