More than 1,800 organizations are using the CIRB for their NCI-funded clinical trials aimed at preventing and treating cancer. These organizations consist of over 500 Signatory Institutions and their Component and Affiliate Institutions.
Below is the list of all the Signatory Institutions.
| # | Institution | City | State Sort descending |
|---|---|---|---|
| 1 | Providence Health & Services Washington DBA Providence Health & Services Alaska | Anchorage | Alaska |
| 2 | Mobile Infirmary Association | Mobile | Alabama |
| 3 | University of South Alabama | Mobile | Alabama |
| 4 | DCH Regional Medical Center | Tuscaloosa | Alabama |
| 5 | University of Alabama at Birmingham | Birmingham | Alabama |
| 6 | Birmingham VA Medical Center | Birmingham | Alabama |
| 7 | Southern Cancer Center PC | Mobile | Alabama |
| 8 | Arkansas Children's Hospital Research Institute | Little Rock | Arkansas |
| 9 | University of Arkansas for Medical Sciences | Little Rock | Arkansas |
| 10 | Central Arkansas Veterans Healthcare System | Little Rock | Arkansas |
| 11 | Highlands Oncology Group | Fayetteville | Arkansas |
| 12 | Phoenix Children's Hospital | Phoenix | Arizona |
| 13 | Scottsdale Medical Imaging | Scottsdale | Arizona |
| 14 | Arizona Center for Cancer Care | Peoria | Arizona |
| 15 | Valleywise Health | Phoenix | Arizona |
| 16 | Banner Health/Banner Research | Mesa | Arizona |
| 17 | CTCA - Western Regional Medical Center Inc | Goodyear | Arizona |
| 18 | University of Arizona | Tucson | Arizona |
| 19 | Presbyterian Intercommunity Hospital/PIH Health Hosptial | Whittier | California |
| 20 | VA Long Beach Healthcare System | Long Beach | California |
| 21 | Saint Helena Hospital | St. Helena | California |
| 22 | Pomona Valley Hospital Medical Center | Pomona | California |
| 23 | Leland Stanford Junior University | Stanford | California |
| 24 | Providence St. Joseph Health - St. Joseph Hospital | Irvine | California |
| 25 | Fresno Community Hospital and Medical Center dba Community Medical Centers | Fresno | California |