The following people participate in Emergency MS as representatives of Supporting Entities. (OASIS members who choose to participate as Emergency MS Observers are not named here.)
| Person | Organization |
|---|---|
| Aviv Siegel | AtHoc, Inc. |
| Doug Allport | Canadian Association for Public Alerting and Notification (CAPAN) |
| Thomas Fahy | CellCast Technologies |
| Bryan Kaplan | Collaborative Fusion, Inc. |
| Jim Pettler | Collaborative Fusion, Inc. |
| Buddy Ackerman | Desktop Alert Inc. |
| Howard Ryan | Desktop Alert Inc. |
| Amy Sebring | Emergency Information Infrastructure (EIIP) |
| Scott Johnson | ESI Acquisition, Inc. |
| Werner Joerg | IEM |
| Asuman Dogac | Individual |
| Thomas Ferrentino | Individual |
| Elysa Jones | Individual |
| Carl Mattocks | Individual |
| Peter O'Dell | Individual |
| Darrell O'Donnell | Individual |
| Camille Osterloh | Individual |
| Robert Torchon | Individual |
| Gavin Treadgold | Individual |
| Alison Keefe | Lockheed Martin |
| David Miller | Lockheed Martin |
| Donald McGarry | Mitre Corporation |
| Peter Alterman | National Institutes of Health |
| Rex Brooks | Network Centric Operations Industry Consortium |
| Paul Mangione | Network Centric Operations Industry Consortium |
| Carl Reed | Open Geospatial Consortium, Inc. (OGC) |
| Himadri Banerjee | Previstar Inc. |
| Wernher Behrendt | Salzburg Research Forschungsgesellschaft |
| Laura Slater | Solace Systems |
| Sukumar Dwarkanath | SRA International, Inc. |
| Gary Timm | SRA International, Inc. |
| Tiffany Douglass | Telecommunication Systems, Inc. |
| Jeff Waters | US Department of Defense (DoD) |
| Chad Foster | US Department of Homeland Security |
| Martena Gooch | US Department of Homeland Security |
| Jacqueline Postell | US Department of Homeland Security |
| Ronn Bailey | Vanguard Integrity Professionals |
| Anthony Rutkowski | Yaana Technologies, LLC |