AEPA (Chilean Environmental Association)

Canadian Environment Industry Association, Ontario

Composting Council of Canada

Ecological Society of America

Environmental Assessment Association

Environmental Professionals Organisation

Environmental Services Association of Alberta

Estuarine Research Foundation

Florida Association of Environmental Professionals (FAEP)

Hawaii Association of Environmental Professionals (HAEP)

Hazardous Waste Action Coalition

Institute of Professional Environmental Practice (IPEP)

International Association for Impact Assessment

Interstate Technology and Regualtory Cooperation

National Association of Environmental Professionals

National Association of Local Government Environmental Professionals

National Registry of Environmental Professionals

New York State Association for Reduction Reuse and Recycling

Northwest Environmental Business Council (NEBC)

Society for Ecological Restoration

Society of Environmental Toxicology and Chemistry (SETAC)

Water Environment Federation

Washington Environmental Industry Association
Life Sciences

Alberta Society of Professional Biologists

American Fisheries Society

American Institute of Biological Sciences

American Society of Ichthyologists and Herpetologists

Canadian Society of Environmental Biologists

Association of Professional Biologists of British Columbia

Society of Wetlands Scientists
Earth Sciences

ASFE: Professional Firms Practicing in the Geosciences

American Geological Institute

American Geophysical Union

American Institute of Hydrology

American Institute of Professional Geologists

American Society of Limnology and Oceanography

Association of Engineering Geologists

Association of Exploration GeochemistsbAEG Business Office

British Geological Survey

Geological Society of America

Geoscience Information Group

International Association of Mathematical Geologists

National Ground Water Association

National Society of Consulting Soil Scientists, Inc

International Society of Soil Science

Society of Exploration Geophysicists

Society for Sedimentary Geology

Soil and Water Conservation Society
Health and Safety

American Industrial Hygiene Association

American Society of Safety Engineers

American Society of Safety Engineers, Western PA Chapter

American Board of Industrial Hygiene

The Association of Canadian Registered Safety Professionals (ACRSP)

Environment & Safety Data Exchange (ESDX) Home Page

The Institution of Occupational Safety and Health (IOSH)

National Association of County and City Health Officials

Chemistry & Engineering
American Chemical Society

American Institute of Chemical Engineers (

American Academy of Environmental Engineers

American Society of Civil Engineers

Association for Facilities Engineering (AFE)
Other

American Association for the Advancement of Science

American Planning Association

American Society of Landscape Architects

American Society for Testing and Materials

Association of American Pesticide Control Officials

International Society for Decontamination & Decommissioning Professionals

International Organization for Standardization (ISO)

Information Systems Audit and Control Association & Foundation (ISACA)

The International Society of Photogrammetry and Remote Sensing

Ontario Waste Management Association

The Professional's Page

Quebec Lumber Manufacturers' Association (QLMA)

Quebec Forest Industries Association (QFIA)