OLDWICK, N.J.-(BUSINESS WIRE)-A.M. Best has affirmed the Financial Strength Rating of A++ (Superior) and the Long-Term Issuer Credit Ratings of "aa+" of Berkshire Hathaway Homestate Insurance Company (Omaha, NE) and its five property/casualty affiliates: Cypress Insurance Company (San Francisco, CA), Oak River Insurance Company (Omaha, NE), Redwood Fire and Casualty Insurance Company (Omaha, NE), Brookwood ... Continue reading A.M. Best Affirms Credit Ratings of Berkshire Hathaway Homestate Insurance Company and Its Affiliates →A.M. Best Affirms Credit Ratings of Berkshire Hathaway Homestate Insurance Company and Its Affiliates was first posted on December 6, 2016 at 9:43 pm.