Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* Lawyer Marianna S Heyniger, Practice Areas No known practice areas. is located in the city of Groton, the state of Connecticut. Attorney legal address Electric Boat Corporation75 Eastern Point RdGroton, CT, 06340-4905. For more information, please call (860) 433-1591 Your comments* (not for publishing) * — Required information Marianna S Heyniger ← View details Electric Boat Corporation75 Eastern Point RdGroton, CT, 06340-4905, Groton, Connecticut (860) 433-1591