Martin A. Tetreault, P.A. Family Law Attorney Smithfield North Carolina NC Divorce Domestic Violence Lawyer Martin A. Tetreault, attorney at law, represents clients with legal issues related to traffic offenses, family law, including separation, divorce, custody, child support, domestic abuse, estate planning, and business and commercial law. We serve clients in the Johnston County, North Carolina area, including Smithfield, Clayton, Selma, Benson, Four Oaks, Princeton and Pine Level.