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Citizens Financial Services Inc is a Pennsylvania-chartered bank and trust company. The company through its banking subsidiary provides banking activities and services for individual, business, governmental and institutional customers. Its activities and services principally include checking, savings, and time deposit accounts; residential, commercial and agricultural real estate, commercial and industrial, state and political subdivision and consumer loans; and a variety of other specialized financial services. The Trust and Investment division of the Bank offers a full range of client investment, estate, mineral management, and retirement services.

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.