Established in 1874, L.S. Jack Insurance Agency is the longest running insurance agency in Medway. Now in its third generation of family agents, the experienced and dedicated agents at L.S. Jack Insurance are here to help our customers navigate through the insurance process. Please contact any of our agents with questions or changes to your existing policy; if you need help filing a claim or making a payment; or require a comprehensive insurance quote for a home, auto, or business.