Two Greater Des Moines insurance agencies were recognized among the top-performing agencies in the nation by the Independent Insurance Agents & Brokers of America.  CSB Insurance Group of Johnston and LMC Insurance & Risk Management of West Des Moines were among 216 U.S. agencies, and among just three in Iowa, named as "Best Practices" agencies. A & J Petersburg Agency in Decorah was also recognized. To be chosen, an agency had to be among the 35 to 45 top-performing agencies in one of six revenue categories. The agencies that make up the study groups are selected every third year through a comprehensive nomination and qualifying process. The selected agencies retain their status during the three-year cycle by submitting extensive financial and operational data for review each year.