ACL Laboratories, all Illinois locations
Adventist Midwest Health, Bolingbrook, IL
Advocate Good Samaritan Hospital,Downers Grove,IL
Advocate South Suburban Hospital, Hazel Crest, IL
Health Services Systems, Joliet, IL
Hinsdale Hematology, Hinsdale, IL
Loyola University Medical Center, Maywood, IL
Midwest Hematology & Oncology, Joliet, IL
Northwestern Memorial Hospital, Chicago, IL
Provena St. Joseph Medical Center, Joliet, IL
RML Speciality Hospital, Hinsdale, IL
Resurrection Medical Center, Chicago, IL
Rush Presbyterian North Shore Medical Center
Silver Cross Hospital, Joliet, IL
Stritch School of Medicine, Maywood, IL
Tinley Woods Surgical Center, Tinley Park, IL
