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Presurance Holdings Inc is an insurance holding company that markets and services product offerings through specialty personal insurance lines of business. Through its personal insurance lines, it offers homeowners insurance and dwelling fire insurance products to individuals in several states. The specialty homeowners insurance product line is comprised of low-value dwelling insurance tailored for owners of lower valued homes, which it offers in Texas, Illinois and Indiana. Through commercial insurance lines, it offers coverage for both commercial property and commercial liability and also offered coverage for commercial automobiles and workers' compensation. Its revenues are derived from premiums earned from insurance operations.

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.