A Mutual Partnership

Located in Grinnell, Iowa, Grinnell Mutual operates in Iowa and fourteen other states. Founded in 1909 as Iowa Farmers Mutual Reinsurance Association, Grinnell is the 114th largest, primary property-casualty insurance company in the US.
On January 24, 2017 A.M. Best issued an 'A' rating for financial strength and an 'A' and stable outlook long-term issuer credit rating for Grinnell Mutual. This was the 26th consecutive year Grinnell Mutual received an 'A' rating from A.M. Best.
AM Best Rating
A. M. Best Co. is the oldest insurance rating agency in the world and has been reporting on the financial condition of insurance companies since 1899.
This rating is assigned to companies that have, in our opinion, an excellent ability to meet their ongoing obligations to policyholders.
(Source: AM Best website)