Corporate Names
- Koppers Company.1
- McDonald Engineering Company.1
- Mountaineer Carbon Company.1
- National Association of Purchasing Agents.1
- National Steel Corporation.1
- Newport News Shipbuilding and Dry Dock Company.1
- Norfolk and Western Railway Company.1
- Ohio Edison Company.1
- Ohio Leather Company.1
- Peerless Coal and Coke Company.1
- Pennsylvania Railroad.1
- Pittsburgh Coal Company. Montour Mine no. 4.1
- Pittsburgh Coal Company. Montour Mine no. 9.1
- Pittsburgh Coal Company. Somers Mine.1
- Pittsburgh Coke and Chemical Company.1
- Pittsburgh Consolidation Coal Company1
- Pocahontas (Ship)1
- Pocahontas Fuel Company. Bishop's Mine.1
- Pocahontas Supply Company.1
- United States Steel Corporation. Clairton Works.1