Department of Energy National Telephone Directory
- Organization charts and searchable personnel locator for DOE employees and contractor staff around the country.
- http://phonebook.doe.gov/

Energy Sciences Network (ESnet)
- A high-speed network serving thousands of Department of Energy scientists and collaborators worldwide.
- http://www.es.net/

Office of Policy and International Affairs
- Information on energy policy development and implementation, international science and technology, libraries, and agreements.
- http://www.pi.energy.gov/

Office of Environmental Management (EM)
- Responsible for U.S. DOE environmental restoration, waste management, technology development, and facility transition and management.
- http://www.em.doe.gov

Office of Science and Technology Information (OSTI)
- Disseminates scientific and technical information from department research and development, and environmental programs. Search key collections, review project summaries, or view informational videos. Based in Oak Ridge, Tennessee.
- http://www.osti.gov/