Domoestic Supplier Base

 >Charter Steel, Saulville, WI
 >Inland Steel,E., Chicago, IL
 >Republic Tech. Inc, Lorain, OH
 >Nucor Steel, Norfolk, NE
 >Charter Steel, Cleveland, OH
   

Overseas Supplier Base

 >Nippon Steel, Muroran Japan
 >Sumitomo Metals, Kokura Japan
 >Daido Steel, Nagoya, Japan
 >Kobe Steel, Kobe Japan