"In business to help you buy and sell" Biz Broker, LLC, is a nationwide business brokerage firm that was formed in 2010 by John E. Bunn. John brings a rich background in business sales and marketing. He has been a Business Broker since 2001. Although we have sold virtually every type of business, we specialize in Gas Stations, Convenience Stores, Liquor Stores, Autobody Shops, and Motels in Washington, DC, Baltimore, and the Mid-Atlantic Region.