| Cluster Headaches: Devoted completely and exclusively to those that suffer from Cluster Headaches |
| Cluster Treatment: The Michigan Headache Treatment Network is a treatment program for people with headache disorders. |
| Maine Headache Support Group: Educating sufferers and raising public awareness of headache as a valid illness. Located in Portland. |
| Migraine Headache Community: Message boards and chat dedicated to sharing information, offering support, and coping strategies to better manage Migraines and Headaches. Moderated by volunteers. |
| Ronda's Migraine - Support: On-line journal - Share your experiences or read the stories posted from other migraine sufferers. Listing of migraine support groups. |