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Arrow Financial Corp is a holding company. It provides various advisory and administrative services and coordinates the general policies and operations of the banks. It provides financial products, including online and mobile banking, mortgages, commercial loans, investments, and others. The company also provides lending services, including commercial and industrial lending to small and mid-sized companies; mortgage lending for residential and commercial properties; and consumer installment and home equity financing. The key source of the company's revenue is interest income, fees, commission earned through its subsidiaries.

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.