| |
Year Representation Started |
| American Academy of Ophthalmology |
2000 |
| American Chiropractic Association |
2013 |
| American College of Gastroenterology |
1998 |
| American Healthcare Radiology Administrators |
2006 |
| AMGA (American Medical Group Association) |
2016 |
| Automotive Service Association |
2018 |
| Cambridge University Press |
2001 |
| Octagon Communications, Inc. |
2020 |
| Society of Actuaries |
2012 |
| Wiley Publishing |
1997 |