1. ChemRisk, McLaren/Hart, Inc., 16755 Von Karman Avenue, Irvine, California 92606
2. Exponent, 1970 Broadway, Suite 250, Oakland, California 94612
3. ChemRisk, McLaren/Hart, Inc., Two North Shore Center, Suite 100, Pittsburgh, Pennsylvania 15212
4. Collier, Shannon, Rill & Scott, PLLC, 3050 K Street NW, Washington, DC 20007
5. North Star Steel, Centennial Lake Office Park, 7650 Edinborough Way, Suite 600, Edina, New York 55435
6. Edw. C. Levy Co., 8800 Dix Ave., Detroit, Michigan 48209
7. International Mill Service, 1155 Business Center Drive, Suite 200, Horsham, Pennsylvania 19044-3454
8. Structural Metals, Steel Mill Road, P.O. Box 911, Seguin, Texas 78156-0911
9. WCI Steel, 1040 Pine Ave. SE, Warren, Ohio 44483
10. U.S. Steel, 600 Grant Street, Pittsburgh, Pennsylvania 15219-2749