R.C. Briggs Insurance Agency Inc. is an independent insurance agency, proudly serving the insurance needs of Amesbury, Newburyport, Salisbury, and all of Massachusetts since 1866. Our agents can help you find the best value on auto, home, and commercial insurance in MA. What does “independent” mean? As independent agents, we are not tied to any one insurance carrier. In other words, we can research rates and coverage options from several top insurance companies to find the best insurance products for you. We do the shopping and comparing to save you time and money! Contact us now for a free, comparative quote.