• Office of Tramsportation
• U.S. Department of Energy
• Office of Environmental Management
• Waste Isolation Pilot Plant
• Office of Civilian and Radioactive Waste Management
• Yucca Mountain Project
• Office of Defense Programs

Federal Agencies

• Environmental Protection Agency
• Federal Emergency Management Agency
• Homeland Security
• National Emergency Management Agency
• Nuclear Regulatory Commission
• U.S. Department of Transportation, Federal Highway Administration
• U.S. Department of Transportation, Federal Railroad Administration
• U.S. Department of Transportation, Office of Hazardous Materials Safety

Other

• Environmental Management Advisory Board (EMAB), U.S. Department of Energy
• National Conference of State Legislatures
• National Transportation Library, U.S. Department of Transportation, Bureau of Transportation Statistics
• State and Tribal Government Working Group, U.S. Department of Energy
• Transportation Research Board, National Academy of Sciences/National Research Council
• Transportation Resource Exchange Center (T-REX) - T-REX is a comprehensive Internet virtual library and information center with over 800 links and thousands of on-line documents related to the transportation of radioactive materials and waste
• Transportation Safety Institute
• Transportation Security Administration
• U.S. Nuclear Waste Technical Review Board