| CENTRAL DUPAGE HOSPITAL ASSOCIATION | $849,053,703 | $664,671,192 |
| ADVOCATE NORTH SIDE HEALTH NETWORK | $776,216,592 | $659,483,308 |
| OSF MULTI-SPECIALTY GROUP | $364,183,670 | $654,711,316 |
| LINE CONSTRUCTION BENEFIT FUND | $745,010,038 | $648,083,173 |
| EDWARD HOSPITAL | $665,834,109 | $644,597,453 |
| SWEDISHAMERICAN HOSPITAL | $637,025,862 | $627,676,366 |
| BLUE CROSS BLUE SHIELD ASSOCIATION | $606,168,219 | $602,641,023 |
| ST JOHNS HOSPITAL OF THE HOSPITAL SISTERS OF THE THIRD ORDER OF ST FRANCIS | $574,276,187 | $585,713,969 |
| ADVENTIST MIDWEST HEALTH | $561,690,210 | $574,383,485 |
| FAMILY HEALTH NETWORK | $549,602,132 | $573,192,385 |
| SOUTHERN ILLINOIS HOSPITAL SERVICES | $641,120,784 | $563,895,075 |
| NORTHSHORE UNIVERSITY HEALTHSYSTEM FACULTY PRACTICE ASSOCIATES | $576,978,498 | $561,682,476 |
| NORTHWEST COMMUNITY HOSPITAL | $544,294,060 | $511,894,525 |
| SAFEWAY INC WELFARE BENEFIT TR | $500,055,601 | $500,863,586 |
| EXELON CORPORATION EMPLOYEES BENEFIT TRUST | $497,549,343 | $488,440,038 |
| FERMI RESEARCH ALLIANCE LLC | $478,201,204 | $475,835,159 |
| ELMHURST MEMORIAL HEALTHCARE GROUP | $530,014,101 | $475,501,051 |
| NORTHERN ILLINOIS MEDICAL CENTER | $482,963,096 | $462,660,942 |
| ALLIANT CREDIT UNION | $514,950,827 | $460,962,900 |
| ADVOCATE CONDELL MEDICAL CENTER | $485,484,189 | $435,332,527 |
| PALOS COMMUNITY HOSPITAL | $418,220,907 | $433,876,135 |
| ADVOCATE SHERMAN HOSPITAL | $465,854,287 | $431,085,007 |
| METHODIST MEDICAL CENTER OF ILLINOIS | $406,940,541 | $422,487,617 |
| CARLE HEALTH CARE INCORPORATED | $299,446,222 | $403,874,882 |
| SCHLUMBERGER GROUP HEALTH CARE TRUST | $402,319,416 | $403,066,267 |