A local bank that proudly invests in the people, places and businesses that make Maine strong. Exceptional Service Without Exception. Every time a customer opens any BSI Neighbor to Neighbor Advantage Checking Account, we'll donate $25 to a local non-profit of their choice. Plus, all new checking accounts with an initial deposit of $100 or more also receive a $10 Neighbor to Neighbor Gift Certificate to support a local participating business. BSI named one of the Best Places to Work in Maine.