Corporation for National and Community Service
National Academy of Sciences
U.S. Department of Commerce
Bureau of Economic Analysis
Census Bureau

U.S. Department of Education
National Center for Education Statistics

U.S. Department of Energy
Oak Ridge National Laboratories
Office of Transportation Technologies

U.S. Environmental Protection Agency
U.S. Department of Health and Human Services
Centers for Medicare & Medicaid Services
National Institutes of Health, Division of Computational Bioscience

U.S. Small Business Administration
National Women’s Business Council

U.S. Department of Transportation
Bureau of Transportation Statistics
Federal Aviation Administration
Federal Highway Administration
Federal Railroad Administration
Maritime Administration
Volpe National Transportation Systems Center

Other clients
American Association of State Highway Transportation Officials (AASHTO)
American Institutes for Research
Organization for Economic Cooperation and Development