| Adler School of Professional Psychology | KDU |
| Advocate Lutheran General Hospital | IBO |
| AHA Resource Center | IHD |
| Alexian Brothers Medical Center | HU6 |
| Alexian Brothers Medical Center | JVD |
| Alexian Brothers Medical Center | BXK |
| Alton Mental Health and Developmental Center | IL4 |
| Alzheimer's Association | IA@ |
| American Academy of Pediatrics | KXN |
| American Association of Nurse Anesthetists | QG3 |
| American College of Surgeons | YD7 |
| American Dental Association | JAA |
| American Dietetic Association Foundation | AP@ |
| American Health Information Management Assoc. | TA8 |
| American Medical Association | AMA |
| American Society of Plastic/Reconstr. Surgeons | YW3 |
| Andrew McFarland Mental Health Center | JB5 |
| Argosy University - Chicago Northwest | GI9 |
| Blessing-Rieman College of Nursing | JOP |
| Boshes Neurosciences Library | BNE |
| BroMenn HealthCare | JAT |
| Carle Foundation Hospital | JPE |
| Central DuPage Hospital Medical Library | JHD |
| CGH Medical Center | LC8 |
| Cherry Hill Resource Library on Disabilities | I9C |
| Chester Mental Health Center | C7H |
| Chicago School of Professional Psychology | JAX |
| Children's Memorial Hospital | JBB |
| Choate Mental Health and Development Center | LC# |
| Christ Hospital & Medical Center | JIL |
| Cook County Hospital | JSJ |
| Copley Memorial Hospital | JPU |
| Decatur Memorial Hospital | JOQ |
| Delnor Community Hospital | JNX |
| Edgewater Medical Center | JSL |
| Edward Hospital | JNY |
| Elgin Mental Health Center | JNZ |
| Elmhurst Memorial Hospital | KAX |
| Evanston Hospital | JSM |
| Finch Univ of Health Sciences/Chicago Medical Sch. | IVH |
| First Health | HT$ |
| Freeport Memorial Hospital | IF4 |
| Galesburg Cottage Hospital | JOD |
| Genesis Medical Center - W. | JWG |
| George A. Zeller Mental Health Center | JXF |
| Glen Oaks Hospital and Medical Center | JOJ |
| Glenbrook Hospital Medical Library | IF3 |
| Good Samaritan Hospital | IB3 |
| Gottlieb Memorial Hospital | JSN |
| Graham Hospital Association | JXG |
| Grant Hospital of Chicago | JHL |
| Highland Park Hospital | JSO |
| Hinsdale Hospital | JWI |
| Holy Cross Hospital | JIR |
| Holy Family Medical Center | HO7 |
| Household International, Inc. | QK5 |
| Illiana Health Care System | IKT |
| Illini Hospital | VCF |
| Illinois College of Optometry | JDR |
| Illinois Early Childhood Intervention | TMF |
| Illinois Masonic Medical Center | JOK |
| Illinois Valley Community Hospital | I8V |
| Ingalls Memorial Hospital | JIT |
| Institute for Psychoanalysis | ZPC |
| Jackson Park Hospital | JIV |
| JFK Health World | U3C |
| Joint Comm. on Accred. of Healthcare Organizations | PJ1 |
| Josselyn Center for Mental Health | QK6 |
| LaGrange Memorial Hospital | JNW |
| Lake Forest Hospital | QG7 |
| Lakeview College of Nursing Library | QX8 |
| Little Company of Mary Hospital | JIX |
| Louis A. Weiss Memorial Hospital | JIG |
| Loyola University, Medical Center | JFU |
| MacNeal Hospital | JBK |
| Marianjoy Rehab Hospital | JOE |
| Memorial Hospital | JOL |
| Memorial Hospital (Carthage) | JGB |
| Memorial Medical Center | JEZ |
| Mercy Hospital & Medical Center | KDI |
| Methodist Medical Center | ISR |
| Michael Reese Hospital | IHA |
| Midwestern University | JFG |
| National University of Health Sciences | JFE |
| Naval Dental Research Institute | QH3 |
| Naval Hospital | QH5 |
| Northern Illinois Library for Mental Health | LC4 |
| Northern Illinos Medical Center | XH8 |
| Northwest Community Hospital | HD4 |
| Northwestern Memorial Hospital | NP013 |
| Northwestern University Medical Library | INM |
| Oak Forest Hospital of Cook County | JWJ |
| Oak Park Hospital | OP2 |
| OSF Saint Francis Medical Center | JCY |
| OSF St. Anthony Medical Center | JHI |
| Our Lady of the Resurrection Medical Center | KAE |
| Palos Community Hospital | JIY |
| Park Ridge Center | P6K |
| Passavant Area Hospital | JHH |
| Prevention First, Inc. (Springfield) | JHM |
| Pritzker Research Library | J1B |
| Proctor Hospital Medical Library | JBX |
| Provena Covenant Medical Center Library | JPD |
| Provena Mercy Center | JOA |
| Provena St. Joseph Medical Center | JHN |
| Provena United Samaritans Medical Center | JPC |
| Psychiatric Institute | JHF |
| Ravenswood Hospital Medical Center Library | UE1 |
| Resurrection Medical Center | JVP |
| Riverside Healthcare Medical Library | JIZ |
| Rockford Memorial Hospital | JHJ |
| Roseland Community Hospital | JNL |
| Rush North Shore Medical Center | RN5 |
| Rush University | IDL |
| Saint Anthony College of Nursing | A7N |
| Saint Anthony's Health Center | IL7 |
| Sarah Bush Lincoln Health Center | JPF |
| Shriners' Hospital | JOH |
| Silver Cross Hospital | JNQ |
| South Suburban Hospital | JNT |
| Southern IL University School of Dental Medicine | IH1 |
| Southern IL Unviersity School of Medicine | IAV |
| St. Anthony's Memorial Hospital | JB6 |
| St. Elizabeth's Hospital | JOO |
| St. Elizabeth's Hospital | ZQ2 |
| St. Francis Hospital | JHR |
| St. Francis Hospital and Health Center | JNO |
| St. Francis Medical Center | JXY |
| St. James Hospital | JNP |
| St. John's Hospital | JDZ |
| St. Joseph Hospital | JOF |
| St. Joseph Hospital & Health Care Ctr. | JDQ |
| St. Mary of Nazareth Hospital Center | JON |
| St. Mary's Hospital | JHZ |
| St. Mary's Hospital | TA9 |
| St. Therese Medical Center | QL3 |
| Swedish American Hospital | JHG |
| Swedish Covenant Hospital | JZG |
| Trinity Medical Center | JWH |
| University Hospital Consortium | JB9 |
| University of Illinois at Chicago Health Sciences | IAX |
| University of Illinois College of Medicine (P) | IF6 |
| University of Illinois College of Medicine (R) | IF7 |
| University of Illinois College of Medicine (U) | IF8 |
| Veteran Affairs Medical Center (Lakeside) | JSP |
| Veterans Administration Medical Center | HYM |
| Veterans Affairs Medical Center (Hines) | JHV |
| Veterans Affairs Medical Center (North Chicago) | BKG |
| Veterans Affairs Medical Center (Westside) | KAR |
| Victory Memorial Hospital | VM2 |
| West Suburban Hospital Medical Center | JCJ |
| Westlake Community Hospital | JHB |
Arranged By Region:
Arranged By Type of Library:
| Academic | Government | ILCSO | School |
| Business & Law | Health Sciences | Public | Theology |