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Carl Belt, Inc. Brayman Construction Co. Breckenridge Corp. Brigham & Day Paving CH&D Enterprises R. S. Carlin, Inc Central Contracting Cherry Hill Construction Cainbro Corp. Cold Springs Construction Corman Construction R. R. Dawson Bridge F. O. Day Co. Dick Corporation Echols Bros. Co. W. C. English, Inc. Fayetteville Const. Flippo Construction Foster Grading General Paving Co. |
Golden Eagle Construction
Great Lakes Construction Elmo Greer Greggo & Ferraro HRI, Inc. Glenn O. Hawbaker Heeter Construction Herman Construction IA Construction Kibler Construction Kiewit – Eastern R. F. Kline Kokosing Const. Koski Construction Bi-Gro, Inc. Lane Construction C. J. Langenfelder M & H Concrete Structures Craig Paving Tavares Concrete Archer Western Branch Highways Lindy Paving Mashuda Corp. McClean Construction Thomas A. Mekis Mellon Stuart Moore Bros., Inc. Mosites Construction National Engineering New Enterprise Stone & Lime Ohio-West Virginia Exc. Orders & Haynes Const. Carmen Paliotta Co. Francis Palo Perini Corp. Power Operating, Inc.
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H. J. Schneider Const.
Seven K Construction Shirley Contracting Soda Construction Tri State Asphalt Trumbull Corp. Valley Quarries Vecellio & Grogan, Inc. Velotta Co. S. T. Wooton Const. American Asphalt James D. Morrissey Co.
Allegheny Mineral Bradford Coal E. M. Brown, Inc. Confer Brothers Coal Consolidation Coal James Cowker Const. Davison Stone Flango Brothers Coal Godin Brothers Coal Al Hamilton Contracting Hanslovan Coal Hepburnia Coal K & J Coal Marquise Mining North Cambria Fuel Patriot Mining Power, Inc. Preston County Coal R & P Coal Sharon Coal Skyhaven Coal C. H. Snyder Const. US Steel Mining Riverhill Coal |