Keystone started in 1983 when four independent insurance agencies teamed up to pool their experience and expertise. Determine ... d and scrappy in the face of a difficult market, this small group believed that agencies could be stronger and more successful if they linked arms. Today, that passion and spirit that started Keystone continues. Growing to almost 300 independent agency partners, Keystone provides its agents with a community of like-minded agencies, industry expertise, and access to specialized products for their clients. Keystone is ranked fourth on Insurance Journal's 2020 list of Top 20 Privately-Held Property/Casualty Agency Partnerships. For more information, go to www.keystoneinsgrp.com. read more