Williamsport, Pennsylvania Insurance AgentLehman Insurance was established in 1977 and merged with Gronski Insurance in 2001, forming Gronski-Lehman Insurance in Williamsport, Pennsylvania. The ERIE agency specializes in satisfying their customers’ auto, home, life and commercial insurance needs. Erie Insurance sells auto, home, life and business insurance through our network of independent agents in 12 states and the District of Columbia. “Great Service with a Smile” Principal agent John Gronski has more than 37 years of insurance experience. John is a graduate of AMTC (Agency Management Training Council) and is a proud recipient of the LUTCF (Life Underwriter Training Council, Fellow) designation. He and his experienced, fully licensed staff have combined insurance experience of more than 80 years. Together, they serve more than 5,000 clients at the agency. The staff is always ready and willing to meet their customers’ unique insurance needs.