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Sierra Bancorp is a California-based bank holding company, which offers a range of retail and commercial banking services. It offers a wide range of deposit products and services for individuals and businesses including checking accounts, savings accounts, money market demand accounts, time deposits, retirement accounts, and sweep accounts. The company's lending activities cover real estate, commercial (including small business), mortgage warehouse, agricultural and consumer loans, and also offers commercial construction loans and multifamily and agricultural credit facilities among other types of real estate loans.

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.