Winners: State Farm, Amica, USAA
Amica enjoyed the top national consumer satisfaction ranking for auto insurance from JD Power and Associates for 12 years straight. Ratings were split by region in 2012, and Amica took the Northeast. State Farm took top honors in the South, and Central North, and West (minus California) with military-exclusive USAA also scoring high across the board nationally.
Sources: J.D. Power and Associates, Bloomberg Businessweek