Document bB1Z8Dz7Jmo63GE78Qe4Z9oGg

Annual Report Comparer tC37 Abraa/v* Grain Association 1870 Abrasive Mewnal* Division Norton Company 1837 Atxmuva Product* Company 1870 Abraaive* Oivbaon Bandlx Corporation 866 Aetna Abraarwe Company 836 Allegheny Ludlum Steel Corp. 866 Allied Chemtcal Corporation 870 AlttaorrCampbeti Otvteion American Chain 4 Cable Co_ Inc. 1836 Akiminum Company of Anvanca 1868 Aluminum Co. or Canada (Alcan) 1847 American Can Company, Inc. 1837 American Emery Wheel Works 1838 "Amancan insurance Association 1844 American Iron and 8te#t Instituta 1867 Amancan MataI Climax. Inc. 1837 Amancan Mining Congnsaa 1846 "Amarlean Mutual Insurance AJUanca 1844 1967 1964 1636 1868 1868 Amancan Optical Comoany Amartcan Petroleum tnsmuta Amancan Potaeft 6 Chemical Corp. Amancan Smarting 6 ftsflning Co. Amartcan Standard. Inc. Amadean Taxtila Mira. Instituta 1836 Anaconda Company 1861 Arrneo SVaal Corpora?' n t966 Armstrong Cfretnoon. r.c. 1868 1866 1970 1847 1866 . 1^36 AaPestoa Cement Pt'V.-ucla Assn. Aabaato* Taxtila Ina^iuta Atlantic Abraaive Corporation AUaa Chemical Induetne*. Inc. Aufo-Fto Comoany Oivlaton of Masco Corporation Automobile Manutacturara Assn. 1837 Aveo Say Slats Abrasive* Olviaion 1970 The Sarmaon Comoany 1866 Frans Bancroft Company. Inc. 1886 1866 1870 1870 1844 SHununous Coal Operators' Aaan. Tha Boaing Company Borden, Inc. firockway.Glaie Company. Inc. Brush Beryllium Cornuarty . 1867 Buckeye Abraaive. me. 1867 George H. Bullard Company, Inc. 1861 Butler County Mushroom Farm. Inc. 1863 1837 1813 1837 1867 Can Manufacturers Instituta, Inc. Carborundum Company Celaneee Corporation Central Silica Comoany Chayes Abraaivaa Division Chaysa DantaJ Instrument Co. 1837 Chicago Wheal 4 Manufacturing Co 1854 ' Cincinnati Milling Products Dlv. Cincinnati Millng Machine Co. 1844 Robert F Coleman, inc. 1861 Colonial Abrasive Products Co. 1883 Come ico Aluminum (BeH Beyl Ltd. 1864 Comoenrwa Siderurgtca Nacional 1836 Coneondetion Coal Comoany. Inc. 1853 Comments! Can Comoany. Inc. 1804 Continental Insurance Como a me* 1837 Cortland Division American ADresrve Corporation 1V55 CPC Iniemalional 1867 CreoW Petroleum Corporation 1937 A P oeSsnno & Son. Inc. 1952 Diamond Shamrock Corporation 1*64 DC Skin Care Products. Inc 1930 Dow C -mt-t I Corporation 1837 Gr*-'i'*>d Division Hercules. Inc. 'Muiuols memoersnip Dele Joined Company Oat* Joined Company 1337 Orevo Corporation 1962 . 1. du Pom da Nemours 4 Co. 1866 Eastman Kodak Company 1863 Earner Abrasive Company 1843 Electro Refractories 4 Abrasives Division of Ferro Corporation 1869 Environmental Science*. Inc. 1856 Equitable Ufa Assurance Society of the United. Slate* 1837 < 'Ethyl Corporation - 1837 Esofon Company " 1848 Ferro Corporation ! ' 1964 FMC Corporation . ' 1S66 1936 184S 1956 1966 1837 1868 1947 1937 1937 1966 1937 Midwestern Coating Corporation Mine Salely Aoonances Company ModiI Oil Corporation Jesse S. Mono & Son. Inc. National Coal Association National Crusned Stone Assn.. Inc National Forge Company National Glass Sand Corporation National Grinding Wheel Division Federal-Mogul Corporation National Industrial Sand Assn National Insulation Mfrs. Assn. National Lead Company 1867 FMR Corporation ", ' 1837 Foot* Mineral Company - .. 1945 National SandAGravel Assn,,. Inc. 1838*- NationalSlag Asiociation 1847 Ford Motor Company . 1869 Foatarta Giasa Company . . . 1862 Nederland du Pom de Nemours N. V. .< ... 1836 Foundry Supply Manufacture^!'__ - Group 1863 Osborn Manufacturing Company 1953 Owens-Cornmg Fibergias Corp. 1968 Frantz. McConnell 4_8eymout 1963 ' Freeport Olvialon ' . Nalco Chemical Company 1936 Owens-Illinois, inc. 1954 Pacific Grinding Wheel Company. Inc. 1843 Gardner Machine Comoany 1968 Geigy-Werfce Schwetiarhalle A. G. 1837 Genarai Abrasive Company 1968. Ganerai Asbestos 6 Rubber Div. *' ' Raybesios-Manhanan. Inc. 1937 Peimsytvama Glass Sand Corp. 1956 Pennsylvania Manufacturers' Assn. 1- insurance Company 1960 Petropras/RPBC* 1964 Pittsburgh Activated Carbon Dtv. 1370 General Dynamics Corporation 1947 General Electric Company . 1837 ' General Grinding Wheat Corp. Calgon Corporation 1970 . Pneumafil Corporation 1938 Portland Cement Association 1951 General Mill*, inc. 1847 General Motors Corporation 1964 Georgia Kaolin Comoany " . 1937 PPG Industries 1867 Precision Grinding Wheel Co.. Inc. 1952 Red Hill Grinding Wheel Core. 1986 Glass Containers Mfrs. InatHuta, Inc. 1970 Rex-Cut Products Company 1837 Glensnaw Glass Comoany. Inc. Division of Cleveoek Corp. 1967 Goodyaar Tire 4 Rubber Company 1967 Grinding Wheel Division . Norton Company . 1937 H. H. Robertson Company 1969 Rome Division Revere Copper and Brass, inc. 1937 Grinding Wheel institute 1937 Sl Joseph Lead Company _ 1950 Gulf Oil Corporation 1968 Gustm-Bacon Division Certain-teed Products Carp. 1966 Ssueretsen Cements Company 1967 Simonos Abrasive Division Wallace-Murrey Corporation 1936 Hall China Company 1937 Hamilton Division 1966 Sinclair-Koppers Company 1956 Soap and Detergent Association American Abrasive Corporation 1966 Sprayed Mineral Fiber Mlrs. Assn.. 1866 Hanford Environmental Health Fdn. Inc. - 1967 Hanson Company -1964 Standard Oil Company 1959 Hazleton Laboratories (New Jersey) . 1961 . Hughson Chemical Company Oivlsion oi Lord Corporation 1962 Stauller Chemical Company - 1965 Sturm, Huger 4 Company. Inc. 1937 Huntington Alloy Products Division . .. International Nickel Co., Inc. 1853 Sugar Beet Products Company 1968 SysteMed Corporation 1947 Intend Steel Comoany 1945 Tata Services Limited 1947 International Business Machines 1969 Tenneco, Inc. Corp. 1946 Tennessee Copper Company 1967 (TT Abrasive Products Company Div. ol Tennessee Corporation 1836 Jonna-Manville Corooretlon 193S Texas Gull SutDhur Comoany 1939 Jonas & Laughlln Slesl Corp. 1960 Toms River Chemical Corporation 1963 Jowitt 4 Rodgers Company 1970 Travelers Insurance Companies 1967 Kssco Abrasives. Inc. 1936 Union Carbide Corporation 1855 Kawackl Baryico Industries. Inc. 1844 Kennecolt Cobber Corporation 1968 United States Asbestos Division * Raybestos-Mannattan. Inc. 1947 Koopers Comoany. Inc. 1936 United Stales Potters Association 1970 Lac Wo* Steal Comoany 1936 Untied Slates Sleet Corporation 1966 Homer Laugnim China Company 1960 . Van Slraaien Chemical Company 1964 Lsveracx 4 Haines. Inc. 1938 Vesuvius Crucible Comcany 1936 Lead Industries Association 1937 Watmam/HampOen Grinding 195* London Transoon Board Wheel Co. 1962 Louisiana Army Ammunition Plant 1937 Y/asnmgion Mills Abrasive Co. Sperry Rand Corporation 1937 Weoron Silica Comoany 1937 J. S. McCormick Company V962 Western Electric Company, me 1846 Mannattan Rubber Oivtslon 1937 Westfield Gnnoing Wheel Co. Raybasios-Manni'llsn. Inc. 1937 Wesungnouse Electric Corporation 1966 Manuiaciurmg Chemists Assn, Inc 1968 Armur C Wilhrow Comoany 1966 Mercona Mining Comcany 1836 Zinc Institu'.s. Inc. 184B Metrooolnan Life Insurance Co 13