| ADVOCACY AND MEMBERSHIP |
| Nature Conservancy (Arlington, Va.) |
Aa1 |
| American Association of Retired Persons (Washington) |
Aa3 |
| American Center for Physics (College Park, Md.) |
Aa3 |
| American College of Obstetricians/Gynecologists (Washington) |
A1 |
| American Council of Learned Societies (New York) |
A1 |
| World Wildlife Fund (Washington) |
A1 |
| National Wildlife Federation (Reston, Va.) |
A2 |
| Anti-Defamation League Foundation (New York) |
Baa1 |
| CULTURAL AND ENTERTAINMENT |
| J. Paul Getty Trust (Los Angeles) |
Aaa |
| Smithsonian Institution (Washington) |
Aaa |
| Metropolitan Museum of Art (New York) |
Aa1 |
| National Geographic Society (Washington) |
Aa2 |
| Walker Art Center (Minneapolis) |
Aa2 |
| Academy of Motion Picture Arts & Sciences (Beverly Hills, Calif.) |
Aa3 |
| Children’s Museum of Indianapolis |
Aa3 |
| Munson Williams Proctor Institute (Utica, N.Y.) |
Aa3 |
| Woodruff Arts Center (Atlanta) |
Aa3 |
| Nelson-Atkins Museum (Kansas City, Mo.) |
Aa3 |
| American Museum of Natural History (New York) |
A1 |
| Art Institute of Chicago |
A1 |
| Museum of Modern Art (New York) |
A1 |
| Carnegie Museums of Pittsburgh |
A2 |
| Field Museum (Chicago) |
A2 |
| National Aquarium in Baltimore |
A2 |
| New York Public Libary |
A2 |
| Shedd Aquarium Society (Chicago) |
A2 |
| Adirondack Historical Association (Blue Mountain Lake, N.Y.) |
Baa1 |
| Franklin Institute (Philadelphia) |
Baa2 |
| Colorado Public Radio (Denver) |
Baa2 |
| San Diego Natural History Museum |
Baa3 |
| PHILANTHROPY |
| Andrew W. Mellon Foundation (New York) |
Aaa |
| Rockefeller Foundation (New York) |
Aaa |
| Combined Jewish Philanthropies of Greater Boston |
Aa3 |
| Girard Estate (Philadelphia, Pa.) |
Aa3 |
| Gebbie Foundation (Jamestown, N.Y.) |
A1 |
| Jewish Federation of Metropolitan Chicago |
A1 |
| Charitable Leadership Foundation (Clifton Park, N.Y.) |
Baa3 |
| RESEARCH |
| Henry J. Kaiser Family Foundation (Menlo Park, Calif.) |
Aaa |
| Howard Hughes Medical Institute (Chevy Chase, Md.) |
Aaa |
| Institute for Advanced Study (Princeton, N.J.) |
Aaa |
| Rockefeller University (New York) |
Aaa |
| Samuel Roberts Noble Foundation (Ardmore, Okla.) |
Aaa |
| Carnegie Institute of Washington |
Aaa |
| Whitehead Institute for Biomedical Research (Cambridge, Mass.) |
Aa1 |
| Carnegie Endowment for International Peace and Security (Washington) |
Aa3 |
| National Academy of Sciences (Washington) |
Aa3 |
| Oklahoma Medical Research Foundation (Oklahoma City) |
A1 |
| Scripps Research Institute (La Jolla, Calif.) |
A1 |
| University Corporation for Atmospheric Research (Boulder, Colo.) |
A1 |
| Pennington Medical Foundation (Baton Rouge, La.) |
A3 |
| Boston Biomedical Research Institute (Watertown, Mass.) |
Baa3 |
| Burnham Institute (La Jolla, Calif.) |
Baa3 |
| SERVICE |
| Educational Testing Service (Princeton, N.J.) |
A1 |
| Institute of International Education (New York) |
A1 |
| Medical Academic Scientific Community Organization (Boston) |
A1 |
| YMCA of Greater Hartford (Conn.) |
A1 |
| NCCI Holdings (Boca Raton, Fla.) |
A2 |
| Texas Medical Center (Houston) |
A2 |
| Elderhostel (Boston) |
A3 |
| National Conference of State Legislatures (Denver) |
A3 |
| YMCA of the Greater Houston Area |
A3 |
| Philadelphia Corporation for the Aging |
Baa1 |
| YMCA of Greater New York |
Baa1 |
| San Diego-Imperial Counties Developmental Services Foundation |
Baa3 |
| SOURCE: Moody’s Industry Outlook |
