Chelsea Groton Bank: Mutual bank providing full line of financial services to individuals and businesses in the region. Branch locations throughout New London County.
CorePlus Federal Credit Union, Inc.: Membership banking for employees of public schools or private nursery schools in New London County. Banking locations in Norwich, Groton and East Lyme.
Ledge Light Federal Credit Union: Membership banking open to Pfizer Inc. employees. Locations in New London and Groton.