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Plumas Bancorp provides banking products and services in Northeastern California and Northwestern Nevada, offering a range of deposit products for commercial and retail customers, including checking, savings, money market accounts, time deposits, retirement accounts, and sweep accounts for businesses and public entities, along with digital banking services such as mobile and internet banking, remote deposit, and electronic funds transfers, as well as other customary banking services. Its loan portfolio comprises commercial real estate, commercial and industrial, consumer, agricultural, residential real estate, and construction and land development loans, and the company generates its revenue from loans and investment securities, with additional income from service fees.

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.