IAIA was organized in 1980 to bring together researchers, practitioners, and users of various types of impact assessment from all parts of the world. IAIA involves people from many disciplines and professions. Their members include corporate planners and managers, public interest advocates, government planners and administrators, private consultants and policy analysts, university and college teachers and their students.

The International Business Leaders Forum works with business, governments and civil society to enhance the contribution that companies can make to sustainable development. Since being established in 1990, IBLF has provided strategic counsel to companies to enable them to understand and respond to the development challenges that they face, particularly when operating in transition and emerging economies. It also helps businesses connect with other organisations and develop successful cross-sector partnerships. IBLF has worked in over 90 countries and is supported by over 100 of the world's leading businesses.

The International Finance Corporation is the private sector financing arm of the World Bank Group. IFC's Purpose is to create opportunities for people to escape poverty and improve their lives. To achieve its purpose, IFC offers development-impact solutions through firm-level interventions (direct investments, advisory services, and the IFC Asset Management Company); standard-setting; and business enabling environment work.

Nomogaia is a non-profit research and policy organization dedicated to clarifying the corporate role in human rights protection and facilitating corporate responsibility for the communities impacted by capital projects. They close the gap between academic literature and on-the-ground research using a unique field-based methodology for Human Rights Impact Assessment. The methodology and case studies of Nomogaia are made publicly available to serve as guidance for socially responsible corporations and the entities that work with them.

The Norwegian Agency for Development Cooperation (Norad) is a directorate under the Norwegian Ministry of Foreign Affairs (MFA). One of the aims of Norad is to be the centre of expertise for evaluation, quality assurance and dissemination of the results of Norwegian development cooperation, jointly with partners in Norway, developing countries and the international community.