H.D. Segur Insurance in Wallingford, CT has the auto insurance, home insurance, and business insurance you need! H.D. Segur I ... nsurance is a full-service independent insurance agency that has provided insurance to individuals and businesses since 1890. We became one of Connecticut’s leading agencies by delivering exceptional value to our clients. From protecting a single automobile or home to covering the entire operation of a major corporation, H.D. Segur, Inc. has a long tradition of success. We strive to develop long-term relationships with our clients based on professionalism, experience, integrity, service and value. When it comes to Public Entities, our objective is to be the name mentioned when people ask for the best. read more