1 EXHIBIT 21 50.10% SUN COMPANY, INC. DECEMBER 31, 1994 SUBSIDIARIES OF THE REGISTRANT COMPANY NAME: INC/REG - ------------- ------- British Sun Oil Company Limited GB Caribe Sun Oil Company DE (Name Saver Company) COS Corporation IL Elk River Resources, Inc. DE - --Elk River Minerals Corporation DE - --Jewell Resources Corporation VA - ----Dominion Coal Corporation VA - ----Jewell Coal & Coke Company, Inc. VA - ----Jewell Smokeless Coal Corporation VA - ----Oakwood Red Ash Coal Corporation VA (Name Saver Company) - ----Vansant Coal Corporation VA - --Ray Coal Company, Inc. KY - ----Whitaker Coal Corporation KY - --Shamrock Coal Company, Incorporated DE Helios Capital Corporation DE - --Beneco Leasing One, Inc. DE - --HCC Investment Group, Inc. DE - ----Beneco Leasing Two, Inc. OH - ----Sunoco Leasing, Inc. DE - ------Heleasco One, Inc. DE - ------Heleasco Three, Inc. DE - --------Three Company, Inc. DE - ------Heleasco Five, Inc. DE - ------Heleasco Seven, Inc. DE - ------Heleasco Eight, Inc. DE - ------Heleasco Eleven, Inc. DE - ------Heleasco Twelve, Inc. DE - ------Heleasco Fourteen, Inc. DE - ------Heleasco Fifteen, Inc. DE - ------Heleasco Sixteen, Inc. DE - ------Heleasco Eighteen, Inc. DE - ------Heleasco Twenty, Inc. DE - ------Heleasco Twenty-One, Inc. DE - ------Heleasco Twenty-Two, Inc. DE - ------Heleasco Twenty-Three, Inc. DE - ------Heleasco Twenty-Four, Inc. DE - ------Heleasco Thirty, Inc. DE - ------Heleasco Thirty-One, Inc. DE - ------Heleasco Thirty-Two, Inc. DE - ------Heleasco Thirty-Five, Inc. DE - ------Heleasco Thirty-Eight, Inc. DE - ------HCC Financial Group, Inc. DE 2 - --Helios Investment Corporation DE - --Helios Service Company DE - --Kee Leasing Company DE - --Sun Leasing Company DE - --650 Leasing Company DE - --652 Leasing Company DE - --653 Leasing Company DE - --666 Leasing Company DE - --667 Leasing Company DE Marine Investment Company of Delaware DE - --Alaska Bulk Carriers, Inc. PA - --Aston Shipping Company DE - --Can-AM Barge Company, Inc. DE (Name Saver Company) - --Eastern Sun Barge Company DE - --Florida Barge Company DE - --New York Sun Shipping Co., Inc. DE - --Philadelphia Sun Shipping Co., Inc. DE - --Sun Barge Company DE - --Sun Transport, Inc. DE - ----Sarnia Shipping Company, Inc. LI (Name Saver Company) - ----Welland Shipping Company, Inc. LI - --Texas Sun Shipping, Inc. DE - --Tropic Sun Shipping Co., Inc. DE Mascot Petroleum Company, Inc. DE Mohawk Valley Oil, Inc. NY Radnor Corporation PA - --Eleven Penn Center Investment Company DE - ----11 PC, Inc. PA - --Morgan's Run Investment Company DE - --Radnor Asset Management Corporation DE - --Radnor Development Corporation DE - --Radnor Hospitality Services Corporation DE - --Radnor MidAtlantic Corporation PA - --Radnor Midsouth, Inc. DE - --Radnor Suncoast Corporation DE - --Radnor West, Inc. DE - --Radnor/Aire Corporation PA - --Radnor/Alexandria Corporation DE - ----#1 Radnor/Alexandria Corporation DE - --Radnor/Annapolis Corporation DE - --Radnor/Aragon Corporation DE - --Radnor/Argyle Corporation DE - --Radnor/Arlington Corporation DE - --Radnor/Ballston Corporation DE - --Radnor/Barclay Corporation DE - --Radnor/Beachway Corporation DE - --Radnor/Berkshire Corporation DE - --Radnor/Bluegrass Corporation DE - --Radnor/Bowie Corporation DE - --Radnor/Brentwood Corporation DE 3 - --Radnor/Brown Street Corporation DE - --Radnor/Calais Corporation DE - --Radnor/California Corporation DE - --Radnor/California Service Corporation DE - --Radnor/Carlsbad Corporation DE - --Radnor/Centre Corporation DE - --Radnor/College Park I Corporation DE - --Radnor/Collier Corporation DE - --Radnor/Cooper City Corporation DE - --Radnor/Credit Corporation DE - --Radnor/Delaware Avenue Corporation PA - --Radnor/Devon Green Corporation DE - --Radnor/Dunes Corporation DE - --Radnor/Dutton Mill Corporation PA - --Radnor/East Peoria Corporation DE - --Radnor/Edgewater, Inc. DE - --#1 Radnor/Ellipse Corporation DE - --Radnor/Encore Collection Corporation DE - --Radnor/Franklin Corporation DE - --Radnor/Fulton Industrial Corporation DE - --Radnor/Gasparilla Corporation DE - --Radnor/Georgia Corporation DE - --Radnor/Grand Oaks Corporation DE - --Radnor/Green Meadows Corporation DE - --Radnor/Greenway Corporation DE - --Radnor/Hampton Corporation DE - --Radnor/Hidden Lagoon Corporation DE - --Radnor/Housing Corporation DE - --Radnor/Hunters Pointe Corporation DE - --Radnor/I-95 Industrial Park Corporation PA - --Radnor/Indianapolis Corporation DE - --Radnor/Investment Corporation DE - --Radnor/Island Corporation DE - --Radnor/Jacksonville Corporation DE - --Radnor/Jupiter Beach Corporation DE - --Radnor/Jupiter Inlet Corporation DE - --Radnor/Kearny Mesa Corporation DE - --Radnor/La Jolla Centre Corporation DE - --Radnor/La Jolla Corporation DE - --Radnor/Laguna Corporation DE - --Radnor/Lakeside Corporation DE - --Radnor/Lantana Corporation DE - --Radnor/Lehigh Corporation PA - --Radnor/Lemon Grove Corporation DE - --Radnor/Lexon Corporation DE - --Radnor/Loudoun Corporation DE - ----Radnor/Loudoun Day Care Corporation DE - --Radnor/Main St. Corporation DE - --Radnor/Mandarin Corporation DE - --Radnor/Maple Corporation DE - --Radnor/Marina Corporation PA - --Radnor/Matsonford Corporation PA - --Radnor/Montclair Corporation DE - --Radnor/Murrieta Corporation DE - --Radnor/Northmark Corporation DE - --Radnor/Northridge Corporation DE 4 - --Radnor/Oakland Corporation DE - --Radnor/Old Hickory Corporation DE - --Radnor/Orange Crest Corporation DE - --Radnor/Orange Grove Corporation DE - --Radnor/Orange Hills Corporation DE - --Radnor/Pacific Corporate Center Corporation DE - --Radnor/Painted Desert Corporation DE - --Radnor/Parke East Corporation DE - --Radnor/Peachtree Point Corporation DE - --Radnor/Peachtree-Dunwoody Corporation DE - --Radnor/Phillips Industrial Park Corporation DE - --Radnor/Pier 5 Corporation PA - --Radnor/Plantation Corporation DE - ----Radnor Realty, Inc. DE - --Radnor/Plymouth Corporation PA - --I Radnor/Plymouth Investment Company DE - ----Plymouth Building I Business Trust PA - --III Radnor/Plymouth Investment Company DE - --IV Radnor/Plymouth Corporation PA - --Radnor/Plymouth Leasing Corporation PA - --Radnor/Raleigh #1 Corporation DE - --Radnor/Raleigh #2 Corporation DE - --Radnor/Raleigh #3 Corporation DE - --Radnor/Rancho California Corporation DE - --Radnor/Rocky Point Corporation DE - --Radnor/Route 100 Corporation PA - --Radnor/Sarasota Corporation DE - ----Laurel Oak Management Corporation DE - ----Laurel Oak Realty Corporation DE - --Radnor/Secor Corporation DE - --Radnor/Service Corporation PA - --Radnor/Sorrento Mesa Corporation DE - --Radnor/Spring Ridge Corporation DE - ----Radnor/Frederick Corporation DE - --Radnor/Spring Valley Corporation DE - --Radnor/Sun Village Construction Corporation DE - --Radnor/Sun Village Corporation DE - --Radnor/Tempe Corporation DE - --Radnor/The Orchards Corporation DE - --Radnor/Uwchlan Corporation PA - --Radnor/Vail Ranch Corporation DE - --Radnor/Valencia Corporation DE - --Radnor/Vanguard Corporation DE - --Radnor/Victorville Corporation DE - --Radnor/Villa Trinidad Corporation DE - --Radnor/Vista Mar Corporation DE - --Radnor/Westgate Corporation DE - --Radnor/Weston Corporation DE - --Radnor/Whitney Ranch Corporation DE - --Radnor/Willoughby Corporation DE - --Radnor/Yorba Linda-I Corporation DE - --RSV Advertising, Inc. DE - --Striker Investment Company DE Scandinavian Sun Oil Company A/S NW 5 Stop-N-Go Foods, Inc. DE - --Buckeye Marketers, Inc. OH - --Casual Food Stores, Inc. KY - --Diversified Retailers, Inc. OH - --J.M.J. Enterprises, Inc. OH - --King Kwik Minit Market Inc. OH - ----Drive-In Groceries, Inc. OH - ----Kwik Sav, Inc. OH - --Stop-N-Go Foods of Dayton, Inc. OH - --Stop-N-Go of Ohio, Inc. OH - --Super-Go Marketers, Inc. OH Sun Alternate Energy Corporation DE Sun Atlantic Refining and Marketing Company DE - --Sun Atlantic Refining and Marketing B.V. NL - ----Atlantic Petroleum Maatschappij B.V. NL - ------Atlantic Petroleum Corporation DE - --------Atlantic Pipeline Corp. DE - --------Atlantic Refining & Marketing Corp. DE Sun Canada, Inc. DE - --Helios Assurance Company Limited BA - --Petrosun Limited GB - --Sun International Limited BA - --Sun Mexico One, Inc. DE - ----Sunoco de Mexico, S.A. de C.V. MX - --Sun Mexico Two, Inc. DE - --Sun Oil Exploration #4, Ltd. BA - --Sun Oil Exploration #5, Ltd. BA - --Sun Oil Ghadames Algerie Limited BA - --Suncor Inc. CN - ----Maywelle Properties Ltd. ON - ----SMS Petroleums Ltd. CN - ----Sun Oil Company of Canada Limited CN - ----Sunoco Home Comfort Inc. ON - ----Sunoco Inc. ON - ------Chemsun Inc. ON - ------133950 Canada Inc. CN - ------1044287 Ontario Inc. ON - ------Sunchem Inc. ON - ------388022 Alberta Ltd. AB - ----333817 Alberta Ltd. AB - ----566406 Alberta Ltd. AB - --Sunoco Limited GB Sun Coal Company DE Sun Company, Inc. DE (Name Saver Company) 6 Sun Company, Inc. (R&M) PA - --Hemisphere Oil Company, Inc. DE - --Mid-State Oil Company DE - --Puerto Rico Sun Oil Company DE - --Sun BEF, Inc. TX - --Sun Far East Trading, Inc. DE - --Sun FSC, Inc. VI - --Sun Lubricants and Specialty Products Inc. QU - --Sun Oil Far East, Inc. DE - --Sun Petrochemicals, Inc. DE - --Sunmarks, Inc. DE Sun Executive Services Company PA Sun Noordzee Oil Company DE Sun Ocean Ventures, Inc. DE Sun Oil Argentina Limited BA Sun Oil Argentina Limited S.A. AT Sun Oil Berau Indonesia Limited BA Sun Oil Bolivia Limited BA Sun Oil Britain Limited DE - --Sun Oil Company (U.K.) Ltd. DE - --Sun Oil North Sea Limited EN Sun Oil Company DE (Name Saver Company) Sun Oil Espinal Colombia Limited BA Sun Oil Exploration #2, Ltd. BA Sun Oil Exploration #3, Ltd. BA Sun Oil Export Company DE - --Sun Oil M'Pira Gabon Limited BA - --Sun Oil Makok Gabon Limited BA - --Sun Oil N'Komi Gabon Limited BA - --Sun Oil Oyan Gabon Limited BA - --Sun Oil Panga Gabon Limited BA - --Sun Oil Tassi Gabon Limited BA Sun Oil Halrut Yemen Limited BA Sun Oil International, Inc. DE Sun Oil Largeau Chad Limited BA Sun Oil Muturi Indonesia Limited BA Sun Oil New Zealand Limited BA 7 Sun Oil Paraguay Limited BA Sun Oil Shabwa Yemen Limited BA Sun Oil (Thailand) Limited TH Sun Oil Trading Company DE Sun Orient Exploration Company DE Sun Petroleum Products Company, Inc. PA (Name Saver Company) Sun Pipe Line Company of Delaware DE - --Mid-Continent Pipe Line Company OK - --Mid-Valley Pipeline Company OH - --Sun Oil Line Company of Michigan MI - --Sun Pipe Line Company PA - --Sun Pipe Line Services Co. DE Sun Refining and Marketing Company DE (Name Saver Company) Sun Services Corporation PA Sun Ship, Inc. PA - --Lesley Corporation DE - --660 Leasing Company DE - --663 Leasing Company DE - --TTT, Inc. DE Sun Tech, Inc. DE (Name Saver Company) Sun Ventures, Inc. PA Sun-Del Services, Inc. DE Suncrest Industries, Inc. PA Sunmark Industries, Inc. PA (Name Saver Company) Sunoco Energy Development Co. DE (Name Saver Company) Sunoco Overseas, Inc. DE - --Lugrasa, S.A. Sunoco Science and Technological Services, Inc. NY (Name Saver Company) Suntide Refining Company DE The Claymont Investment Company DE - --Sunoco Credit Corporation DE 8 Triad Carriers, Inc. PA - --BBQ, Inc. PA - --Carrier Systems Motor Freight, Inc. DE - --SCI Investments, Inc. DE Yabucoa Sun Oil Company, Inc. DE (Name Saver Company)