Centre for Accounting Ethics
At the University of Waterloo, School of Accounting and Finance, Ontario, Canada. This site contains many useful case studies.

Centre for the Study of Ethics in the Professions
At the Illinois Institute of Technology, Chicago, Illinois, USA. This site contains a link to codes of conduct available online.

Markkula Center for Applied Ethics
At Santa Clara University, California, USA. Good collection of articles on business and technology ethics.

COSO
Committee of Sponsoring Organizations of the Treadway Commission, USA.

Sarbanes-Oxley 101
Act affecting many American public companies, as well as non-American companies with a presence in the US.

Hong Kong Business Ethics Development Centre
Hong Kong, China. Promotes business and professional ethics

Ethics and Compliance Initiative
Arlington, Virginia, USA. Providing ethics and compliance research, and best practices.

International Federation of Accountants (IFAC) Global Knowledge Gateway
New York, USA. Discussions, resources and news items reinforcing ethical practices and encourage an ethical workplace.

Institute of Business Ethics
London, UK. Good source for survey results of UK attitudes towards ethics.

Josephson Institute
Los Angeles, California, USA. Useful source of memorable quotes about ethics, as well as an online book entitled Making Ethical Decisions.

Ethics Institute of South Africa
Pretoria, South Africa. Aiming to build an ethically responsible society.

Corruption Prevention Network
Sydney, New South Wales, Australia. For people involved in preventing fraud and corruption. Try their interactive Big Issue Grappler.

Transparency International
UK based global movement to fight corruption

United Nations Global Compact
London, UK. Attempting to create a sustainable and inclusive global economy.