| All-Ireland electronic Health Library | amccune | 14 | This extranet group was established to support the work of the All-Ireland electronic Health Library | Invite only |
| All-Ireland Health Intelligence 2009 | ulrike.klein | 3 | This extranet group was established to support the work of the All-Ireland Health Intelligence 2009 Organising Committee. | Closed |
| APHO Business & Communications Managers Forum | ulrike.klein | 3 | This extranet group was established to support the work of the APHO Business & Communications Managers Forum. | Closed |
| Health Analysts' Special Interest Group | ulrike.klein | 206 | This extranet group was established for the CHAIN Health Analysts' Special Interest Group | Closed |
| INIsPHO Advisory Group | ulrike.klein | 18 | This extranet group was established to support the INIsPHO Advisory Group. | Closed |
| INIsPHO Team | ulrike.klein | 8 | This extranet group was established for the INIsPHO Team | Closed |
| IPH Management Board | amccune | 6 | This area of the extranet was established and is managed by the IPH to support the Management Board. | Invite only |
| IPH Staff Extranet | amccune | 14 | This is a secure system accessible only by IPH staff members | Closed |
| Irish Diabetes Working Group | ulrike.klein | 3 | This extranet group was established to support the work of the Irish Diabetes Working Group | Closed |
| Irish Health Poverty Index Working Group | ulrike.klein | 19 | This extranet group was established to support the work of the Irish Health Poverty Index Working Group | Invite only |
| Knowledge Brokerage Sub-Committee | ulrike.klein | 38 | This extranet group was established to support the work of the Knowledge Brokerage Sub-Committee | Invite only |