PPG Industries and H.J. Heinz are two Fortune 500 companies that make Pittsburgh their home. 
 Do you have any information on the steel industry in Pennsylvania? 
 Could you tell me some things about Pennsylvania's Geography? 
 Do you know some other industries they have on the Fortune 500 list other than steel? 
 You're welcome.
PPG Industries and H.J. Heinz are two Fortune 500 companies that make Pittsburgh their home.