MassMutual

MassMutual generated $28 billion in premium revenue, surpassing #3 New York Life by $3 billion, and maintains an A++ (Superior) claims-paying ability rating from A.M. Best—higher than the average mutual competitor. Founded in 1851 and based in Springfield, MA, this 172-year-old insurer demonstrates exceptional financial stability. The $28 billion revenue is 12% above the industry average for mutual insurers of similar size, reinforcing its strength in policyholder protection and long-term value.