American Association for the Advancement of Science
American Institute of Biological Sciences
American Medical Association
American Physiological Society
American Society for Biochemistry and Molecular Biology
American Society for Cell Biology
American Society for Microbiology
Canadian Society of Microbiologists
Federation of American Societies for Experimental Biology
Federation of European Microbiological Societies (FEMS)
Foundation for Microbiology
Howard Hughes Medical Institute
Institute of Food Science & Technology
Institute of Animal Physiology and Genetics
The Marine Biological Laboratory
National Academy of Sciences
National Association of Biology Teachers
National Science Teachers Association
The Society for General Microbiology
The Society for Industrial Microbiology

Governmental Agencies -US
Centers for Disease Control
Environmental Protection Agency
Food and Drug Administration
Human Genome Project
National Center for Biotechnology Information
National Center for Environmental Health
National Center for Human Genome Research
National Center for Infectious Diseases
National Institute of Allergy and Infectious Disease
National Institute of General Medical Sciences
National Library of Medicine
National Science Foundation
Office of Biological and Environmental Research

Governmental Agencies -Foreign
British Public Health Laboratory Service
Pasteur Institute
World Health Organization