| Site | 5-Character Code | Contact |
| University of Akron | ak2ug | Karen Plummer kplumme@uakron.edu |
| Ashland University | as2ug | Sue Ellen Ronk sronk@ashland.edu |
| Belmont Technical College | be4tg | Joyce Baker jbaker@belmont.cc.oh.us |
| Bowling Green State University | bg1ug | Cliff Glaviano jglavia@bgnet.bgsu.edu |
| Case Western Reserve University | ca2ug | Terry O'Malley tjo2@po.cwru.edu |
| Cincinnati Christian University | cb3bg | Scott Lloyd scott.lloyd@ccuniversity.edu |
| Cuyahoga County Public library | cc2pl | Louise Sevold lsevold@cuyahoga.lib.oh.us |
| Cuyahoga Community College | cc2tg | Laverne Jenkins laverne.jenkins@tri-c.edu |
| Cedarville College | cd3bg | Linda Anne Divan divanl@cedarville.edu |
| Central State University | ce3ug | Wonki Nam wnam@csu.ces.edu |
| University of Cincinnati | ci3ug | Jeff Crawford jeff.crawford@uc.edu |
| Clark State Community College | cl3tg | Melissa Hunter hunterm@clark.cc.oh.us |
| Columbus State Community College | co4tg | Laurinda Gruber lgruber@cscc.edu |
| Capital University | cp4ug | Steve Long slong@capital.edu. |
| Center for Research Libraries | cr0zz | Mary Wilke wilke@crlmail.uchicago.edu |
| Cleveland State University | cs2ug | Barbara Strauss b.strauss@csuohio.edu |
| Cincinnati State Tech. & Comm. College | ct3tg | Traci Stivers Tracey.Stivers@Cincinnatistate.edu |
| University of Dayton | da3ug | Emily Hicks Emily.Hicks@notes.udayton.edu |
| Myers University | dm2ug | Richard Brhel rbrhel@dnmyers.edu |
| Edison State Community College | ed3tg | Darlene Cardinal
Cardinal@edisonohio.edu Debby Thrasher thrasher@edisonohio.edu |
| CONSORT Colleges | fc2bg | Margo Warner Curl mcurl@wooster.edu |
| Franklin University | fr4ug | Tiffany Hampel hampelt@franklin.edu |
| Hiram College | hi2bg | Olivia (Roseanne) Factor factoros@hiram.edu |
| Hocking College | ho4tg | Carrie Ator-James james_c@hocking.edu |
| John Carroll University | jc2ug | Ruth Connell connell@jcu.edu |
| Jefferson Community College | je2tg | Lois Rekowski lrekowsk@jefferson.tec.oh.us |
| Kent State University | ke2ug | Amey Park ameyp@lms.kent.edu |
| Lakeland Community College | la2tg | Michelle Rossman mrossman@lakelandcc.edu |
| Lorain County Community College | lo2tg | Jill Brophy jbrophy@lorainccc.edu |
| Marietta College | ma4bg | Angla Burdiss burdissa@marietta.edu |
| College of Mount St. Joseph | mo3bg | Julie Flanders Julie_Flanders@mail.msj.edu |
| Miami University | mu3ug | Deb Farler dfarler@miamilink.lib.muohio.edu |
| Mount Vernon Nazarene College | mv4bg | Amanda Flower aflower@mvnu.edu |
| Notre Dame College | nd2bg | Karen Zoller kzoller@ndc.edu |
| NEOUCOM | ne2mh | Lisa Plymale lma@neoucom.edu |
| Northwest State Community College | no1tg | Sheila Collins sheilaco@nscc.cc.oh.us |
| University of Northwestern Ohio |
nw1bg | Georgena Nanson gnanson@unoh.edu |
| Oberlin College | ob2bg | John Sluk john.m.sluk@oberlin.edu |
| Ohio Christian University | oc4bg | David Tipton dtipton@ohiochristian.edu |
| Ohio Dominican University | od4bg | Matilda Davis-Northrup davisnom@ohiodominican.edu |
| Ohio Northern University | on1ug | Alice Essinger a-essinger@onu.edu |
| OPAL Libraries | op4bg | Matt Polcyn mattp@ohionet.org |
| Ohio State University | os4ug | Melanie McGurr mcgurr.2@osu.edu |
| Ohio University | ou4ug | Carrie Preston prestonc@ohio.edu |
| Owens Community College | ow1tg | Tom Sink tsink@owens.cc.oh.us |
| Rio Grande Comm. Col./U. of Rio Grande | ri4tg | J. David Mauer dmauer@urgrgcc.edu |
| Shawnee State University | sh4ug | Joan Scott jscott@shawnee.edu |
| Sinclair Community College | si3tg | Jeff Heard Jeffrey.Heard@sinclair.edu |
| State Library of Ohio | sl4gg | Kathy Hughes khughes@sloma.state.oh.us |
| Saint Mary Seminary | sm2ug | Alan Rome akrome@dioceseofcleveland.org |
| Southern State Community College | so3tg | Louis Mays lmays@sscc.edu |
| Terra Community College | te1tg | Mary Broestl mbroestl@terra.edu |
| University of Toledo | to1ug | Janine Reber JReber@UTNet.UToledo.Edu |
| Ursuline College | ur2bg | Sheila Randel srandel@ursuline.edu |
| Westerville Public Library | we4pl | Kristen Hewitt hewittk@westervillelibrary.org |
| Washington State Community College | wa4tg | Lura Wilcoxen lwilcoxen@wscc.edu |
| Wright State University | ws3ug | Marty Jenkins martin.jenkins@wright.edu |
| Wittenberg University | wt3ug | Suzanne Smailes ssmailes@wittenberg.edu |
| Xavier University | xa3ug | Michelle Early early@xavier.xu.edu |
| Youngstown State University | ys2ug | Jeffrey Trimble jtrimble@cc.ysu.edu |