Butler County, Pennsylvania

AK STEEL - BUTLER WORKS

210 Pittsburgh Rd Butler Pa 16001

AIR PROD & CHEM INC/BUTLER

300 Schaffner Road Lyndora Pa 160450000

AK STEEL CORP/BUTLER WORKS

One Armco Drive Po Box 232 Butler Pa 16003

CALUMET KARNS CITY REFINING, LLC

138 Petrolia St Karns City Pa 16041

SONNEBORN, LLC

100 Sonneborn Lane Petrolia Pa 16050

INDSPEC CHEMICAL CO

133 Main St. Petrolia Pa 16050

ALCOA COMMERCIAL WINDOWS LLC (DBA TRACO)

71 Progress Ave Cranberry Township Pa 16066

NALCO COMPANY

125 Nalco Way Ellwood City Pa 16117

SUNOCO 0364 0653

5600 William Flynn Hwy Gibsonia Pa 15044