| Greenwich HospitalGreenwich | Form 990 | $591,780,458FY2025 |
| Norwalk Hospital AssociationNorwalk | Form 990 | $439,338,450FY2025 |
| Stamford Health Medical Group IncStamford | Form 990 | $267,602,499FY2025 |
| Hartford Healthcare Medical Group IncWethersfield | Form 990 | $243,367,330FY2025 |
| Connecticut Childrens Specialty Group IncHartford | Form 990 | $190,295,976FY2025 |
| Community Health Center IncorporatedMiddletown | Form 990 | $181,241,894FY2025 |
| Hartford Healthcare at Home IncWethersfield | Form 990 | $153,240,296FY2025 |
| Stamford Health Pharmacy LLCStamford | Form 990 | $133,679,171FY2025 |
| Cornell Scott Hill Health CorporationNew Haven | Form 990 | $114,541,588FY2025 |
| The Jewish Home for the Elderly of Fairfield County IncBridgeport | Form 990 | $78,029,846FY2025 |
| Fair Haven Community Health Clinic IncNew Haven | Form 990 | $77,949,115FY2025 |
| Optimus Health Care IncStratford | Form 990 | $56,209,555FY2025 |
| Planned Parenthood of Southern New England IncNew Haven | Form 990 | $50,503,423FY2025 |
| Connecticut Childrens Foundation IncHartford | Form 990 | $46,656,166FY2025 |
| MHS Primary Care IncMiddletown | Form 990 | $45,209,939FY2025 |
| Griffin Faculty Physicians IncDerby | Form 990 | $43,408,118FY2025 |
| Bristol Hospital Multi-Specialty GroupBristol | Form 990 | $38,322,933FY2024 |
| Staywell Health Care IncWaterbury | Form 990 | $35,995,132FY2025 |
| Masonicare Home Health and Hospice IncWallingford | Form 990 | $34,289,367FY2025 |
| Bhcare IncNorth Haven | Form 990 | $32,649,760FY2025 |
| Connecticut Community Care IncBristol | Form 990 | $26,917,262FY2025 |
| Danbury Hospital & New Milford Hospital Foundation IncDanbury | Form 990 | $26,901,005FY2025 |
| Norwalk Hospital Foundation IncNorwalk | Form 990 | $26,724,361FY2025 |
| Generations Family Health Center IncWillimantic | Form 990 | $25,070,863FY2025 |
| Hartford Healthcare Senior Services IncSouthington | Form 990 | $23,248,912FY2025 |
| Charter Oak Health Center IncHartford | Form 990 | $22,572,241FY2025 |
| First Choice Health Centers IncEast Hartford | Form 990 | $22,543,474FY2025 |
| Day Kimball Medical Group IncPutnam | Form 990 | $21,504,068FY2025 |
| The Mary Wade Home IncorporatedNew Haven | Form 990 | $20,704,268FY2025 |
| Trinity Health of New England Emergency Medical Services IncHartford | Form 990 | $19,105,546FY2025 |
| Ascentria Care Alliance IncSouthbury | Form 990 | $18,658,378FY2025 |
| Community Health Services IncHartford | Form 990 | $17,508,702FY2024 |
| Bishop Wicke Health and Rehabilitation Center IncShelton | Form 990 | $17,276,242FY2025 |
| Saint Josephs Living Center IncWindham | Form 990 | $15,918,846FY2025 |
| Norwalk Community Health Center IncNorwalk | Form 990 | $15,001,345FY2025 |
| Bristol Health Care IncBristol | Form 990 | $14,617,640FY2024 |
| Visiting Nurse & Hospice of Fairfield County IncWilton | Form 990 | $14,533,275FY2025 |
| Bridgeport Hospital Foundation IncBridgeport | Form 990 | $12,894,409FY2025 |
| The Masonic Charity Foundation of Connecticut IncWillington | Form 990 | $12,080,186FY2025 |
| Hebrew Home and Hospital IncWest Hartford | Form 990 | $11,529,185FY2025 |
| Stratford Visiting Nurse Association IncorporatedStratford | Form 990 | $11,509,807FY2025 |
| Visiting Nurse Association of Southeastern Connecticut IncWaterford | Form 990 | $9,938,147FY2025 |
| Stamford Health IncStamford | Form 990 | $8,865,349FY2025 |
| Rett Syndrome Research Trust IncTrumbull | Form 990 | $8,678,380FY2025 |
| Avenir Health IncGlastonbury | Form 990 | $8,523,256FY2024 |
| Home for the Aged of the Little Sisters of the Poor IncorporatedEnfield | Form 990 | $8,422,378FY2025 |
| St Vincents Foundation IncBridgeport | Form 990 | $8,284,051FY2025 |
| Monsignor Bojnowski ManorNew Britain | Form 990 | $8,110,075FY2025 |
| Notre Dame Convalescent Home IncNorwalk | Form 990 | $8,026,306FY2025 |
| Easterseals Capital Region & Eastern Connecticut IncWindsor | Form 990 | $7,003,142FY2025 |