| Library | OCLC Symbol | Jan |
| Arcola Elementary School | A4J | |
| Bismarck Henning Junior High School | BHJHS | |
| Catlin Elementary School | C#D | |
| Chebanse Grade School | C#G | |
| Allerton Public Library, Monticello | CDO | |
| Donovan Elementary School | D9V | |
| Arcola High School | EHO | |
| Glenn Raymond School | G2Y | |
| Chrisman Elementary School | I7U | |
| Chanpaign Centennial High School | I7Y | |
| Champaign Central High | I7Z | 96 |
| Arcola Public Library District | IB | |
| Arthur JR/SR High School | IE1 | |
| Arthur Public Library District | IF | |
| Bement Schools | IG | 21 |
| LTLS | IHI | 14,245 |
| Bement Public Library District | II | |
| Bismarck Henning High School | II1 | |
| Camargo Township District Library | IK1 | |
| Champaign Public | IKG | 1,175 |
| Casey Township Library | IL | |
| Krannert Art Museum | ILKAM | |
| North Ward Elem School | ILNWE | |
| St. Joseph Middle School | ILSJO | |
| High School of Saint Thomas More, Champaign | ILSTT | |
| Casey-Westfield Community Unit School District C-4 | IM1 | |
| Catlin High School | IO | |
| Catlin Public Library District | IO1 | |
| Central Citizens' Library District | IQO | |
| Arthur Elementary School | IU9 | |
| Charleston Carnegie Public Library | IV | |
| Charleston High School | IW | |
| Chrisman Public Library | IX | |
| Cissna Park Community Library District | IX1 | |
| Chrisman High School Library | IY1 | |
| Deland-Weldon Schools | JC5 | |
| Donovan Junior/Sr High School Library | JC6 | |
| Elwood Township Library | JC7 | |
| Tuscola School District | JHT | |
| Danville Public Library | JPI | |
| Georgetown Public Library | JU1 | |
| Gilman-Danforth District Library | JW | |
| Goose Creek Township - Carnegie Library | JW1 | |
| Hoopeston Public | JY | 2, 017 |
| Watseka, Iroquois County Community Unit School District #9 | LU1 | |
| Kansas Community Memorial Library | LV1 | |
| Kansas Schools | LW | |
| Marshall High School Library | LX | |
| Marshall Public Library | LX1 | |
| Monroe School - Casey | M#J | |
| Marshall Junior High School | M#Z | 1 |
| Marshall South Elem School | M$B | |
| Marshall North Elem School | M$D | |
| Mattoon Middle School | M$J | |
| Paris High School - Mayo Middle School | M$W | |
| Martinsville Public Library District | MF | |
| Mattoon Senior High School | MF1 | |
| Mattoon Public Library | MG | 5,233 |
| Milford District Library | MH | |
| Moyer District Library | MI | |
| Monticello High School | MI1 | |
| Newman Regional Library District | MJ1 | 219 |
| Newman Grade School | ML | |
| Oakwood Public Library | MM1 | |
| Ogden Rose Public Library | MN | |
| Onarga Community Public Library District | MN1 | |
| PARIS CARNEGIE PUB LIBR | MO | 74 |
| Monticello Middle School | MOMSC | |
| Paxton Carnegie Library | MP | |
| Paris High School - Mayo Middle School | MP1 | |
| Roe Schoolworks | MR$ | |
| Urbana Free | MR | 1 |
| Milford Grade School | MT$ | |
| Watseka Public Library | MT | |
| Westville High School | MV | |
| Westville Public Library | MW | |
| Willow Branch Township Library | MW1 | |
| Philo Public Library District | NE | |
| Piper City Public Library | NE1 | |
| Rantoul Public Library | NF1 | |
| Sheldon Public Library District | NH1 | |
| Sidney Community Library | NJ1 | |
| St. Joseph Elementary School | NK | |
| Saint Joseph-Ogden High School | NL | |
| Tolono Public Library District | NL1 | 1,516 |
| Tuscola Public Library | NM | |
| Martinsville Junior/Senior High School | OB$ | |
| Armstrong Twp. HS | OB@ | |
| East Prairie Elementary School | P9E | |
| Lake Land College | QX7 | 683 |
| Lakeview College of Nursing | QX8 | |
| Casey Westfield Junior High | R4X | |
| Shiloh High School Library | S I | |
| Illinois Early Childhood Intervention | TMF | 1,932 |
| Unity East Elementary School | UEEIL | |
| Unity High School | UNIHI | |
| Unity Junior High School | UNIJR | |
| Unity West Elementary School | UWEIL | |
| Villa Grove School | V6G | |
| Clifton Public Library | V7L | |
| White Heath Elementary School | W25 | |
| Washington Elementary School | W39 |