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| 1. American Electric Power - Columbus, Ohio
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| 2. Black and Veach Construction Corporation - Kansas City, Mo |
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| 3. Dayton Power and Light - Dayton, Ohio |
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| 4. Fluor Constructors - Greenville, SC |
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| 5. United Electric Corp - Parkersburg, WVa |
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| 6. ICF Kaiser Engineeering, Inc., Pittsburgh PA |
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| 7. Williams/Union Boiler, Nitro WV |
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| 8. Wise Services, Inc., Dayton OH |
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| 9. Mannesmann/Demag Corp., Pittsburgh PA |
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| 10. Heckett Multiserv Corporation, Philadelphia, PA |
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| 11. Diaz Construction, Inc., Piketon OH |
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| 12. Graycor Construction, Inc., Homewood IL |
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| 13. RJ Corman Co., Huntington WV |
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| 14. Vesuvius USA, Zelienople, PA |
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| 15. Garrett Tire, Inc., Huntington WV |
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| 16. Bode Finn Corp., Charleston, WV |
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| 17. Whayne Supply, Inc., Ashland KY |
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| 18. Tri-State Tire Service Co., South Point OH |
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| 19. Air Products, Inc., Ashland KY |
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| 20. Environmental Testing & Consulting of the Americas, Inc., Woodland, TX |
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| 21. Tri America Constractors, Inc., Wheelersburg OH |
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| 22. Murphy Elevator, Inc., Louisville KY |
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| 23. Nations Rent, Ashland KY |
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| 24. Wagner Rentals, Inc., New Boston OH |
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| 25. Rail Construction, Inc., Ashland KY |
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| 26. Shambaugh & Son, Inc., Ft. Wayne IN |
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| 27. Tri Cities Paving, Inc., Ashland KY |
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| 28. State Electric, Inc., Charleston WV |
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| 29. Vulcan Fire Corp., Louisville KY |
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| 30. Grafco Hardwood Floors, Inc., West Portsmouth OH |
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| 31. Fluor Daniel Fernald, Inc., Ross OH |
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