Berkshire hathaway is a world.renowned insurance and diversified investment group headquartered in the United States. The company mainly through the national security and GEICO and reinsurance giant general cologne re subsidiaries engaged in the property/casualty insurance and reinsurance business. Berkshire hathaway in the distribution chain Helzberb gem Diamonds, See's candy company 's candie's, Inc., engaged in flight training, the international company, footwear company (H.H.B one and Dexter) wait to have a stake.