| Attendee | Affiliation |
| Justin Aborn | BridgePort Networks Inc. |
| Anand Akundi | Telcordia Technologies/Co-Chair of ESIG NGES |
| Kamran Aquil | Noblis |
| Michael Armstrong | Verizon Communications |
| David Aylward | COMCARE |
| Gábor Bajkó | Nokia |
| Deborah Barclay | Alcatel-Lucent |
| Richard Barnes | BBN Technologies |
| Patricia Bluhm | HBF Group |
| Terri Brooks | TruePosition, Inc. |
| RoxAnn Brown | Metropolitan Government of Davidson County |
| Amanda Byrd | APCO International |
| Guy Caron | Bell Canada |
| Steven Chacko | S5 Wireless |
| Sharon Counterman | Greater Harris County 911 Emergency Network |
| Pierre Desjardins | Positron Public Safety Systems |
| Kevin Dopart | Noblis |
| Tim Dunn | T-Mobile USA |
| Stephen Edge | Qualcomm |
| Michael Fargano | Qwest |
| Mark Fedor | SunRocket, Inc. |
| Chris Fischer | APCO - Board of Officers - 1st Vice President |
| Michael Freitas | Connexis LLC |
| James Goerke | Texas 9-1-1 Alliance |
| Jenny Hansen | Contractor - US Department of Transportation |
| Marilyn Haroutunian | Sprint Nextel |
| Gregory Henderson | Research In Motion |
| Roger Hixson | National Emergency Number Association |
| Robert Iwaszko | Verizon Wireless |
| Walter Johnston | FCC |
| Gary Jones | T-Mobile USA |
| Rick Jones | National Emergency Number Association |
| Arata Koike | NTT |
| James Krammen | Motorola |
| Roy Kuntz | Microsoft Corp |
| Andres Kütt | Skype |
| Matthew Lepinski | BBN Technologies |
| Marc Linsner | Cisco |
| Michael Maddix | Sorenson Communications, Inc. |
| Roger Marshall | TeleCommunication Systems, Inc. |
| Brian McNiff | TechnoCom Corporation |
| Michael Mercer | 911NEXT Corporation |
| William Mertka | RedSky Technologies |
| Christian Militeau | Intrado |
| Robert Montgomery | Sprint Nextel |
| John Morris | Center for Democracy & Technology |
| Peter Musgrove | Cingular Wireless |
| Andrew Newton | SunRocket, Inc. |
| Margaret Ohara | East Carolina University |
| Michael Pedigo | APCO Project 41 |
| George Percivall | Open Geospatial Consortium (OGC) |
| Jon Peterson | NeuStar |
| James Polk | Cisco Systems |
| Brian Rosen | NeuStar |
| Michael Schmitt | Idaho National Lab |
| Henning Schulzrinne | Columbia University |
| Elaine Seeman | East Carolina University |
| Susan Sherwood | Verizon Wireless |
| Barbara Stark | AT&T |
| Douglas Stuard | Andrew Corporation |
| Carol-lyn Taylor | DHS |
| Tom Taylor | Nortel |
| Paul Thompson | TeleCommunication Systems, Inc |
| Hannes Tschofenig | Nokia Siemens Networks |
| Kamala Urs | Motorola |
| Mohammad Vakil | Microsoft |
| Alain Van Gaever | European Commission |
| Arthur Webster | NTIA/ITS |
| A. Winterbottom | Andrew Corporation |
| Stephen Wisely | Project Coordinator APCO International |
| Harry Worstell | AT&T Labs |
| Steven Zweifach | Sprint Nextel |