Maine's Regional Library System
- Affiliated with the Maine State Library, the system is comprised of three districts servicing all kinds of libraries; public, school, academic, and special libraries.
- http://www.maine.gov/msl/libs/districts/

Maine Library Association
- Includes hot topics, legislative news, publications, calendar, committees, and Maine webs.
- http://mainelibraries.org

Maine Association of School Libraries
- Dedicated to promoting quality library media services in all Maine schools.
- http://www.maslibraries.org/