ITIC works with many institutions and organizations worldwide to advance the agenda for a pro-investment tax and investment policies that deliver prosperity.

• Oxford Economics
• Public Finance Institute of the Philippines
• University of Maastricht
• Hoover Institution, Stanford University
• CPB Netherlands – Bureau for Economic Policy Analysis
• Aberdeen University Petroleum & Economic Consultants
• Center for Global Energy Studies
• Surrey Energy Economics Centre (SEEC)
• National University of Singapore
• Ewha Women's University, Seoul, South Korea
• African Tax Institute
• The Centre for Customs and Excise Studies, University of Canberra
• National Institute of Public Finance and Policy, India
• The Asia Tax Forum
• Center for Tax Policy and Administration, OECD
• Fiscal Affairs Department, International Monetary Fund