Copyright © 2011, National Association of Professional Insurance Agents. All rights reserved. Terms of Use PIA and The Partnership The PIA Partnership, originally established as the Company Council of Executive Officers (CCEO) in 1996, is a group of insurance companies who share resources and work closely with PIA National to conduct research and provide tools and resources designed to benefit Professional Independent Insurance Agents. Partnership Companies Central Insurance Companies Encompass Erie Insurance Harleysville Insurance Liberty Mutual Agency Corp. MetLife Auto & Home Motorists Insurance Group Progressive Insurance Selective Insurance Group State Auto Insurance Companies The Hartford Travelers Special Thanks Contact