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 | 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|
| LEGSolutions | - | - | - | - | x | - |
| Ackerman Business Consultants | x | x | x | x | x | - |
| Air Force, MEDSITE | x | - | - | - | - | - |
| Antrim Corporation | - | x | x | - | - | - |
| Atlantic Consultants | x | x | x | - | - | - |
| BewiData GmbH | - | - | - | x | x | - |
| Bradfield Enterprises | - | - | x | x | - | - |
| Brigham and Women's Hospital | - | x | x | - | - | - |
| Jacquard Software Research | x | - | x | - | - | - |
| Connections Group Ltd. | x | - | - | - | - | - |
| Defense Medical Information Management | - | - | x | - | - | - |
| Epic Systems Corporation | x | x | x | - | - | - |
| Sanchez Computer Associates Incorporated | - | - | x | - | - | - |
| InterSystems Corporation | x | - | x | x | x | - |
| Isotech | x | x | x | x | - | - |
| Kaiser Permanente Health Group | x | x | - | x | - | - |
| M-Technology | x | - | - | - | - | - |
| MDCC - Europe | x | - | x | - | - | - |
| Micronetics Design Corporation | x | x | x | - | - | - |
| MTA - Europe | x | x | x | - | - | - |
| Laboratory Corporation of America | x | - | - | - | - | - |
| Polylogics Consulting | - | x | x | x | - | - |
| Richardson Computer Research | x | x | x | x | x | - |
| Sentient Systems Inc. | x | x | x | - | - | - |
| University of Missouri | x | x | x | x | - | - |
| Veterans Administration Information Systems Center (2) - Washington, DC | x | - | - | - | - | - |
| Veterans Administration Information Systems Center (3) - Birmingham | x | x | x | x | x | - |
| Veterans Administration Information Systems Center (6) - San Francisco | x | x | x | x | x | - |
| Veterans Administration Medical Center - Tuscaloosa | x | - | - | - | - | - |
| Veterans Administration Medical Center - Houston | x | x | x | x | x | - |
| Health Partners, Incorporated | - | - | - | - | x | - |
| University of Washington (Seattle) | - | - | - | - | x | - |