Columbus, Ohio, February 14, 2012: Demotech, Inc. and Appalachian Underwriters, Inc. (AUI) are pleased to announce that insurers earning a Financial Stability RatingĀ® (FSR) of A or better from Demotech are eligible for standalone personal umbrella insurance quotations for Preferred, Standard, and Higher Risk umbrellas with limits up to $10 million in most instances. Producers ...