| Company | Category | Area | Address | Web | E-mail | Contact person |
| US ARMY CORPS OF ENGINEERS | Federal Government-Conservatio | Pennsylvania | 145 DAM SITE RD, NEW BETHLEHEM, Clarion, Pennsylvania, 16242-8213, USA |
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Sam Wagner |
| US Army Corps Of Engineers | Federal Government-Conservatio | Pennsylvania | E Branch Lk, WILCOX, Elk, Pennsylvania, 15870, USA |
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Gary Froelich |
| US Army Corps Of Engineers | Federal Government-Conservatio | Pennsylvania | Mahoning Dam, DAYTON, Armstrong, Pennsylvania, 16222, USA |
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| US ARMY DEPT | Federal Government-National Se | Pennsylvania | 500 W 24TH ST, CHESTER, Delaware, Pennsylvania, 19013-4999, USA |
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| US ARMY DEPT | Federal Government-National Se | Pennsylvania | 1469 OLD BERWICK RD, BLOOMSBURG, Columbia, Pennsylvania, 17815-3027, USA |
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Stephen Luckowski |
| US ARMY DEPT | Federal Government-National Se | Pennsylvania | 360 EVANS CITY RD, BUTLER, Butler, Pennsylvania, 16001-2799, USA |
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| US ARMY DEPT | Federal Government-National Se | Pennsylvania | 389 PENSINGER RD, GREENCASTLE, Franklin, Pennsylvania, 17225-9150, USA |
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Chris Breen |
| US ARMY DEPT | Federal Government-National Se | Pennsylvania | 2313 W STATE ST, NEW CASTLE, Lawrence, Pennsylvania, 16101-1140, USA |
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Richard Clarke |
| US ARMY DEPT | Federal Government-National Se | Pennsylvania | 410 MILLER AVE, NEW CASTLE, Lawrence, Pennsylvania, 16101-1498, USA |
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Dill Morgan |
| US ARMY DEPT | Federal Government-National Se | Pennsylvania | 410 MILLER AVE, NEW CASTLE, Lawrence, Pennsylvania, 16101-1498, USA |
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Dill Morgan |
