Federal Agencies

Department of Defense (DOD)
Federal Aviation Administration (FAA)
Federal Energy Regulatory Commission (FERC)
Federal Highway Administration (FHWA)
National Park Service (NPS)
Natural Resource Conservation Service (NRCS) 

State Agencies

Dormitory Authority of the State of New York (DASNY)
New Hampshire Department of Transportation (NHDOT)
New York Power Authority (NYPA)
New York State Department of Transportation (NYSDOT)
New York State Education Department (NYSED)
New York State Office of Parks, Recreation and Historic Preservation (NYS OPRHP)
New York State Thruway Authority
State University of New York Construction Fund
Vermont Agency of Transportation (VAOT)
Vermont Division for Historic Preservation (VDHP)

Private Sector

Adirondack Development Group
Barton & Loguidice
Bergmann Associates
BL Companies
Brighter Choice Foundation 
Cappelli Enterprises
Central Hudson Gas & Electric
Chazen Companies
Clough, Harbour & Associates
Continental Placer
CT Male Associates
Delaware Engineering
Dubois & King
Earth Tech Northeast, Inc.
Erdman Anthony and Associates
Forcier, Aldrich and Associates
Fort Ticonderoga
Fuss & O'Neill
Ginsburg Development
Hershberg & Hershberg
IGTS (Iroquois Gas Transmission System)
J. Kenneth Fraser & Associates
John G. Waite Associates
Kimberly-Clark Corporation
LA Group
Lamont Engineers
Lansing Engineering
Luther Forest Technology Campus
Lochner Engineering
Lowes Companies
Malcolm Pirnie
McFarland-Johnson
Nigro Companies
Parsons Brinckerhoff
Rudikoff and Associates
Saratoga Associates
Stantec
Stearns & Wheler
Tectonic Engineering
Toll Brothers
U.W. Marx Construction
Wal-Mart Stores
Wilbur Smith Associates