| Academy of Natural Sciences of Drexel University | Philadelphia | 1812 |
| AIGA | New York City | 1914 |
| American Academy in Rome | Rome, New York City | 1894 |
| American Academy of Arts and Sciences | Cambridge | May 4, 1780 |
| American Antiquarian Society | Worcester | 1812 |
| American Association for the Advancement of Science | Washington, D.C. | September 20, 1848 |
| American Automobile Association | Heathrow | 1902 |
| American Bible Society | Philadelphia | May 11, 1816 |
| American Heart Association | Dallas | June 10, 1924 |
| American Institute of Physics | College Park | 1931 |
| American Library Association | Chicago | October 6, 1876 |
| American Psychological Association | Washington, D.C. | July 1892 |
| American Sociological Association | 1430 K Street | 1905 |
| American Statistical Association | Boston | November 27, 1839 |
| Annual Reviews | San Mateo, Palo Alto | 1932 |
| Art Institute of Chicago | Chicago | 1879 |
| Aspen Music Festival and School | — | 1949 |
| Bishop Museum | Honolulu | 1889 |
| Boston Athenæum | Boston | 1850 |
| California Academy of Sciences | San Francisco | 1853 |
| Cold Spring Harbor Laboratory | — | 1890 |
| Columbia University Press | New York City | 1893 |
| Common Crawl | — | 2008 |
| Detroit Institute of Arts | — | 1885 |
| Ford Foundation | Ford Foundation Center for Social Justice | 1936 |
| Free Library of Philadelphia | Philadelphia | 1891 |
| Geological Society of America | Boulder | 1888 |
| Institute of Electrical and Electronics Engineers | Manhattan | January 1963 |
| International Center of Photography | New York City | 1974 |
| Kaiser Permanente | Oakland | 1945 |
| Library of America | New York City | 1979 |
| Linguistic Society of America | — | — |
| Lyric Opera of Chicago | Chicago | 1954 |
| Marine Biological Laboratory | Falmouth | 1888 |
| Mayo Clinic | Rochester | 1889 |
| MITRE Corporation | Bedford | 1958 |
| National Civil Rights Museum | Memphis | 1968 |
| National Gallery of Art | Washington, D.C. | March 24, 1937 |
| New York Botanical Garden | The Bronx, New York City | 1891 |
| New York Public Library | New York City | May 23, 1895 |
| NPR | Washington, D.C. | February 26, 1970 |
| Princeton University Press | Princeton | 1911 |
| Project Management Institute | Newtown Township | 1969 |
| Public Library of Science | Levi's Plaza | July 11, 2001 |
| San Francisco Museum of Modern Art | San Francisco | 1935 |
| San Francisco Opera | San Francisco | 1923 |
| Sesame Workshop | 1 Lincoln Plaza, New York City | May 20, 1968 |
| Society for Industrial and Applied Mathematics | University City | 1951 |