- A
- Action Against Hunger (1)
- ADC Research Institute (1)
- All Stars Project (1)
- Alvin Ailey American Dance Theater (1)
- Alzheimer's Association (2)
- American Association for the Advancement of Science (1)
- American Conservation Experience (1)
- American Dance Festival (1)
- American Diabetes Association (1)
- American Enterprise Institute (1)
- American Geophysical Union (1)
- American Humanist Association (1)
- American Institute of Economic Research (1)
- American Institute of Physics (1)
- American Jewish World Service (1)
- American Legacy Foundation (1)
- American Lung Association (1)
- American Museum of Natural History (1)
- American Public Media (1)
- American Rivers (1)
- American Symphony Orchestra (1)
- Americans for Democracy and Human Rights in Bahrain (1)
- Americans for the Arts (1)
- AMIDEAST (1)
- Amnesty International (1)
- Anathoth Community Garden and Farm (1)
- APIAVote (1)
- Appalachian Mountain Club (1)
- Arms Control Association (1)
- Art Institute of Chicago (1)
- Arts for Humanity (1)
- Artspace (1)
- Asheville Art Museum (1)
- Asheville Community Theater (1)
- ASPCA (1)
- Aspen Institute (1)
- Atlantic Council (1)
- B
- C
- Cancer Support Community (1)
- Center for Global Development (1)
- Center for Science in the Public Interest (1)
- Center for Sustainable Energy (1)
- Chicago United for Equity (1)
- Children of Promise, NYC (1)
- Children's Healthcare of Atlanta (1)
- Chinati Foundation (1)
- Church World Service (2)
- Citizens Union (1)
- City of Harrisonburg Virginia (2)
- Clinton Foundation (1)
- Cultural Vistas (1)
- D
- E
- F
- G
- H
- I
- I-Dev International (1)
- Idaho Conservation Corps (1)
- IGLHRC (1)
- Imagine Rural Development Initiative (1)
- Indianapolis Metropolitan Police Department (1)
- Institute for Humane Studies (1)
- Institute of Contemporary Art (1)
- International Center for Research on Women (1)
- International Fund for Agricultural Development (1)
- International Initiative for Impact Evaluation (1)
- International Refugee Rights Initiative (1)
- International Rescue Committee (1)
- Irish Arts Center (1)
- K
- L
- M
- Make-A-Wish America (1)
- Massachusetts Nonprofit Network (1)
- Mexican American Legal Defense and Educational Fund (1)
- Milken Institute (1)
- Minnesota Historical Society (1)
- Mission for Migrant Workers (1)
- Missouri Botanical Garden (2)
- Missouri Department of Conservation (1)
- Mote Marine Laboratory (1)
- Mount Washington Observatory (1)
- MSPCA (1)
- Museum of Art and Design (1)
- Museum of Fine Arts Boston (1)
- Museum of Science (1)
- N
- NACCHO (1)
- Nantucket Maria Mitchell Association (1)
- NASA (2)
- Nashville Zoo (1)
- National Audubon Society (1)
- National Center for Policy Analysis (1)
- National Constitution Center (1)
- National Council on Aging (1)
- National Kidney Foundation (1)
- National MS Society (3)
- National Park Service (1)
- National Patient Safety Foundation (1)
- National Women's Law Center (1)
- New York City Parks (1)
- NYC Parks (1)
- NYSERDA (1)
- O
- P
- Pacific Arts Movement (1)
- Pacific Symphony (2)
- Paleontological Research Institution (1)
- PATH (1)
- Pittsburgh Zoo and PPG Aquarium (1)
- Plimouth Plantation (1)
- Poetry Society of New York (1)
- Population Action International (1)
- Population Services International (1)
- Potomac Institute for Policy Studies (1)
- Pro Publica (1)
- Promundo (1)
- Public Health Foundation (1)
- R
- S
- Salvation Army (1)
- San Diego Coastkeeper (1)
- San Francisco Museum of Modern Art (1)
- Save Our Seabirds (1)
- Sierra Club - Maryland Chapter (1)
- Smithsonian (1)
- Solomon R. Guggenheim Museum (1)
- South Carolina Department of Parks, Recreation and Tourism (1)
- St. Mark's Historic Landmark Fund/Neighborhood Preservation Center (1)
- State of Georgia (1)
- Student Conservation Association (1)
- Synergos Institute (1)
- T
- Tahirih Justice Center (1)
- Tall Timbers Research Station (1)
- Texas State Aquarium (1)
- The Bushnell (1)
- The Case Foundation (1)
- The Climate Group (2)
- The Fund for American Studies (1)
- The Heritage Foundation (1)
- The Humane Society of the United States (1)
- The Metropolitan Museum of Art (1)
- Town of Chapel Hill (1)
- Town of Chapel Hill NC (1)
- U
- U.S. Fish & Wildlife Service (1)
- UN Global Compact (1)
- UN Volunteers (1)
- UN Women (2)
- UNHCR (1)
- UNHCR Washington (1)
- UNICEF (1)
- UNITAR (1)
- United Nations Develpment Programme (1)
- United Nations Industrial Development Organization (1)
- United States District Court - District of Arizona (1)
- United States Olympic Committee (1)
- Urban Institute (1)
- Urban Justice Center (1)
- US Global Leadership Coalition (1)
- V
- W
- Washington Humane Society (1)
- Washington Office on Latin America (1)
- Washington Performing Arts (1)
- Washington State Auditor's Office (1)
- White House Historical Association (1)
- White House Office of Science and Technology Policy (1)
- Women's Environmental Institute (1)
- Women's Studio Workshop (1)
- World Wildlife Fund (1)
- World YWCA (1)
- WorldOregon (1)
- Y
- Z