Grinnell Mutual Reinsurance, part of the Grinnell Mutual Group, reinsures some 300 smaller farm mutual insurance companies across the Midwest. It also provides basic property/casualty insurance products including commercial, farm, and personal coverage. Along with reinsurance, it provides its farm mutual customers with such special services as sharing the cost of training and paying insurance adjusters. It also offers customized accounting and claims management software and maintains a special investigations unit. Grinnell Mutual Reinsurance was founded in 1909 to provide reinsurance for farm mutual insurers.