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.htmAmerican 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/
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/
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/
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/
