HomeServices of America knows bricks and mortar. The company is one of the largest residential real estate brokerages in the US, with more than 15,000 agents in offices operating under various brand names in some 20 states in the Midwest, Southeast, and on the West Coast. It also offers mortgages (through an agreement with Wells Fargo Home Mortgage), property/casualty insurance, home warranties, relocation assistance, and title and closing services. The company, founded in 1998, books approximately $70 billion worth of transactions annually. Warren Buffett's Berkshire Hathaway owns Home Services of America through MidAmerican Energy Holdings.