ICRU has operated since its inception 80 years ago as a non-profit and non-governmental organization. The Commission utilizes the freely volunteered services of physicians, scientists and engineers who participate in its program through service on the Commission or on working groups engaged in the development of guidance and recommendations.

In recent years, principal financial support has been provided by the European Commission, the National Cancer Institute of the US Department of Health and Human Services and the International Atomic Energy Agency. In addition, during the last ten years, financial support has been received from the following organizations:

(This list includes links to the homepages of other organizations and companies. These links are provided for informational purposes only and do not imply endorsement of any organization or program by the ICRU).

American Association of Physicists in Medicine

Belgian Nuclear Reseach Centre

Canadian Nuclear Safety Commission

Eastman Kodak Company

EDF Électricité de France

European Commission

Fuji Medical Systems

HelmholtzZentrum münchen

Hitachi, Ltd.

International Atomic Energy Agency

International Radiation Protection Association

International Society of Radiology

Ion Beam Applications

Italian Radiological Society

Japan Industries Association of Radiological Systems

Japanese Society of Radiological Technology

MDS Nordion

National Cancer Institute of the U.S. Department of Health and Human Services

Nederlandse Vereniging voor Radiologie

Ohio State University

Philips Medical Systems, Inc.

Radiation Research Society

Radiological Society of North America


Swedish Radiation Safety Authority


In addition, several individuals and many other organizations provide direct or indirect help for the Commission’s program. This support is given in many forms, including, among others, subsidies for (1) the time of individuals participating in ICRU activities, (2) travel costs involved in ICRU meetings, and (3) meeting facilities and services.

In recognition of the fact that its work is made possible by the generous help provided by all of the individuals and organizations supporting its program, the Commission expresses its deep appreciation.