| Company Name: |
Location: |
| Acme Metals | Riverside, IL |
| AK Steel Corporation | Middletown, OH |
| | Rockport, IN |
| Allegheny Ludlum Steel Corporation | Brackenridge, PA |
| | Vandergrift, PA |
| American Cast Iron Pipe | Birmingham, AL |
| Armco | Butler, PA |
| | Mansfield, OH |
| Babcock & Wilcox, Inc | Beaver Falls, PA |
| Bethlehem Steel Corporation | Bethlehem, PA |
| | Burns Harbor, IN |
| | Johnstown, PA |
| | Lackawanna, NY |
| | Sparrows Point, MD |
| | Steelton, PA |
| Caparo Steel Company | Sharon, PA |
| Carpenter Technology Corporation | Reading, PA |
| Co-Steel Raritan | Perth Amboy, TklJ |
| Crucible Specialty Metals | Syracuse, NY |
| CSC Limited | Warren, OH |
| Double Eagle Steel | Dearborn, MI |
| Ellwood Quality Steel | New Castle, PA |
| Florida Steel Corporation | Jackson, TN |
| Galvtech | Hays, PA |
| Griffin Wheel | Tulsa, OK |
| GST Steel Company | Kansas City, MO |
| Heartland Steel, Inc | Terre Haute, IN |
| Inland Steel Company | East Chicago, IN |
| IPSCO Steel Inc | Muscatine, IA |
| Iron Oxide Expansion | New Martinsville, WV |
| Jones & Laughlin Steel Corporation | Aliquippa, PA |
| | Hazelwood, PA |
| | Midland, PA |
| | Pittsburgh, PA |
| Keystone Steel & Wire Company | Peoria, IL |
| LTV Steel Company, Inc | Aliquippa, PA |
| | Cleveland, OH |
| | Pittsburgh, PA |
| Lukens Steel Company | Coatesville, PA |
| | Conshohocken, PA |
| National Steel Corporation | Ecorse, MI |
| | Granite City, IL |
| | Portage, IN |
| Newport Steel Corporation | Newport, KY |
| | Wilder, KY |
| North Star BHP | Delta, OH |
| North Star Steel Company | Monroe, MI |
| Northwestern Steel & Wire | Sterling, IL |
| Oregon Steel Mills, Inc | Portland, OR |
| PA Steel Technologies | Steelton, PA |
| Protec Coating Company | Leipsic, OH |
| Qualitech Steel Corporation | Pittsboro, IN |
| Rouge Steel Company | Dearborn, MI |
| Shenango Steel | Neville Island, PA |
| The Timken Comapny | Canton, OH |
| Thomas Steel Strip Corporation | Warren, OH |
| Tuscaloosa Steel Corporation | Tuscaloosa, AL |
| Union Electric Steel Company | Burgettstown, PA |
| United States Steel Corporation | Braddock, PA |
| | Clairton, PA |
| | Dravosburg, PA |
| | Duquesne, PA |
| | Fairfield, AL |
| | Fairless Hills PA |
| United States Steel Corporation . | Gary, IN |
| | Lorain, OH |
| | McKeesport, PA |
| | Saxonburg, PA |
| USS Posco Industries | Pittsburg, CA |
| Washington Steel | Massillon,OH |
| Weirton Steel Corporation | Weirton, WV |
| Wheeling Pittsburgh Steel Corporation | Allenport, PA |
| | Follansbee, WV |
| | Martins Ferry, OH |
| | Mingo Junction, OH |
| | Monessen,, PA |
| | Steubenville, OH |
