Insurance Office of America (IOA) is a full-service insurance agency founded in 1988 by John Ritenour and Valli Ritenour. Tod ... ay, IOA is led by Chairman and CEO Heath Ritenour, and it is one of the fastest-growing independent agencies in the United States. IOA is ranked 13th on Insurance Journal’s 2019 Top 100 Independent Property/Casualty Agencies report and 25th on Business Insurance’s 2020 100 Largest Brokers of U.S. Business list. IOA was named a National Underwriter Agency of the Year in 2018. Headquartered in Longwood, Florida, part of the greater Orlando community, IOA has more than 1,200 associates located in over 60 offices in the U.S. and London. read more