New York State Bridge Authority
New York State Thruway Authority
New York State Department of Transportation
Rhode Island Turnpike & Bridge Authority
Delaware River Bridge Authority
Delaware River Port Authority
Detroit International Bridge Company
Mississippi DOT
Minnesota Department of Transportation
Ohio Dept. of Transportation
Maine Dept. of Transportation
Modjeski and Masters, Inc.
Amman & Whitney Consulting Engineers, Inc.
Parsons Brinckerhoff
CSX Transportation