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Community Financial System Inc is a diversified financial services company providing a broad array of banking and other financial services to retail, commercial, institutional, and governmental customers. The Company also offers comprehensive financial planning, trust administration, and wealth management services through its Community Bank Wealth Management operating unit. It has four reportable operating business segments: Banking and Corporate, Employee Benefit Services, Insurance Services, and Wealth Management Services. The group generates the majority of its revenue from the Banking and Corporate segment.

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.