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Tompkins Financial Corp is a Financial Holding Company. The company manages its operations through two business segments, consisting of banking and wealth management. It offers various products and services, including commercial and consumer banking, leasing, trust and investment management, financial planning and wealth management, and insurance. Wealth management activities include the results of the company's trust, financial planning, and wealth management services. The company generates the majority of its revenue from the Banking 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.