| American Association for the Advancement of Science | nonprofit organization, open-access publisher, international organization, academic publisher | September 20, 1848 |
| American Geophysical Union | nonprofit organization, open-access publisher, scientific society | 1919 |
| American Psychological Association | regulatory college, nonprofit organization, publishing house, open-access publisher, professional association, school accreditor | July 1892 |
| Bad Boy Records | record label, music publisher, imprint, music organization | 1993 |
| Blackboard | business, subsidiary company, public company | 1997 |
| Corteva | business, public company | March 15, 2018 |
| Democratic National Committee | business | 1848 |
| Gallaudet University | private not-for-profit educational institution, university | 1857 |
| Georgetown University | research university, private not-for-profit educational institution, Catholic university, private university | January 23, 1789 |
| Graham Holdings Company | business, public company | 1889 |
| Howard University | historically black college or university, private not-for-profit educational institution, school, private university | March 2, 1867 |
| Inter-American Development Bank | multilateral development bank | 1959 |
| National Academy of Engineering | academy of sciences | 1964 |
| NPR | radio network, public broadcaster, online newspaper without paywall, nonprofit organization, nonprofit corporation | February 26, 1970 |
| Pan American Health Organization | open-access publisher, international organization | December 2, 1902 |
| Phi Beta Kappa Society | organization, honor society, learned society, academic publisher | December 5, 1776 |
| Radio Free Asia | radio station, broadcaster, nonprofit organization, news agency | 1994 |
| Trinity Washington University | private not-for-profit educational institution, university | 1897 |
| United Press International | news agency, organization, business, enterprise | 1907 |