The taxi cab industry in the Prince Georges County.

1.Silver Cab: Owned by Badi “Bob” Nabley-(Also owns Taxi-Taxi) controls 125 medallions-(dominant player in the market)
2.Blue Bird: Owned by Scott Bretner, but his son Scott Bretner is the president of Blue Bird-controls 186 medalions (reportedly controlled as many as 400 of the Taxicab operating certificates then in existance)
3. Paramont Cab/Paramount Cab-owned by Hashmatullah Haider-controls 102 medallions

Source: Dispatching Injustice: Cab Driver's Struggle in Prince George's County. Advancement Project. July 2009.