AM Best has announced that the financial strength rating (FSR) of A+ (Superior) of Zurich Insurance and its rated affiliates are unchanged following the announcement that Zurich American Insurance Company (ZAIC), Zurich’S US non-life subsidiary, will acquire 100 percent of Rural Community Insurance Agency (RCIA) and its wholly owned subsidiary, Rural Community Insurance Company (RCIC), together known as Rural Community Insurance Services (RCIS).