Document 2NoJww81MmOoY6q2NNOEVwZor

PLAINTIFF'S EXHIBIT API-37 FOR INTERNAL USE ONLY MEMBERSHIP SERVICES NOVEMBER, 1986 NOT FOR EXTERNAL DISTRIBUTION 1986 CORPORATE MEMBERSHIP Company Name A. Johnson & Company, Inc. ACF Industries, Inc. Acme Chain-Incom International Inc. Amerada Hess Corporation American M.A.N.-GHH Corporation American Fetrofina, Inc. AMF Tuboscope, Inc. Amoco Corporation Anadarko Petroleum Corporation Anschutz Corporation, The Apache Corporation Arapahoe Drilling Canpany Ash Grove Cement West, Inc. Ashland Oil, Inc. Astroline Corporation Atlantic Richfield Company Avco Specialty Materials Baker International Corp. Bass Enterprises Production Company Bechtel, Incorporated Bell Brothers BHP Petroleum (Americas) Inc. (includes Monsanto Oil Company) Bovaird Supply Company, The BP North America Inc. Bruce Anderson '' Buckeye Pipe Line Company Butte Pipe Line Company CF&I Steel Corporation Cactus Pipe & Supply Co., Inc. Caleb Brett USA, Inc. Calcasieu Refining Canpany Caltex Petroleum Corporation Cameron Iron Works, Inc. Camesa, S.A. Canada Cement LaFarge Ltd. Canadian Erectors Ltd, TIW Division (formerly under TIW, A Div. of Canadian Erectors Ltd) 0121.14 SC-API-5930 2- - Company Name Captiva Corporation Carl Oil & Gas Co. Champlin Petroleum Co. Chandler & Associates, Inc. Chevron Corporation Citation Oil & Gas Corporation Cities Service Oil & Gas Corporation Colonial Pipeline Company Columbus Energy Corporation (formerly Consolidated Oil & Gas, Inc.) Ccmar Oil Company Conoco Inc. Consolidated Natural Gas Service Company Core Laboratories, Inc. Cox Oil & Gas, Inc. (formerly Edwin L. Cox & Berry R. Cox) Crown Central Petroleum Corporation CSX Oil & Gas Corporation (formerly Texas Gas Exploration Corp.) Damson Oil Corporation Davis-Lynch, Inc. Deminex U.S. Oil Company Depco, Inc. Det Norske Veritas (formerly Veritas Technical Services, Inc.) Diamond M Company Diamond Shamrock Corporation Dresser Industries, Inc. Dresser Clark Division Earl M. Craig, Jr. Corporation Elf Aquitaine, Inc. (associate member) Empak-Mex, S.A. Energy Services Group of Cooper Industries Enron Corp (formerly HNG InterNorth) Enserch Exploration, Inc. Entex Petroleum, Inc. Ethyl Corporation Exxon Company USA Fiske Brothers Refining Company Flanges, Inc. Fluor Corporation Forest Oil Corporation Freeport-McMoRan Inc. 0121.15 3- - Canpany Name GATX Corporation Global Marine Inc. , Gulf Canada Corporation Gulf Interstate Energy, Inc. Halliburton Company Hamilton Oil Corporation Hamon Operating Company (formerly Hamon Oil Corporation) Howell Corporation HRI Resources, Inc. (formerly Highland Resources, Inc.) Hrubetz Oil Company Hughes Tool Company Hunt Oil Company Ingersoll-Rand Company IRI International Corporation J. B. Coffman & Associates, Inc. J. M. Huber Corporation JN Oil and Gas Jones Company Justiss Oil Company, Inc. (1987) Kaneb Pipe Line Company Kerr-McGee Corporation KTI International Corporation (formerly KTI Engineering, Inc.) L. B. Foster Company LTV Energy Products Company LTV Steel Tubular Products Company Lakehead Pipe Line Company, Inc. Lee C. Moore Corporation Lloyd Corporation, Ltd. Lone Star Steel Company Louisiana Land & Exploration Co., The Lubrizol Corporation, The Lumnus Crest Inc. MAPCO Inc. Marathon Oil Company Mark Producing Company Marshall Petroleum, Inc. Meenan Oil Co., Inc. 012.116 4- - Company Name Meter Engineers, Inc. Michel T. Halbouty Energy Co. Miller Brothers Co-Partnership Mine Safety Appliances Company Mitchell Energy & Development Corp. Mobil Corporation Mosbacher Energy Company Murphy Oil Corporation Nalco Chemical Company National Cooperative Refinery Assn. National Supply Company NL Industries, Inc. Northern Tank & Steel Norton Christensen Drilling Products (formerly Norton Christensen, Inc.) Pacific Lighting Oil & Gas Company Panhandle Eastern Pipe Line Co. Parker Drilling Company Pennzoil Producing Company Petro-Lewis Corporation Petrolite Corporation Philip T. Sharpies Trust Phillips Petroleum Company Pioneer Production Corporation Pitt-Des Moines Inc. Placid Oil Company Plantation Pipe Line Company Portland Pipe Line Corporation Pruet Oil Company Quaker State Oil Refining Corporation Questar Corporation Reading & Bates Petroleum Company Reed Tool Company Rock Island Refining Corporation Rosewood Resources, Inc. 012117 5- - Company Name Rowan Companies, Inc. Roy M. Buffington, Inc. Santa Fe Energy Co. Santa Fe International Corporation (associate member) Shell Oil Company (includes Scallop Corp.) Smith International, Inc. Southern Pacific Pipe Lines, Inc. Southern States Cooperative, Inc. Standard Oil Co., Ihe Stelco Inc. . Steuart Petroleum Company Stupp Corporation Sun Company, Inc. Superior Supply Company Tauber Oil Co. Tenneco Oil Ccmpany Tesoro Petroleum Corporation Texaco Inc. Texas City Refining, Inc. Texas Eastern Corporation Tosco Corporation Total Petroleum, Inc. Transco Exploration Conpany True Drilling Company Union Tank Car Company Union Texas Petroleum Universal Resources Corporation Unocal Corporation UOP Process Division, UOP Inc. Vaughey & Vaughey Vista Marketing Group Ltd (formerly Self-Service Oil Ccmpany) Walter Oil & Gas Corporation Weatherford International Inc. Williams Pipe Line Company Wintershall Oil & Gas Corporation Witeo Corporation Zapata Corporation 012.118 6- - Foreiqn Company AFRICA Haggie Rand Limited Steel Construction & Petroleum Engineering Ltd. ARGENTINA Dalmine Siderca, S.A. AUSTRALIA Tubemakers of Australia, Ltd. AUSTRIA Vereingte Edlestahlwerke AG BELGIUM CIE Des Cintents Beiges ENGLAND Hattersley Heaton Limited FRANCE Ste. Chaudronnerie de Montage Tissot Location Cleveland, SA Mambassa, Africa Buenos Aires, Arg. New South Wales Temitz, Austria Gaurain-Ramecroix, Belgium London, England Podensac, France GERMANY Eisen-U. Metallwerke Femdorf Hoesch Rohr AG HUNGARY Taurus Hungarian Rubber Works ISRAEL Middle East Tube Co., Ltd. ITALY Dalmine S.P.A. Italcementi S.P.A. Femdorf, W. Germany Kirsinger, W. Germany Budapest, Hungary Haifa, Israel Milano, Italy Bergamo, Italy 7- - Foreiqn Company JAPAN Aria Iron Works Co., Ltd. Kawasaki Steel Corporation Nippon Kokan K.K. Nippon Steel Corporation Shoritsu Seisakusho Co., Ltd. Tahara Manufacturing Co., Ltd. Toyo Kanetsu, K.K. KUWAIT Kuwait Metal Pipe Industries, K.S.C. MALAYSIA Gaya Iron Works (S) Sdn. Bhd. NETHERLANDS B.V. Enraf-Nonius Delft NORWAY Norcem Cement A/S SCOTLAND Forth Tool & Valve Ltd. Pioneer Oilfield Equipment Ltd. SPAIN Altos Hornos de Vizcaya, S.A. Location Tokyo, Japan Tokyo, Japan Tokyo, Japan Tokyo, Japan Tokyo, Japan Niigata-Ken, Japan Tokyo, Japan Safat, Kuwait East Malaysia The Netherlands Brevic, Norway Fife, Scotland Aberdeen, Scotland Lesaca-Navarra, Spain VENEZUELA C. A. Conduven Caracas, Venezuela