As your local State Farm agent, Doug Marrinson provides insurance services to local residents businesses throughout Cherokee County including Canton, Holly Springs, Hickory Flat, Roswell, Alpharetta and Woodstock.. This agency offers auto insurance, homeowners insurance, property insurance, life insurance, business insurance, commercial insurance & much more (boats, motorcycles etc.). Doug invites you to meet with him at his Woodstock (30188) office or at a location that is more convenient. We'll help you understand your options for personal insurance, vehicle insurance, restaurant insurance or any other personal or small business insurance needs.