Voting privileges are lost when attendance drops below 3 of the 8 most recent meetings.
Membership is lost when attendance drops below 1 of the most recent 8 meetings.
| Member | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
|---|---|---|---|---|---|---|---|---|---|---|
| Q Med Info | - | - | - | - | - | - | - | x | - | - |
| Ackerman Business Consultants | - | - | - | x | - | x | - | x | x | x |
| Air Force, MEDSITE | - | - | - | - | x | x | - | - | - | - |
| Antrim Corporation | x | - | - | - | x | - | x | - | x | - |
| Atlantic Consultants | - | - | x | x | x | x | x | - | x | - |
| BewiData GmbH | x | - | - | - | - | x | - | - | - | - |
| Bradfield Enterprises | x | x | x | x | x | x | x | x | x | x |
| Brigham and Women's Hospital | - | - | - | - | x | x | x | x | x | x |
| C Schell Systems | - | x | - | - | - | - | - | - | - | - |
| Jacquard Software Research | - | - | x | x | x | x | x | x | x | - |
| Defense Medical Information Management | x | x | x | x | x | x | x | x | - | - |
| Epic Systems Corporation | - | - | x | x | x | x | x | x | x | - |
| GlobalWare | - | - | x | - | x | - | - | - | - | - |
| Sanchez Computer Associates Incorporated | - | x | - | x | x | - | - | x | - | - |
| Diamond Consulting | - | - | - | - | - | - | - | - | x | - |
| Cap Gemini UK PLC | x | x | - | - | - | x | - | - | - | - |
| University of California at Davis - Veterinary Department | - | - | x | - | x | - | - | - | - | - |
| IBM Corporation - VM/ESA Division | - | x | - | - | - | - | - | - | - | - |
| IDX Systems Corporation | x | - | - | - | - | - | - | - | - | - |
| InterSystems Corporation | x | x | x | - | x | x | x | x | - | - |
| Isotech | - | - | x | - | x | - | x | x | - | x |
| Kaiser Permanente Health Group | - | - | - | - | - | x | - | - | - | x |
| M-Technology | - | - | - | - | x | - | x | - | x | - |
| Matchups | - | - | x | - | - | - | - | - | - | - |
| McIntyre Consulting Inc. | - | x | - | - | - | - | - | - | - | - |
| MDCC - Europe | x | - | x | - | x | - | x | x | x | - |
| Micronetics Design Corporation | x | - | x | x | x | x | x | x | x | - |
| MTA - Europe | - | x | - | x | x | x | x | x | x | - |
| Laboratory Corporation of America | - | x | x | - | - | x | - | - | - | - |
| Polylogics Consulting | - | - | x | x | x | - | x | x | x | x |
| Richardson Computer Research | - | - | x | x | x | x | x | x | x | x |
| Science Applications International Corporation | x | x | x | x | - | - | - | - | - | - |
| Sentient Systems Inc. | x | - | x | - | - | x | x | - | - | - |
| University of Missouri | - | - | - | - | x | - | x | x | x | x |
| Veterans Administration Information Systems Center (5) - Salt Lake City | - | - | - | - | x | - | - | - | - | - |
| Veterans Administration Information Systems Center (6) - San Francisco | - | x | - | - | - | x | x | x | - | - |
| Veterans Administration Medical Center - Tuscaloosa | - | - | - | - | x | x | - | - | - | - |
| Veterans Administration Medical Center - Houston | - | - | - | x | x | - | x | x | - | - |
| Health Partners, Incorporated | - | - | - | x | - | - | - | - | - | - |