The Wisconsin County Mutual Insurance Corporation (County Mutual) is A.M. Best rated and is owned by member counties in Wisconsin. The County Mutual has the financial security and comprehensive programs and services that will protect your county, while saving precious taxpayer dollars. What makes the County Mutual unique is our close working relationship with member counties. Acting in collaboration, the County Mutual and county owners work as a team to aggressively control their claims costs by promoting quality risk management efforts that are second-to-none in the industry. What started as a handful of counties joining forces in the midst of an insurance crisis in 1988 has grown to close to 75 percent of Wisconsin’s counties being insured by the County Mutual today. The County Mutual’s member owners work as a team to aggressively control their claims costs by promoting quality risk management. The Wisconsin County Mutual Insurance Corporation. Working together, we truly are a mutual effort.