STEVENS PRODUCTS Inc
Pittsburgh Plastics Manufacturing
MITSUI TOATSU CHEMICAL Inc
PRECISION TUBE CO Inc
ALYN CORP
MEARTHANE PRODUCTS CORP
ADVANCED ELASTOMER Systems
AMOCO PERFORMANCE PRODUCTS Inc
E-A-R Specialty Composites
Basf Corporation
SPAULDING COMPOSITES CO
RODGERS ENGINEERING CORP
BISCO PRODUCTS Inc
VALUE PLASTICS Inc
SPIN-CAST PLASTICS Inc
BAYER CORP
Rogers Corporation
T A MFG.
ITW PHILADELPHIA RESINS
RAYCHEM CORP