» American Antitrust Institute    Non-profit think tank for promoting competition, with news headlines, archived reports and advocacy, and an annotated guide to online antitrust resources and research.    http://www.antitrustinstitute.org/

» Harry B. Ray - Husch & Eppenberger, LLC    Introduction to the legal environment for buying groups.    http://www.buyinggroups.com

» Institute of Competition Law    Provides information on competition and antitrust laws in the European Union. Includes case law, news, conferences, and articles.    http://www.concurrences.com/

» Lucash, Gesmer & Updegrove, LLP - Consortium Info    Information regarding the setting of technology standards and consortia for implementing them, focusing on open-source software.    http://www.consortiuminfo.org/

» The Antitrust Source    Online version of a bimonthly journal affiliated with the American Bar Association, addressing developments in antitrust law.    http://www.abanet.org/antitrust/source/

» United States Department of Justice    Report suspected antitrust violations, such as bid rigging or price fixing, to the Department of Justice by e-mail, phone, or mail.    http://www.usdoj.gov/atr/contact/newcase.htm