Document gXErO5azz7wemZnyVL4VR04V

Molded Fiber Claau Tray Co. Molded Materials Company (Div, 0/ Carlisle Corporation) Motor Coils Manufacturing Co. Rational Annealing Box Co. . ....... . . .... 1978 -- IWK B Vesuvius Crucible Co. 1980 j Volkswagen of America. Inc. im 1974 1 WABCO Railway Products Croup -j Washington Mould Company $ .Watson-Standard Co. 193 8 1977 1976 1975 1974 lew Castle Refractories Co, 1979 Organization Resources Counselors,Inc. 1972 pwens-Corning Fiberglas Corp, Peru-,a. Class Sand Corp, . . 1953 1937 B Pennsylvania Power Co. Peoples Natural Gas Co. ^ 1978 | 1972 | Minerals Et Chemicals Div,________ Pnibro Corporation 1973.1 ? Wenczel Tile Co. 1 .Western Electric Co.,Inc. J -. -- a Westinghouse Electric Corp, 1977 1962 1937 j The Whitacre-Greer Fireproofing Co. ____ 1979 1 Wickwire Systems Co, ,Inc, 'j Williams b Co., Inc. 1979. 1976- i . .... Pittsburgh Corning Corporation Pittsburgh Ik Lake Erie Railroad Portland Cement Assn. 1980 I 1975 | 1938 | Potters Industries, Inc,. PPG Industries. Inc. ''r,v 1970 E "1937 1 P. C. Corporation The Refractories Institute.. 1979 I 1976"| ileichhold Ltd; 1979 I H, H. Robertson Co. 1937 Safety First Industries, Inc. 5t. joc Minerals Corp. . 1972 1937 ichneicer, Inc. Scneylrtill1 Metals Corp. >haror> Steel'Corp. 198l| 1977 1974 ihenango Incorporated 1974 he Standard Oil Co. ____ .'herrr.ul Insulation MXrs. An,, Ir.c. (TIMM ___ Tile Council ot" AnnTica, Inc.