SERA is an organization made up of the Alabama, Florida, Georgia, Mississippi, North Carolina, South Carolina, and Tennessee NSS regions, USA.

Has chapters of the NSS in Green Bay and Madison. Promotes exploration and study. Includes membership information, events, trip schedules and contacts.

Chapter of the National Speleological Society meets in Bountiful, Utah. Includes meeting and trip schedules, membership list, photos and contacts.

A portal to organized caving in Utah. Meeting information, trip reports, upcoming trips, cave maps, and the Utah long and deep cave list.

Affiliated with the National Speleological Society to promote conservation, safety and communication. Includes Constitution and Bylaws, photo gallery and regional events.

Based in Maryland and chapter since 1970. Dedicated to conservation, protection, exploration and surveying. No fixed meeting dates and locations. Includes newsletter, photo album, membership and contact information.

Promotes exploring, surveying, conservation, vertical work and safety techniques. Includes calendar of events, trip reports and contact information.

Chartered in 1978 for exploration, conservation and study. Includes membership manual, monthly meeting notice, newsletters, photo galleries, store and links.

Chapter of the National Speleological Society was founded in 2001 for exploration, conservation and survey of South Central Idaho caves. Includes Constitution and Bylaws, event schedule, meeting and contact information.

Based in Union Lake and is a chapter of the National Speleological Society. Promotes exploration and conservation. Includes upcoming events, meeting and membership information, photos, store and contacts.