Community Bank System Inc is a financial holding company. The company predominantly operates through two wholly-owned subsidiaries: Community Bank, N.A. and Benefit Plans Administrative Services. Community Bank's business is operating a community bank providing a broad array of banking and financial services. These are offered chiefly to retail, commercial, and municipal customers in non-metropolitan markets, including small towns in upstate New York and Northeastern Pennsylvania. The company has historically relied on acquisitions to fuel growth, in addition to growing organically. A majority of its loan portfolio is tilted toward the consumer market on an installment, line of credit, or residential mortgage loan basis. The majority of the company's net revenue is net interest income.