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Financial Institutions Inc operates through its subsidiaries, providing full range of banking services to consumer, commercial and municipal customers in Western and Central New York, and commercial loans in the Mid-Atlantic region, through a loan production office in Ellicott City, Maryland. It offers a broad range of loans including commercial business and revolving lines of credit, commercial mortgages, equipment loans, residential mortgage loans and home equity loans and lines of credit, automobile loans and personal loans. It operates in single segment of Banking.

Berkshire Hathaway is a holding company with a wide array of subsidiaries engaged in diverse activities. The firm's core business segment is insurance, run primarily through Geico, Berkshire Hathaway Reinsurance Group, and Berkshire Hathaway Primary Group. Berkshire has used the excess cash thrown off from its operations to acquire Burlington Northern Santa Fe (railroad), Berkshire Hathaway Energy (utilities and energy distributors), and the companies that make up its manufacturing, service, and retailing operations (which include Precision Castparts, Lubrizol, Clayton Homes, Marmon, and IMC/ISCAR). The conglomerate is unique in that it is run on a completely decentralized basis.