The following people participate in the eGov MS as representatives of Supporting Entities. (OASIS members who choose to participate as eGov MS Observers are not named here.)
| Person | Organization |
|---|---|
| Philippe Allart | Adullact |
| Martens Arnaud* | Belgian SPF Finances* |
| tshitshi kia ntoni | Belgian SPF Finances* |
| Phillip Armour | Booz Allen Hamilton* |
| William Barnhill | Booz Allen Hamilton* |
| Henry Bromley | Booz Allen Hamilton* |
| Gordon Dore | Booz Allen Hamilton* |
| Alberto Fietta | Booz Allen Hamilton* |
| Mark Flater | Booz Allen Hamilton* |
| Sri Gopalan | Booz Allen Hamilton* |
| Gary Hallinan | Booz Allen Hamilton* |
| Daniel Hudson | Booz Allen Hamilton* |
| Michael Isman | Booz Allen Hamilton* |
| Raymond Khoury | Booz Allen Hamilton* |
| Rebecca Nielsen | Booz Allen Hamilton* |
| Alison Plotas | Booz Allen Hamilton* |
| Adapa Prasad | Booz Allen Hamilton* |
| Renee Rupple | Booz Allen Hamilton* |
| Pal Sunkara | Booz Allen Hamilton* |
| Charles Thornburg | Booz Allen Hamilton* |
| Mr. Dennis Wenk | Booz Allen Hamilton* |
| Jason Woloz | Booz Allen Hamilton* |
| Joseph Zebrook | Booz Allen Hamilton* |
| Steve Jones | Capgemini |
| Ron Bennett | Deloitte Consulting LLP |
| Chanda Sathe | Deloitte Consulting LLP |
| Tanguy Swinnen | Deloitte Consulting LLP |
| Rob Philpott | EMC Corporation |
| Giles Hogben | ENISA |
| John Richardson | Haringey Council |
| Hans Aanesen | Individual |
| John Borras* | Individual |
| Gershon Janssen | Individual |
| Robert Vitello | New York State Department of Labor |
| Colin Wallis | New Zealand State Services Commission* |
| Carol Cosgrove-Sacks | OASIS * |
| Peter Brown | Pensive.eu |
| Kenneth Sklander | PicoForms |
| Mike Willis | PricewaterhouseCoopers LLP:* |
| Mark Ladd | Property Records Industry Assn.* |
| Sampo Kellomki | Symlabs, S.A. |
| Randeep Sudan | The World Bank Group |
| Bob Sunday | Treasury Board of Canada, Secretariat |
| Joe Waitschat | Treasury Board of Canada, Secretariat |
| Jerry Smith | US Department of Defense (DoD)* |
| David Staggs | Veterans Health Administration |