The Mack Iron Works Co.

YOUNG & FRANKLIN INC ACME BRASS & ALUMINUM MANUFACT STANDARD STEEL SPECIALTY COMPANY VIBRA-SONIC CONTROL LTD. GRAY'S WELDING LTD. THWING-ALBERT INSTRUMENT CO LAKESHORE AUTOMATIC PRODUCTS ISOCHEM INC DINSMORE MANUFACTURING CO INC KEYSTONE ENGINEERING COMPANY

DYNAMIC MANUFACTURING INC CLAYTON CORP WOODCRAFTERS INC GOULDS PUMPS INC DATACARD CORP PACKER MANUFACTURING CO INC R.W. CONKLIN STEEL SUPPLY PARKWAY PRODUCTS INC STORED ENERGY SYSTEMS BRAY MANUFACTURING CO INC