| Company Name: |
Location: |
| Munroe, Inc | Struthers, OH |
| 3M Company | Decatur, AL |
| AES Beaver Valley, Inc | Monaca, PA |
| Alcan Aluminum Corp | Fairmont, WV |
| | Oswego, NY |
| Alcosan | Pittsburgh, PA |
| Anheuser-Busch Companies, Inc | Baldwinsville, NY |
| | Cartersville, GA |
| | Fort Collins, CO |
| | Newark, NJ |
| Atlantic Gypsum | Port of Newark, NJ |
| BASF Corporation | Monaca, PA |
| Blue Circle Cement | Ravena, NY |
| Blue Water Fiber | Port Huron, MI |
| Boeing Company | St. Louis, MO |
| BP Solar | Fredrick, MD |
| Bristol-Myers Squibb | New Brunswick, NJ |
| Caterpillar | Joliet, IL |
| CC Metals & Alloys, Inc. | Calvert City, KY |
| City of Baltimore | Baltimore, MD |
| City of Long Beach, Pier G | Long Beach, CA |
| DaimlerChrysler | Toledo, OH |
| Dartco Manufacturing Co | Augusta, GA |
| Degussa Corporation | Chester, PA |
| Delco Products | Rochester, NY |
| DSM Nutritional Products | Belvedere, NJ |
| FMC Corporation | Baltimore, MD |
| General Dynamics | Groton, CT |
| | Quonset Point, RI |
| General Electric Corp | Burkeville, AL |
| | Iva, SC |
| | Waterford, NY |
| | Schenectady, NY |
| General Foods | Houston, TX |
| General Motors | Lordstown, OH |
| Gerdau Ameristeel Corporation | Perth Amboy, NJ |
| Goodyear Tire & Rubber | Apple Grove, WV |
| | Lawton, OK |
| Gould Inc | Los Angeles, CA |
| Haden Jeep Paint Facility | Toledo, OH |
| Hershey Chocolate USA | Hershey, PA |
| Inmont, Inc | Greenville, OH |
| International Titanium Corporation | Beaver, PA |
| Kcarney Fidelco Associates . | Kearney, NJ |
| Kvacrncr Philadelphia Shipyard . | Philadelphia, PA |
| Latrobe Brewing Co | Latrobe, PA |
| Lockheed Martin | Oswego, NY |
| | Sunnyvale, CA |
| Lone Star industries | Greencastle, IN |
| Mack Truck | Hagerstown, MD |
| Maher Terminal | Elizabeth, NJ |
| Maryland Cup Corp | Dallas, TX |
| Mid M on-Valley Water Pollution Control Authority | Allenport, PA |
| Miller Brewing Co. | Albany, GA |
| Mittal Steel | Sparrows Point, NJ |
| | Wierton, WV |
| Munroe, Inc | Struthers, OH |
| NASA | New Orleans, LA |
| Naugatuck Incinerator | Naugatuck, CT |
| New York Department of Sanitation | Brooklyn, NY |
| | Manhattan, NY |
| | Queens, NY |
| | Brooklyn, NY |
| Northrup Grumman | Newport News, VA |
| Ormet Corp | Hannibal, OH |
| Oxbow Carbon and Minerals | Port of Long Beach, CA |
| Phillip Morris | Richmond, VA |
| | Concord, NC |
| Pitt-DesMoines, Inc | Neville Island, PA |
| psilon Products Company | Marcus Hook, PA |
| Quincy Soybean Co | Quincy, IL |
| Regeneron Pharmaceuticals | Rensselaer, NY |
| Republic Engineered Products | Lorain, OH |
| Reynolds Electrical & Engineering Co | Mercury, NV |
| RIDC | McKeesport, PA |
| | Pittsburgh, PA |
| | Turtle Creek, PA |
| RIDC-Duquesne City Center | Duquesne, PA |
| Rockwell International | Chatsworth, CA |
| Rome Metals | Monaca, PA |
| | Rochester, PA |
| | Zelienople, PA |
| Solar Turbines, Inc | York, PA |
| Sony Corporation of America | Mt. Pleasant, PA |
| Stackpole Corp | St Marys, PA |
| Suwannee American Cement | Branford, FL |
| Takasago International | University Park, IL |
| Temple Inland Corporation | Shippenville, PA |
| The East Ohio Gas Company | Youngstown, OH |
| Titanium Metals Corporation | Toronto, OH |
| Traco Corp | Warrendale, PA |
| Trigen Energy Corp | Baltimore, MD |
| Tropicana | Jersey City, NJ |
| U S Sugar | Clewiston, FL |
| UCAR Carbon Company | Anmoore, WV |
| Unison Transformer Services, Inc | Henderson, KY |
| USX Realty Development Corp | Ambridge, PA |
| W.RGracc | Baltimore, MD |
| Warner-Lambert | Lititz, PA |
| Westinghouse Government Services | Cheswick, PA |
| Wheelabrator Air Pollution Control | Carnegie, PA |
| | Saugus, MA |
| Wheeling Pittsburgh Steel | Yorkville, OH |
| World Kitchen | Charleroi, PA |
| Zinc Corp | Monaca, PA |
