Institutions
| Institution Sort descending | Type | NCI Code | City | State | Status | Level | SWOG Inst # | E Inst # | DM Inst # |
|---|---|---|---|---|---|---|---|---|---|
| West Michigan Cancer Center | NCORP | MI080 | Kalamazoo | MI | Active | 2 | 21884 | 9007 | 9007 |
| West Suburban Medical Center/River Forest Campus | Affiliate | IL205 | River Forest | IL | Active | 2 | 18057 | 10080 | |
| Western Illinois Cancer Treatment Center | NCORP | IL140 | Galesburg | IL | Active | 2 | 22038 | 10211 | 10211 |
| Wilcox Memorial Hospital & Kauai Medical Clinic | NCORP | HI014 | Lihue | HI | Active | 3 | 14465 | 15979 | 10781 |
| Winchester Hospital | Main (LAPS / NonLAPS) | MA096 | Winchester | MA | Active | 2 | 24830 | 16037 | 16037 |
| Woodland Memorial Hospital | NCORP | CA366 | Woodland | CA | Active | 3 | 10906 | 33137 | 23777 |