Great Lakes Planetarium Association [GLPA] - Affiliate of the International Planetarium Society and the National Science Teachers Association. Contains society information.

Great Plains Planetarium Association [GPPA] - Disseminates information and coordinates programs through publications and conferences. Contains society and member information.

Middle Atlantic Planetarium Society [MAPS] - Represents public and school planetariums from Maine to Virginia. Contains member and conference information.

Southeastern Planetarium Association [SEPA] - Includes links to each member site and organization information.

Southwest Association of Planetariums [SWAP] - Contains information and membership list.

Pacific Planetarium Association [PPA] - Contains membership list and newsletter.