Canada Instititue for Scientific and Technical Information
- Canadian research library for science, technology, engineering, and medicine.
- http://cisti-icist.nrc-cnrc.gc.ca/

The National Transportation Library
- US repository for transportation information.
- http://ntl.bts.gov/

U.S. Department of the Interior Library
- Focusing on the natural and social sciences; law; economics; management and use of natural and cultural resources; and the cultures and well-being of American Indians and Native Alaskans.
- http://library.doi.gov/

NIEHS Library
- US National Institute of Environmental Health Sciences.
- http://library.niehs.nih.gov/

US National Information Infrastructure Virtual Library
- Access to documents and information for the US component of Global Inventory Project (GIP) and the international registry for the G8 Global for Small and Medium-Sized Enterprises (SME) Testbeds.
- http://nii.nist.gov/

Herbert C. Hoover Building Library
- Serving the US Department of Commerce.
- http://www.osec.doc.gov/lib/

National Institutes of Health Library
- Serving the US National Institutes of Health, with self-service access to others.
- http://nihlibrary.nih.gov/

National Library of Medicine
- US national provider of health-related library and information services.
- http://www.nlm.nih.gov/

National Library of Education
- US federal government's resource center for education information.
- http://www.ed.gov/NLE/

National Agricultural Library
- Part of the Agricultural Research Service of the US Department of Agriculture.
- http://www.nalusda.gov/