Great Lakes Planetarium Association [GLPA]
Affiliate of the International Planetarium Society and the National Science Teachers Association. Contains society information.
http://www.pa.msu.edu/abrams/GLPA/index.html

Great Plains Planetarium Association [GPPA]
Disseminates information and coordinates programs through publications and conferences. Contains society and member information.
http://www.spacelaser.com/gppa/

Middle Atlantic Planetarium Society [MAPS]
Represents public and school planetariums from Maine to Virginia. Contains member and conference information.
http://www.maps-planetarium.org/

Southeastern Planetarium Association [SEPA]
Includes links to each member site and organization information.
http://www.sepadomes.org/

Southwest Association of Planetariums [SWAP]
Contains information and membership list.
http://www.tyler.cc.tx.us/SWAP/

International Planetarium Society [IPS]
Organization of professional planetarians. Contains organization, events, and publications.
http://www.ips-planetarium.org/

Pacific Planetarium Association [PPA]
Contains membership list and newsletter.
http://www.ccsn.nevada.edu/planetarium/PPA/