Berkshire Hathaway is a conglomerate company that specializes in the insurance, freight rail transportation, and utility businesses. Its services include property, casualty, life, accident, and health insurance, reinsurance, home construction, lending, etc. The company engages in generating, transmitting, storing, and distributing electricity from natural gas, coal, wind, solar, hydroelectric, nuclear, and geothermal sources. Berkshire Hathaway also retails automobiles, furniture, bedding and accessories, household appliances, electronics, and other products.