CTRC (University of Colorado)
http://www-libraries.colorado.edu/ps/
ids/ctrc/frontpage.htm

FIND/SVP
http://www.findsvp.com

IBIS (University of Waterloo)
http://www.lib.uwaterloo.ca/IBIS.html

Michigan Information Transfer Source (MITS)
http://www.lib.umich.edu/mits/

Research Investment
http://www.researchinvest.com/document_delivery.htm

Rice University Library
http://riceinfo.rice.edu/Fondren/RICE/

STAC Information Services Guide (UF)
http://www.state.fl.us/stac/

Thunderbird Business Information Service
http://www.t-bird.edu/about_us/lib_research/bis/index.htm