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Nonprofiteer

Lists Largest by total revenue

Largest nonprofits in Connecticut by total revenue

Organizations whose address on record is in Connecticut, ranked by the total revenue on each one's most recent Form 990, 990-EZ or 990-PF that reports it, as filed. Tax years differ from row to row: each is that organization's latest such return. An amended return is counted once, replaced by its amendment.

Not every nonprofit can appear. Churches and most religious congregations are not required to file a 990, and organizations with gross receipts normally under $50,000 file the 990-N postcard, which reports no revenue.

Computed 2 November 2026.

Ranking

Organizations in Connecticut, ranked by total revenue on their latest return
Rank Organization Tax year Total revenue
1 YALE UNIVERSITY NEW HAVEN, CT 2023 $6,841,256,079
2 YALE NEW HAVEN HOSPITAL NEW HAVEN, CT 2024 $4,883,266,662
3 HARTFORD HOSPITAL HARTFORD, CT 2024 $2,936,696,079
4 KNIGHTS OF COLUMBUS NEW HAVEN, CT 2024 $2,757,321,043
5 BOEHRINGER INGELHEIM CARES FOUNDATION INC RIDGEFIELD, CT 2025 $2,057,266,961
6 AMERICARES FOUNDATION INC STAMFORD, CT 2023 $1,998,093,447
7 PETER AND CARMEN LUCIA BUCK FOUNDATION INC MYSTIC, CT 2024 $1,918,181,862
8 YALE NEW HAVEN HEALTH SERVICES CORPORATION NEW HAVEN, CT 2024 $1,157,413,267
9 SAINT FRANCIS HOSPITAL AND MEDICAL CENTER HARTFORD, CT 2024 $989,157,513
10 DANBURY HOSPITAL DANBURY, CT 2024 $943,179,862
11 BRIDGEPORT HOSPITAL BRIDGEPORT, CT 2024 $925,337,466
12 SAVE THE CHILDREN FEDERATION INC FAIRFIELD, CT 2024 $920,455,828
13 GENERAL ELECTRIC COMPANY INSURANCE PLAN TRUST CO V A DIAMANTE NORWALK, CT 2024 $913,945,910
14 STAMFORD HOSPITAL STAMFORD, CT 2024 $908,887,549
15 HOSPITAL OF CENTRAL CONNECTICUT AT NEW BRITAIN GENERAL AND BRADLEY ME NEW BRITAIN, CT 2024 $813,961,965
16 DALIO FAMILY FUND INC WESTPORT, CT 2024 $806,892,040
17 HARTFORD HEALTHCARE MEDICAL GROUP SPECIALISTS PLLC WETHERSFIELD, CT 2024 $771,555,785
18 NORTHEAST MEDICAL GROUP INC STRATFORD, CT 2024 $724,565,068
19 HARTFORD HEALTH CARE CORPORATION HARTFORD, CT 2024 $714,767,257
20 SVMC HOLDINGS INC BRIDGEPORT, CT 2024 $707,034,879
21 QUINNIPIAC UNIVERSITY HAMDEN, CT 2024 $658,577,859
22 CONNECTICUT CHILDRENS MEDICAL CENTER HARTFORD, CT 2024 $639,591,217
23 WILLIAM W BACKUS HOSPITAL NORWICH, CT 2024 $630,733,409
24 GREENWICH HOSPITAL GREENWICH, CT 2024 $591,780,458
25 MIDDLESEX HOSPITAL MIDDLETOWN, CT 2024 $562,648,390
26 SACRED HEART UNIVERSITY FAIRFIELD, CT 2023 $539,970,186
27 LAWRENCE AND MEMORIAL HOSPITAL INC NEW LONDON, CT 2024 $533,941,525
28 FAIRFIELD UNIVERSITY FAIRFIELD, CT 2023 $489,308,458
29 MIDSTATE MEDICAL CENTER MERIDEN, CT 2024 $477,938,120
30 NUVANCE HEALTH MEDICAL PRACTICE CT INC DANBURY, CT 2024 $456,596,999
31 ZOOM FOUNDATION GREENWICH, CT 2024 $450,447,052
32 WESLEYAN UNIVERSITY MIDDLETOWN, CT 2023 $448,995,000
33 NORWALK HOSPITAL ASSOCIATION NORWALK, CT 2024 $439,338,450
34 UNIVERSITY OF NEW HAVEN WEST HAVEN, CT 2024 $392,215,175
35 SAINT MARYS HOSPITAL INC HARTFORD, CT 2024 $374,354,376
36 THE MERCY HOSPITAL INC HARTFORD, CT 2024 $333,936,584
37 UNIVERSITY OF HARTFORD WEST HARTFORD, CT 2023 $287,482,942
38 TRINITY COLLEGE HARTFORD, CT 2024 $281,005,704
39 THE GRIFFIN HOSPITAL DERBY, CT 2024 $273,659,100
40 TRINITY HEALTH OF NEW ENGLAND PROVIDER NETWORK ORGANIZATION INC HARTFORD, CT 2024 $273,364,186
41 STAMFORD HEALTH MEDICAL GROUP INC STAMFORD, CT 2024 $267,602,499
42 HARTFORD HEALTHCARE MEDICAL GROUP INC WETHERSFIELD, CT 2024 $243,367,330
43 CHARLOTTE HUNGERFORD HOSPITAL TORRINGTON, CT 2024 $224,723,970
44 CONNECTICUT COLLEGE NEW LONDON, CT 2023 $191,785,000
45 CONNECTICUT CHILDRENS SPECIALTY GROUP INC HARTFORD, CT 2024 $190,295,976
46 ACHIEVEMENT FIRST BROOKLYN CHARTER SCHOOLS NEW HAVEN, CT 2024 $187,217,445
47 COMMUNITY HEALTH CENTER INCORPORATED MIDDLETOWN, CT 2023 $179,457,728
48 AREA COOPERATIVE EDUCATIONAL SERVICES NEW HAVEN, CT 2024 $176,770,995
49 TRINITY HEALTH OF NEW ENGLAND CORPORATION INC HARTFORD, CT 2024 $175,906,147
50 COMMON FUND FOR NON-PROFIT ORGANIZATIONS WILTON, CT 2023 $173,624,993
51 BRISTOL HOSPITAL INCORPORATED BRISTOL, CT 2022 $161,815,281
52 HARTFORD HEALTHCARE AT HOME INC WETHERSFIELD, CT 2024 $153,240,296
53 COORDINATED TRANSPORTATION SOLUTIONS INC TRUMBULL, CT 2024 $152,911,126
54 UFCW AND PARTICIPATING EMPLOYERS NEW ENGLAND HEALTH FUND WESTPORT, CT 2024 $151,860,719
55 GREATER HARTFORD GIVES FOUNDATION HARTFORD, CT 2024 $144,403,277
56 TRI STATE JOINT FUND CHESHIRE, CT 2023 $142,988,717
57 STEVEN & ALEXANDRA COHEN FOUNDATION INC STAMFORD, CT 2024 $142,192,267
58 HOSPITAL FOR SPECIAL CARE NEW BRITAIN, CT 2024 $140,504,354
59 GREENWICH COUNTRY DAY SCHOOL INC GREENWICH, CT 2024 $139,744,713
60 UNIVERSITY OF CONNECTICUT FOUNDATION INCORPORATED STORRS, CT 2024 $139,327,144
61 LOOMIS INSTITUTE WINDSOR, CT 2023 $137,874,508
62 DAY KIMBALL HEALTHCARE INC PUTNAM, CT 2024 $136,549,242
63 STAMFORD HEALTH PHARMACY LLC STAMFORD, CT 2024 $133,679,171
64 ALEXION ACCESS FOUNDATION NEW HAVEN, CT 2025 $131,858,380
65 CONNECTICUT FOODSHARE INC WALLINGFORD, CT 2024 $128,745,294
66 WINDHAM COMMUNITY MEMORIAL HOSPITAL INC WILLIMANTIC, CT 2024 $127,830,009
67 LMW HEALTHCARE INC NEW LONDON, CT 2024 $127,386,402
68 AMERICAN EAGLE FINANCIAL CREDIT UNION INCORPORATED EAST HARTFORD, CT 2024 $127,109,502
69 HOTCHKISS SCHOOL LAKEVILLE, CT 2024 $126,383,221
70 THE UNIVERSITY OF BRIDGEPORT INC EAST HARTFORD, CT 2023 $124,030,527
71 TAFT SCHOOL CORPORATION WATERTOWN, CT 2024 $122,752,450
72 CW RESOURCES INC NEW BRITAIN, CT 2023 $118,207,898
73 THE CONNECTICUT INSTITUTE FOR THE BLIND INC HARTFORD, CT 2024 $116,081,684
74 YALE UNIVERSITY RETIREE HEALTH BENEFITS COVERAGE TR NEW HAVEN, CT 2024 $114,920,915
75 CORNELL SCOTT HILL HEALTH CORPORATION NEW HAVEN, CT 2024 $114,541,588
76 CHARITYVEST INC FAIRFIELD, CT 2024 $113,380,722
77 GAYLORD HOSPITAL INC WALLINGFORD, CT 2024 $105,659,377
78 ITHURIEL FUND OLD GREENWICH, CT 2025 $102,328,070
79 WHEELER CLINIC INC PLAINVILLE, CT 2024 $102,120,576
80 NEW ENGLAND ELECTRICAL WORKERS BENEFIT FUND MERIDEN, CT 2023 $100,967,517
81 BERKLEY FOUNDATION FOR HISTORICAL BOOKS AND DOCUMENTS GREENWICH, CT 2024 $100,005,000
82 CHOATE ROSEMARY HALL FOUNDATION INCORPORATED WALLINGFORD, CT 2024 $99,339,717
83 UNIVERSITY OF SAINT JOSEPH WEST HARTFORD, CT 2023 $98,069,635
84 BRUNSWICK SCHOOL INC GREENWICH, CT 2024 $95,285,151
85 RIVERBEND MEDICAL GROUP INC HARTFORD, CT 2023 $92,819,947
86 CONNECTICUT STATE EMPLOYEES CREDIT UNION INC HARTFORD, CT 2025 $92,698,522
87 KNIGHTS OF COLUMBUS CHARITABLE FUND INC NEW HAVEN, CT 2024 $85,542,892
88 FOOD RESCUE US INC STAMFORD, CT 2025 $84,303,846
89 COMMUNITY HEALTH NETWORK OF CONNECTICUT INC WALLINGFORD, CT 2023 $82,616,501
90 COMMUNITY HEALTH RESOURCES INC WINDSOR, CT 2024 $82,502,473
91 INTERNATIONAL UNION OF OPERATING ENGINEERS WELFARE FUND 478 HAMDEN, CT 2024 $81,911,055
92 HARTFORD HEALTHCARE ENDOWMENT LLC HARTFORD, CT 2024 $80,256,351
93 DALIO FOUNDATION INC WESTPORT, CT 2024 $80,032,761
94 JOHNSON MEMORIAL HOSPITAL INC HARTFORD, CT 2024 $79,160,080
95 THE JEWISH HOME FOR THE ELDERLY OF FAIRFIELD COUNTY INC BRIDGEPORT, CT 2024 $78,029,846
96 CAPITAL AREA HEALTH CONSORTIUM INC FARMINGTON, CT 2024 $75,067,977
97 FINANCIAL ACCOUNTING FOUNDATION NORWALK, CT 2025 $74,918,586
98 GREENWICH ACADEMY INC GREENWICH, CT 2023 $73,977,265
99 SIKORSKY FINANCIAL CREDIT UNION INC STRATFORD, CT 2025 $73,084,443
100 JOHN AND MARY PAPPAJOHN FAMILY FOUNDATION STAMFORD, CT 2024 $72,175,153