Mideastern Michigan Library Cooperative
- Sixteen member libraries with fifty-two locations throughout Genesee, Lapeer, Shiawassee and northern Oakland counties.
- http://mideastern.lib.mi.us/

Marialyce Canonie Great Lakes Research Library
- Library and archive on the entire scope of Michigan's maritime history. This collection consists of over 2,500 books, videotapes, sound recordings, maps, and periodicals.
- http://www.michiganmaritimemuseum.org/greatlakesresearchlibrary/

Woodlands Library Cooperative
- Provides interlibrary loan, delivery service, a union catalog, continuing education, member home pages, and vendor discounts to member libraries.
- http://woodlands.lib.mi.us/

Suburban Library Cooperative
- Serving 21 communities in Macomb, Oakland and Wayne Counties.
- http://www.libcoop.net

The Michigan Electronic Library
- Virtual library is selected and evaluated by librarians and is designed to be a comprehensive electronic information tool for Michigan's libraries, schools and citizens.
- http://mel.org/

Northland Library Cooperative
- Serving the Northern Lower Penninsula. Includes member libraries, services, librarian's page, regional catalog, and the Michigan Electronic Library.
- http://www.northland.lib.mi.us/

Michigan Library Consortium
- Source for information and technology in Michigan. Offers online research resources, workshops, and e-books.
- http://www.mlc.lib.mi.us/

Michigan Library Association
- A state wide organization representing library personnel. Its members strive to improve library services and resources. MLA also provides an opportunity to meet library peers and associates.
- http://www.mla.lib.mi.us/

The Library Network
- The largest library cooperative in the State of Michigan, serving 2.4 million residents located throughout all or parts of Wayne, Washtenaw, Oakland, St. Clair, Livingston and Macomb counties.
- http://tln.lib.mi.us/

Metro Net Library Consortium
- A Michigan non-profit public library consortium. Ten locations in Wayne and Oakland counties.
- http://metronet.lib.mi.us/