Resource: Professional Societies
- Michigan Department of Environment, Great Lakes, and Energy
- Microbiology Society
- Million Women Mentors
- Minerva Center for Origin of Life Under Extreme Planetary Conditions
- Minnesota Pollution Control Agency
- Minorities in Shark Science
- Minority PhotoJournalism Institute
- Mission Blue
- Mississippi Department of Environmental Quality
- Missouri Department of Natural Resources
- MIT Deep Water Archaeology Research Group
- MIT Energy Initiative
- MN350
- Montana Department of Environmental Quality
- Monterey Bay National Marine Sanctuary Foundation
- Movement Generation Justice & Ecology Project
- Museum of Underwater Archaeology
- Mystery Writers of America
- N.C. Clean Energy Technology Center
- NaNoWriMo
- NASA Astrobiology Institute, University of Hawaii
- National Action Council for Minorities in Engineering
- National Aquaculture Association
- National Association for Science Writers
- National Association of Black Geoscientists
- National Association of Black Journalists
- National Association of Geoscience Teachers
- National Association of Hispanic Journalists
- National Association of Latino Independent Producers
- National Association of Multicultural Engineering Program Advocates
- National Book Critics Circle
- National Center for Biotechnology Information
- National Council for the Training of Journalists
- National Earth Science Teachers Association
- National Girls Collaborative Project
- National Groundwater Association
- National Marine Educators Association
- National Marine Life Center
- National Marine Sanctuaries
- National Marine Sanctuary Foundation
- National Maritime Museum
- National Oceanic and Atmospheric Administration (NOAA)
- National Organization for the Professional Advancement of Black Chemists and Chemical Engineers
- National Park Service Submerged Resources Center
- National Press Photographers Association
- National Press Photographers Association
- National Renewable Energy Laboratory
- National Research Institute of Aquaculture
- National Shellfisheries Association
- National Society of Black Engineers