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WEX Inc is a commerce platform that provides seamlessly embedded, personalized payments solutions. The company operates three business segments: Mobility, Benefits, and Corporate Payments. Mobility segment, the top segment by revenue, provides fleet vehicle payment solutions, transaction processing, and information management services for commercial and government fleets. The Corporate Payments segment offers business-to-business payment processing and transaction monitoring services. The Benefits segment generates revenue from healthcare payment products and its consumer-directed software platform. Its prime end market is the United States of America.

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.