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Pinnacle Financial Partners Inc is a financial holding company. The company operates through its wholly-owned subsidiary, Pinnacle Bank. The bank provides a full range of lending products, including commercial, real estate, and consumer loans to individuals and small to medium-sized businesses. It operates as a community bank mainly in the urban markets of Nashville, Knoxville, Memphis, and Chattanooga, Tennessee, as well as surrounding counties. It relies heavily on mergers and acquisitions. A majority of its loan portfolio is in commercial loans, mainly real estate, as well as industrial loans. The bank generates a majority of its net revenue through net interest income.

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.