CISTI Document Delivery (Canadian Institute for Scientific and Technical Information)
http://cisti-icist.nrc-cnrc.gc.ca/docdel/docdel_e.shtml

ESTIS Document Delivery Service (University of Minnesota)
http://www.lib.umn.edu/estis/

Electronic Ei Text
http://www.ei.org

Information Resources Services (IRS)
http://www.librarianoncall.com/

Linda Hall Library Document Services
http://www.lindahall.org/docserv

National Safety Council Services
http://www.nsc.org/lrs/libtop.htm

PLUS Information Service (University California, San Diego)
http://gort.ucsd.edu/capplus/plus.html

Purdue Technical Information Service
http://www.purdue.edu/tis

Speedy Research Service
http://galis.org/srs

Triodyne Inc. Informationa Services
http://www.triodyne.com/

Wisconsin TechSearch
http://www.wisc.edu/wendt/wts/index.html