EXHIBIT 21 SUBSIDIARIES 1. SUBSIDIARIES AS OF DECEMBER 31, 1998, WHICH ARE CONSOLIDATED IN THE FINANCIAL STATEMENTS OF THE REGISTRANT; EACH SUBSIDIARY IS 100% OWNED AND DOING BUSINESS UNDER ITS OWN NAME. NATION OR STATE SUBSIDIARY OF INCORPORATION Continental American Corporation Delaware Crown Central Holding Corporation Maryland Crown Central International (U.K.), Limited United Kingdom Crown Central Pipe Line Company Texas Crown Gold, Inc. Maryland The Crown Oil and Gas Company Maryland Crown-Rancho Pipe Line Corporation Texas Crown Stations, Inc. Maryland Crowncen International N.V. Netherlands Antilles Fast Fare, Inc. Delaware F Z Corporation Maryland Health Plan Administrators, Inc. Maryland La Gloria Oil and Gas Company Delaware Locot, Inc. Maryland McMurrey Pipe Line Company Texas Mollies Properties, Inc. Maryland Tiara Insurance Company Vermont T. B. & Company, Inc. Maryland 46