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Capitol Federal Financial Inc is a bank holding company that operates through its wholly-owned subsidiary bank. The bank is a community-oriented financial institution that offers a variety of financial services through tens of locations. It mainly serves metropolitan areas within the state of Kansas. The bank performs traditional banking functions such as deposit-taking activities and investing that money in first-lien residential mortgages. It also participates in commercial real estate loans with other lenders, investing those funds in various securities. The vast majority of the bank's loan portfolio is in originated one- to four-family real estate loans. Its primary source of income is 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.