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| FEDERAL,
STATE, and LOCAL AGENCIES |
- U.S. Army Corps of Engineers
- U.S. Department of Interior,
- Office of Surface Mining Reclamation and
Enforcement
- Ohio Department of Natural Resources
- Pennsylvania Department of Environmental
Protection
- Pennsylvania Department of Transportation
- Pennsylvania Turnpike Commission
- City of Columbus, Ohio
- Indiana County Commissioners, Pennsylvania
- Sandy Township, Pennsylvania
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| ENGINEERING
CONSULTANTS |
|
CONSTRUCTION
INDUSTRY |
- Ackenheil Engineers,
Inc.
A. G. E. S
Benatec Associates
- Buchart - Horn,
Inc.
- Daniel Consultants,
Inc.
EADS Group
Earth Tech
E.L. Robinson Engineering
- GAI, Inc.
- Gannett Fleming,
Inc.
Geo Con
- GeoMechanics, Inc.
- GTS Technologies,
Inc.
- URS/Greiner, Inc.
Harris Enterprises
- Haworth Meyer &
Boleyn
HNTB Corporation
- KCI Technologies,
Inc.
L. A. Gates
Lee Simpson and Associates
H. W. Lochner, Inc.
Niles Associates
- Patel Chen Associates,
Inc.
Presnell Associates, Inc.
Skelly & Loy
Stafford Consultants, Inc.
- S.E. Technologies,
Inc.
- Urban Engineers,
Inc.
- Woolpert, Inc.
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- Al Hamilton Contracting,
Inc.
Brayman Construction
Carlino Construction Co.
- G.O. Hawbaker, Inc.
Meridan Construction, Inc.
New Enterprise
Nicholson Construction Co.
Stone & Lime
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