New Hampshire Aviation Historical Society
- Works to preserve the history of aviation in New Hampshire. Event listings, membership information, newsletter archive, contact information, and sponsor's page.
- http://www.nhahs.org/

Twin State Flyers
- Local chapter of the Experimental Aircraft Association. Newsletter, upcoming flyins, chapter officers, membership application, photo galleries, and member classified ads.
- http://members.valley.net/~eaachapter740/

Aviation Association of New Hampshire
- Promotes the interests of the aviation community in the state. Membership information, club charter, events listings, detailed airport and seaplane base directories, online store, and members' area.
- http://www.aanh.org/