The following people participate in IDtrust as representatives of Supporting Entities. (OASIS members who choose to participate as IDtrust Observers are not named here.)
| Person | Organization |
|---|---|
| Gianfranco Tabasso | AITI-Associazione Italiana Tesorieri de Impresa |
| Ezer Farhi | ARX |
| Nelson Cicchitto | Avatier Corporation |
| Taher Elgamal | Axway Software* |
| Dale Moberg | Axway Software* |
| Abbie Barbir | Bank of America |
| Hu Guangbin | Beijing CE Open Source Software Co., Ltd. |
| Scott Kipp | Brocade Communications Systems, Inc. |
| John Sabo | CA* |
| Ned Allison | California Legislative Data Center |
| Marta Cruellas | CATCert-Agencia Catalana de Certificacio |
| Tom Bishop | Conformity |
| Tim Hudson | Cryptsoft Pty Ltd. |
| Oyvind Gjorven | Directorate of Labour and Welfare Norway |
| Rob Philpott | EMC Corporation |
| Daya Puls | EMC Corporation |
| Larry Hofer | Emulex Corporation |
| John Moehrke | GE Healthcare* |
| David Temoshok | General Services Administration |
| Christoph Meinel | Hasso Plattner Institute |
| Joel Fleck II | Hewlett-Packard* |
| Steven Wierenga | Hewlett-Packard* |
| Dave Ings | IBM |
| Bruce Rich | IBM |
| Mary Ruddy | Identity Commons |
| Hans Aanesen | Individual |
| Henrik Biering | Individual |
| John Bradley | Individual |
| Peter Brown | Individual |
| Asuman Dogac | Individual |
| Michele Drgon | Individual |
| Chester Ensign | Individual |
| Gershon Janssen | Individual |
| June Leung | Individual |
| Gail Magnuson | Individual |
| Neal McBurnett | Individual |
| Michael McIntosh | Individual |
| Scott Rea | Individual |
| Gary Roboff | Individual |
| Michael Willett | Individual |
| Drummond Reed | Information Card Foundation |
| Christoper Bonatti | International Electronic Communication Analysts, Inc. (IECA, Inc.) |
| John Sabo | International Security Trust & Privacy Alliance (ISTPA) |
| Rob Gerritsen | IRDETO |
| Stefan Bocken | IS4U |
| Robin Gorris | IS4U |
| Brynn Mow | Jericho Systems Corporation |
| Anil John | Johns Hopkins University Applied Physics Laboratory* |
| Thomas Hardjono | M.I.T. |
| Peter Alterman | National Institutes of Health |
| Harm-Jan van Burg | Netherlands Tax and Customs Administration (Belastingd |
| Paul Mangione | Network Centric Operations Industry Consortium |
| Peter Davis | Neustar, Inc.* |
| Nat Sakimura | Nomura Research Institute, Ltd. (NRI)* |
| Harry Haury | NuParadigm Government Systems, Inc. |
| Scott McGrath | OASIS * |
| Marc Aronson | Pennsylvania Assoc. of Notaries |
| Tomas Gustavsson | PrimeKey Solutions AB |
| Bret Piatt | Rackspace Hosting, Inc. |
| Anil Saldhana | Red Hat |
| Wernher Behrendt | Salzburg Research Forschungsgesellschaft |
| David Ellis | Sandia National Laboratories |
| Igor Rocha | Serasa S.A. |
| Pim van der Eijk | Sonnenglanz Consulting |
| Jonathan Geater | Thales e-Security |
| Kenneth Dagg | Treasury Board of Canada, Secretariat |
| Bob Sunday | Treasury Board of Canada, Secretariat |
| Jerry Smith | US Department of Defense (DoD)* |
| Ronn Bailey | Vanguard Integrity Professionals |
| Brian Marshall | Vanguard Integrity Professionals |
| Siddharth Bajaj | VeriSign |
| Bill Tabor | WidePoint Corporation |
| Daniel Turissini | WidePoint Corporation |
| Bill Washburn | XDI.ORG* |
| Anthony Rutkowski | Yaana Technologies, LLC |