Transportation Technology Clients, Partners and Cooperative Efforts (partial list) 

Types of Clients 

State and county highway departments
Foreign national highway departments
Industry organizations
Engineering firms
Lime suppliers
Petroleum refiners
Polymer, chemical and other product manufacturers
Railroads, airports and marine ports
Roofing and waterproofing contractors
Universities and research organizations

Petroleum Refiners 

Atlantic-Richfield
ConocoPhillips Refining
Elf Asphalt (France)
Exxon Refinery
Hunt Petroleum
Marathon Oil Co.
Nynas Petroleum
Valero Energy Corp.

Universities and Research Organizations 

Fulbright Program
Iowa State University
North Carolina State University
Purdue University
Technical University of Delft
Texas A&M University
University of British Columbia
University of Florida
University of Kentucky
University of Stockholm
University of Minnesota
University of Nebraska
University of Nevada-Reno
University of Utah
University of Wisconsin-Madison
University of Wyoming

Specification and Design Laboratories 

Advanced Asphalt Technologies
Consulting Engineers and Materials Testing, Inc.
PRI Asphalt Technologies, Inc.
Reed and Graham Co.

Highway Departments 

Arizona Department of Transportation
Contra Costa County, CA
Kansas Department of Transportation
Louisiana Transportation Research Center (with LA Department of Transportation and Louisiana State University)
Minnesota Department of Transportation
Montana Department of Transportation
Nebraska Department of Roads
Nevada Department of Transportation
Swedish Road and Travel Authority
Venezuela Ministry of Travel
Wyoming Department of Transportation

Other 

CSX Railroad (through Univ. of Kentucky)
Foundation for Pavement Preservation
Goodyear Tire Co.
Graniterock Construction Company
Innophos
International Society for Asphalt Pavement (ISAP)
National Lime Association
Owens Corning
Rouse Rubber Co.
Trumbull Asphalt Co.