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Nelnet Inc is a United States based company engaged in these four reportable segments; Loan Servicing and Systems, which focuses on student and consumer loan origination services and servicing, loan origination and servicing-related technology solutions, and outsourcing business services; Education Technology Services and Payments segment provides education services, payment technology, and community management solutions for K-12 schools, institutions, churches, and businesses; Asset Generation and Management segment includes the acquisition and management of student and other loan assets; and Nelnet Bank focuses on the private education and unsecured consumer loan markets. Maximum revenue for the company is generated from its Asset Generation and Management.

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.