| Ohio Public Library Information Network (OPLIN): Oversees Internet access for Ohio public libraries. Comprehensive intro for information on all things Ohio: News, government, history, statistics, travel. Access to some databases limited to registered Ohio library patrons. |
| Academic Library Association of Ohio: Over 600 members, representing more than 100 libraries, organizations, and businesses. |
| Cleveland Area Metropolitan Library System: A cooperative of Northern Ohio libraries organized to promote library services among and through member institutions. Extensive list of job openings in Ohio libraries. |
| GCLC - Greater Cincinnati Library Consortium: The Greater Cincinnati Library Consortium is a cooperative of area libraries organized to promote library services among and through member institutions. |
| InfOhio: A state-wide cooperative for school libraries in Ohio. |
| ListenOhio: ListenOhio provides patrons from participating Ohio libraries with a large collection of digital audiobooks- the first collection of its kind. |
| MVL -- Miami Valley Library Cooperative: Library cooperative for the public libraries of Southwestern Ohio. |
| NOLA Regional Library System: The NOLA (Northeast Ohio Library Association) Regional Library System is a multitype library agency serving the school, public, academic and special libraries in its region. |
| NORWELD Regional Library System: Regional library consortium serving the libraries in the Northwest area of Ohio. |
| OELMA - Ohio Educational Library Media Association: An organization dedicated to "educational, literary and technological excellence in library/media services" in Ohio's schools. |
| Ohio Library Council: The Ohio Library Council is the state association for public libraries in Ohio. Highlights include a basic reference training tutorial, Ohio library job links, and information about the organization. |
| Ohio Valley Area Libraries (OVAL): Ohio Valley Area Libraries (OVAL) is a cooperative regional library system for libraries in Southern Ohio providing resource sharing, continuing education and innovative services. |
| OhioLINK: A consortium of Ohio's college and university libraries and the State Library of Ohio, offering access to more than 31 million library items statewide. |
| OPAL: Ohio Private Academic Libraries. Searchable union catalog of Ohio private college libraries. |
| ORALL: Ohio Regional Association of Law Libraries: A chapter of the American Association of Law Libraries that includes libraries in Ohio, Indiana and Kentucky. |
| State Library of Ohio: Government entity created to maintain and oversee library service in the state. Features statistics, grant information, genealogy information, and state history. |
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