- Abbott Laboratories
- Abbvie
- ACMS Nuclear Medicine
- Advocate BroMenn Medical Center
- Advocate Christ Medical Center
- Advocate Good Shepard
- Advocate Hospital-Aurora
- Advocate Illinois Masonic Medical Center
- Advocate Trinity Hospital
- American Pediatrics
- Argonne National Laboratories
- Baxter
- Blessing Hospital
- Blue Cross Blue Shield
- Cancer Treatment Center of Zion
- Carle Foundation
- Centegra Hospital Huntley
- Delnor-Community Hospital
- DuPage Medical
- Edward Hospital
- Elkhart Hospital
- Evanston Hospital
- Fermilab
- Fransican St. James Health
- GE Healthcare
- Good Samaritan Hospital
- Highland Park Hospital
- Hines VA Hospital
- ICU Medical
- Kishwaukee Hospital
- Lake Forest Hospital
- Lovell Federal Health Care Center
- Loyola University Medical Center
- Lurie Children's Hospital Chicago
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- Lutheran General
- MacNeal Hospital
- Marionjoy Medical Group
- Memorial Medical Center Springfield IL
- Mercy Health Center
- Mondial River West Apartments
- Morton Grove Pharmaceutical
- Mt. Sinai Hospital
- Nabisco
- New Janney Technical Center
- Northshore University HealthSystem
- Northside Hospital Forsyth
- Northwestern Lake Forest
- Northwestern Memorial Hospital
- OSF Healthcare
- Paoli Hospital
- Pekin High School
- Perry Memorial Hospital
- Porter County Hospital
- Prentice Woman's Hospital
- Presence Resurrection Medical Center
- Rehab Institute of Chicago
- Rush Copley
- Rush University Medical Center
- Silver Cross Hospital
- Skokie Hospital
- St. Alexius Medical Center
- St. Anthony Hospital
- St. Joseph Medical Center
- St. Mary Hospital
- Stroger Hospital
- Swedish Covenant
- Taylorville Memorial Hospital
- Tempus Lab
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