reinsurance founded april 17 1909 headquarters grinnell iowa usa key people larry jansen president & ceo number of employees 745 slogan a policy of working together website grinnellmutual.com grinnell mutual reinsurance company is a mutual reinsurance company based in grinnell iowa united states . the company operates in 14 states reinsuring 250 mutual insurance companies . contents 1 business performance 2 history 3 awards 4 related companies 5 references 6 external links business performance edit on december 10 2015 a.m. best issued an a excellent rating and stable outlook for grinnell mutual . 1 this was the 25th consecutive year grinnell mutual received an a rating . 2 grinnell mutual is the 114th largest property casualty insurance company in the u.s. grinnell mutual is the largest direct reinsurer of farm mutual companies in north america . with its member mutuals it has over 1 billion in combined written premium and 132 billion insurance in force . citation needed history edit in 1909 the company was formed in greenfield iowa as iowa farmers mutual reinsurance association by john evans to provide reinsurance for county mutuals in iowa . 3 in 1933 the company moved to grinnell iowa and changed their name to farmers mutual reinsurance association . 3 the name changed again in 1948 to farmers mutual reinsurance company . 3 the current name grinnell mutual reinsurance company was adopted in 1963 . 3 awards edit in addition to its a rating from a.m. best grinnell mutual has been recognized as an iowa top workplace 4 for five consecutive years . 5 related companies edit big m agency inc other lines of insurance 6 grinnell select an auto insurance provider references edit grinnell mutual reinsurance company . a.m. best rating services . a.m. best rating services . retrieved 2016 03 08 . grinnell mutual receives a rating from a.m. best for 25 consecutive years . grinnell mutual reinsurance company . grinnell mutual reinsurance company . archived from the original on 20 april 2016 . retrieved 8 march 2016 . a b c d our 100 years . grinnell mutual reinsurance company . archived from the original on 15 march 2016 . retrieved 8 march 2016 . about grinnell mutual reinsurance company . iowa top workplaces . the des moines register . retrieved 8 march 2016 . grinnell mutual named to 150 top workplaces for fifth consecutive year . grinnell mutual reinsurance company . archived from the original on 9 march 2016 . big m agency . big m agency . grinnell mutual reinsurance company . retrieved 8 march 2016 . external links edit grinnell mutual homepage iowa insurance division examination report grinnell mutual our 100 years this article on an insurance company is a stub . you can help wikipedia by expanding it . v t e retrieved from https en.wikipedia.org w index.php title grinnell mutual & oldid 738550447 categories companies based in iowaeconomy of the western united statesinsurance companies of the united statesmutual insurance companiesreinsurance companiesinsurance company stubshidden categories all articles with unsourced statementsarticles with unsourced statements from june 2016all stub articles navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was last modified on 9 september 2016 at 16 55 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view