Document gDroO8MaJ23ejVbrMV2bJ9Y2L

Date Joined Company Date Joined Company 1570 Potters Industries, Inc. Carlstadt, N.J. 07C72 1937 PPG Industries. Inc. Pittsburgh, Pa: 15222 1979 P.0. Corporation * Valley Forge, Pa. 154E2 1976 RAD Services, Inc. Pittsburgh, Pt. 15225 1968 Raybestos-Mannattan, Inc. Trumbull, Conn. 06611 1976 The Refractories Institute Pittsburgh, Pa. 15222 1937 H.H. Robert ter. Company Pittsburgh; Pa. 15212 . 1976 Roux Lahore .cries, Inc. K. Jacksonville, Tie. 2:217 1972 Safetv Firs*. Industries, Inc. McKees Rocks, Pa. 15220 1973 Sager Glove Corporation Chicago, 211. 60634 1?3? St. Joe Minerals- Corporation New York, N.Y. 10017 1977' Schuylkill hetels Corporation Baton Rouge, Louisiana 'll O'! 1976 5CM Corporation . New York, N.Y. 10017 1574 ShBton Steel Corporation Farrell. Pa. 1C121 1572 Shell Oil -Company Houston, Tex. 77210 1574 Snener.oc, Ir.c. Pittsburgh, Pa. 15225 1577 Spartek, Ir.c. Canton. Ohio 44711 1575 Tne Standard oil Company* Cleveland, Ohio 44114 1576 Stellite Division, Cabot Corporation Kokomo, Ir.i. 46 9C1 1966 Thermal Insuiat.on Manufacture:s Association. Inc.(TIMA) Mt. Kisco, N.Y. 10545 1=78 Tile Council cf America, Inc. Princeton, N.3. 0E54C 1970 Travelers Insurance Companies Hartford, Conn. 06115 ! 1572 Tri-State Engineering Company Weshinctcn, Pa. 15301 - 1576- ::-vi, inc. -- Saxor.burt, Pal 16C-56- . 1536 Union- Carbide Corporation New York, N.Y. 1CC17 1579 . United States Fidelity f, Guaranty Corr.par.v Baltimore. Hd. 21202 19"< Ur.; tec States Grosum Cor.panv :? Plaint i. 111. 6GC1 ( i5r0 united States Mineral Products 2'or.pary Stanhope, N.J. 07E74 1536 united States Fetters Assn. Lest Liverpool, Ohio 1980' United States Steel Ccr per a tie-:. Pittsburgh. Pa. 21210 1538 Vesuvius Crurii.le Company Pittsburg:., Pa. 15213 1977 1976 1975 1974 1977 1962 1937 . 1579 ' 1979 1976 Volkswagen of America, Inc. New Stanton, Pa. .15672 MADCO Railway Psoduets Group Pittsburgh, Pa. 15222 Washington Mould, Machine t Foundry Company Washington, Pa, 15301 Watson-Standard Company Pittsburgh, Pa. 15238 Wenczel Tile Company Trenton, N.J. 08638 Western Electric Company, Inc. Nev York, N.Y. 10038 Westinghouse Electric Corporation Pittsburgh, Pa. 15222 Khitacre-Greer Fireproofing Co. waynesburg, Ohio 44688 Wickwire Systems Company, Inc. Seviekley, Pa. 15143 Williams t Company, Inc. Pittsburgh, Pa. 15233 195B BRAZIL Companhia Siderurgica Nacional - Biblioteca* Volta Redonda-j Estado do Rio, Brazil 1978 1979 CANADA Alberta Workers.' Health, Safety s Compensation 9820 106th St. ' Edmonton, Alberta,. Canada T5K 2J6 Reichhold Limited . 1919 Wilson Ave. Weston, Ontario, Canada M9M 1E1 1558 SWITZERLAND Ciba-Geicy AG . CH-4002 Basel, Switzerland 1962 , VENEZUELA Lagoven, S.A. Apartado 889 Caracas, Venezuela ,:1010-A . NEW METERS 19E0 . Badische Corporation, BK1, Inc. - Refractory Division ... Car-ot Corporation Centre Foundry 4 Machine Company Cooper Industries. Inc. C'Appclor.ia Consulting Engineers, Inc. Diiter Taylor Refractories Corporation Home Insurance Company' The C. Hommel Company Irvine Park Medical Clinic, Inc. Molded Materials Company Pittsburgh Corning Corporation United States Mineral Products United States Steel Corporation