Nonprofits in Connecticut

Browse and explore nonprofit organizations in Connecticut

100 organizations
Connecticut is home to 4,119 nonprofit organizations with publicly available IRS Form 990 data. Together, these organizations report a combined annual revenue of $38.7 billion, reflecting the scale and economic impact of the nonprofit sector in Connecticut. The largest nonprofit by revenue is Yale University, reporting $6.8 billion in its most recent Form 990 filing. Use the rankings and directory below to explore nonprofits in Connecticut by revenue, city, or founding year.
Top Nonprofits by Revenue
# Organization Revenue Assets
1 Yale University
EIN: 060646973 · New Haven, CT
$6.8B $55.2B
2 YALE NEW HAVEN HOSPITAL
EIN: 060646652 · NEW HAVEN, CT
$4.6B $5.4B
3 Hartford Hospital
EIN: 060646668 · Hartford, CT
$2.7B $2.8B
4 KNIGHTS OF COLUMBUS
EIN: 060416470 · NEW HAVEN, CT
$2.5B $30.3B
5 AMERICARES FOUNDATION INC
EIN: 061008595 · STAMFORD, CT
$1.6B $380.2M
6 GENERAL ELECTRIC INSURANCE PLAN TRUST
EIN: 510169382 · NORWALK, CT
$1.2B $20.0M
7 YALE NEW HAVEN HEALTH SERVICES CORPORATION
EIN: 222529464 · NEW HAVEN, CT
$1.1B $3.5B
8 Save The Children Federation Inc
EIN: 060726487 · FAIRFIELD, CT
$920.5M $548.8M
9 BRIDGEPORT HOSPITAL
EIN: 060646554 · BRIDGEPORT, CT
$910.0M $691.4M
10 The Danbury Hospital
EIN: 060646597 · DANBURY, CT
$903.8M $905.8M
11 SAINT FRANCIS HOSPITAL AND MEDICAL CENTER
EIN: 060646813 · HARTFORD, CT
$876.8M $742.8M
12 The Stamford Hospital
EIN: 060646917 · STAMFORD, CT
$852.4M $1.3B
13 DALIO FAMILY FUND INC
EIN: 831575536 · WESTPORT, CT
$806.9M $4.0B
14 The Hospital of Central Connecticut
EIN: 060646768 · New Britain, CT
$776.5M $839.1M
15 Hartford HealthCare Corporation
EIN: 222672834 · Hartford, CT
$707.6M $3.4B
16 Hartford HealthCare Medical Group Specialists PLLC
EIN: 371911194 · Wethersfield, CT
$694.9M $158.7M
17 QUINNIPIAC UNIVERSITY
EIN: 060646701 · HAMDEN, CT
$658.6M $2.1B
18 NORTHEAST MEDICAL GROUP INC
EIN: 061330992 · STRATFORD, CT
$647.0M $117.8M
19 SVMC Holdings Inc
EIN: 832550272 · Bridgeport, CT
$637.9M $372.9M
20 CONNECTICUT CHILDREN'S MEDICAL CENTER
EIN: 060646755 · HARTFORD, CT
$637.6M $1.0B
21 The William W Backus Hospital
EIN: 060250773 · Norwich, CT
$585.2M $990.1M
22 GREENWICH HOSPITAL
EIN: 060646659 · GREENWICH, CT
$575.8M $872.5M
23 SACRED HEART UNIVERSITY INCORPORATED
EIN: 060776644 · FAIRFIELD, CT
$540.0M $1.5B
24 MIDDLESEX HOSPITAL
EIN: 060646718 · MIDDLETOWN, CT
$539.7M $614.1M
25 LAWRENCE MEMORIAL HOSPITAL INC
EIN: 060646704 · NEW LONDON, CT
$501.4M $427.0M
26 Fairfield University
EIN: 060646623 · FAIRFIELD, CT
$489.3M $1.2B
27 Midstate Medical Center
EIN: 060646715 · Meriden, CT
$443.4M $517.2M
28 The Norwalk Hospital Association
EIN: 066068853 · NORWALK, CT
$433.1M $693.8M
29 Nuvance Health Medical Practice CT Inc
EIN: 061137531 · Danbury, CT
$423.7M $195.9M
30 St Vincent's Medical Center
EIN: 060646886 · Bridgeport, CT
$414.3M $233.9M
31 University of New Haven
EIN: 060761704 · West Haven, CT
$392.2M $461.1M
32 SAINT MARY'S HOSPITAL INC
EIN: 060646844 · HARTFORD, CT
$355.8M $221.9M
33 THE MERCY HOSPITAL INC
EIN: 043398280 · HARTFORD, CT
$333.9M $130.8M
34 TRINITY HEALTH OF NEW ENGLAND PROVIDER NETWORK ORGANIZATION INC
EIN: 061450168 · HARTFORD, CT
$290.1M $34.7M
35 WESLEYAN UNIVERSITY
EIN: 060646959 · MIDDLETOWN, CT
$289.4M $2.4B
36 TRINITY COLLEGE
EIN: 060646927 · HARTFORD, CT
$281.0M $1.3B
37 UNIVERSITY OF HARTFORD
EIN: 060731360 · WEST HARTFORD, CT
$269.3M $426.3M
38 GRIFFIN HOSPITAL
EIN: 060647014 · DERBY, CT
$268.3M $209.3M
39 Stamford Health Medical Group Inc
EIN: 271648289 · STAMFORD, CT
$251.5M $79.6M
40 Hartford HealthCare Medical Group Inc
EIN: 454456939 · Wethersfield, CT
$223.7M $147.7M
41 The Charlotte Hungerford Hospital
EIN: 060646678 · Torrington, CT
$217.0M $207.2M
42 TRINITY HEALTH OF NEW ENGLAND CORPORATION INC
EIN: 061491191 · HARTFORD, CT
$205.4M $548.3M
43 CONNECTICUT COLLEGE
EIN: 060646587 · NEW LONDON, CT
$191.8M $755.0M
44 ACHIEVEMENT FIRST BROOKLYN CHARTER SCHOOLS C/O ACHIEVEMENT FIRST INC
EIN: 205118947 · NEW HAVEN, CT
$187.2M $169.5M
45 COMMUNITY HEALTH CENTER INC
EIN: 060897105 · MIDDLETOWN, CT
$179.5M $124.5M
46 AREA COOPERATIVE EDUCATIONAL SERVICES
EIN: 060881700 · New Haven, CT
$176.8M $285.3M
47 BRISTOL HOSPITAL INC
EIN: 060646559 · BRISTOL, CT
$175.2M $106.0M
48 THE COMMON FUND FOR NONPROFIT ORGANIZATIONS
EIN: 237037968 · WILTON, CT
$173.6M $3.6B
49 CONNECTICUT CHILDREN'S SPECIALTY GROUP INC
EIN: 061446900 · HARTFORD, CT
$170.5M $39.9M
50 COORDINATED TRANSPORTATION SOLUTIONS INC
EIN: 061496806 · TRUMBULL, CT
$152.9M $20.3M
51 UFCW AND PARTICIPATING EMPLOYERS NEW ENGLAND HEALTH FUND
EIN: 066069081 · WESTPORT, CT
$151.9M $87.8M
52 Hartford HealthCare at Home Inc
EIN: 060646938 · Wethersfield, CT
$147.4M $109.9M
53 TRI-STATE JOINT FUND
EIN: 060850110 · CHESHIRE, CT
$143.0M $37.9M
54 Hospital For Special Care
EIN: 060646766 · New Britain, CT
$140.5M $183.5M
55 GREENWICH COUNTRY DAY SCHOOL INC
EIN: 060646657 · GREENWICH, CT
$139.7M $457.4M
56 THE UNIVERSITY OF CONNECTICUT FOUNDATION INC
EIN: 066070722 · STORRS, CT
$139.3M $951.5M
57 THE LOOMIS INSTITUTE D/B/A THE LOOMIS CHAFFEE SCHOOL
EIN: 060653119 · WINDSOR, CT
$137.9M $540.6M
58 LMW HEALTHCARE INC
EIN: 460543230 · NEW LONDON, CT
$135.6M $95.4M
59 Day Kimball Healthcare Inc
EIN: 060646599 · Putnam, CT
$128.7M $75.0M
60 THE UNIVERSITY OF BRIDGEPORT INC
EIN: 861274088 · BRIDGEPORT, CT
$127.2M $62.0M
61 AMERICAN EAGLE FINANCIAL CREDIT UNION
EIN: 472559616 · EAST HARTFORD, CT
$127.1M $2.6B
62 THE HOTCHKISS SCHOOL
EIN: 060647018 · LAKEVILLE, CT
$126.4M $924.4M
63 THE TAFT SCHOOL CORPORATION
EIN: 060646921 · WATERTOWN, CT
$122.8M $530.6M
64 Windham Community Memorial Hospital Inc
EIN: 060646966 · Willimantic, CT
$122.4M $93.2M
65 CONNECTICUT FOODSHARE INC
EIN: 061063025 · WALLINGFORD, CT
$120.2M $56.4M
66 CW RESOURCES INC
EIN: 060806499 · NEW BRITAIN, CT
$118.2M $53.5M
67 THE CONNECTICUT INSTITUTE FOR THE BLIND INC
EIN: 060669111 · HARTFORD, CT
$116.1M $97.9M
68 Yale University Retiree Health Benefits Coverage Trust
EIN: 066414276 · New Haven, CT
$114.9M $1.2B
69 CORNELL SCOTT-HILL HEALTH CORPORATION
EIN: 060870990 · NEW HAVEN, CT
$114.5M $72.7M
70 NEW ENGLAND ELECTRICAL WORKERS BENEFITS FUND
EIN: 060860627 · MERIDEN, CT
$106.3M $139.9M
71 Gaylord Hospital INC
EIN: 060646649 · WALLINGFORD, CT
$102.5M $133.9M
72 WHEELER CLINIC INC
EIN: 060867065 · PLAINVILLE, CT
$102.1M $148.3M
73 CHOATE ROSEMARY HALL FOUNDATION INCORPORATED
EIN: 060910420 · WALLINGFORD, CT
$99.3M $925.9M
74 BRUNSWICK SCHOOL INC
EIN: 060646562 · GREENWICH, CT
$95.3M $509.6M
75 Hartford HealthCare Endowment LLC
EIN: 454181103 · HARTFORD, CT
$92.6M $2.2B
76 UNIVERSITY OF SAINT JOSEPH
EIN: 060646829 · WEST HARTFORD, CT
$86.5M $142.4M
77 KNIGHTS OF COLUMBUS CHARITABLE FUND INC
EIN: 815466677 · NEW HAVEN, CT
$85.5M $127.1M
78 COMMUNITY HEALTH NETWORK OF CONNECTICUT INC
EIN: 061429341 · WALLINGFORD, CT
$84.1M $56.6M
79 COMMUNITY HEALTH RESOURCES INC
EIN: 066082527 · Windsor, CT
$82.5M $46.6M
80 Stamford Health Pharmacy LLC
EIN: 873381961 · Stamford, CT
$81.9M $16.7M
81 FOOD RESCUE US INC
EIN: 274486556 · STAMFORD, CT
$75.1M $804K
82 CAPITAL AREA HEALTH CONSORTIUM INC
EIN: 510173264 · FARMINGTON, CT
$75.1M $8.7M
83 RIVERBEND MEDICAL GROUP INC
EIN: 811807730 · HARTFORD, CT
$75.0M $44.5M
84 CO-IMPACT PHILANTHROPIC FUNDS INC
EIN: 882408684 · NEWTOWN, CT
$75.0M $31.8M
85 Financial Accounting Foundation
EIN: 237211935 · Norwalk, CT
$74.9M $162.7M
86 JOHNSON MEMORIAL HOSPITAL INC
EIN: 475676956 · HARTFORD, CT
$74.6M $91.1M
87 JEWISH HOME FOR THE ELDERLY OF FAIRFIELD COUNTY INC
EIN: 060846991 · BRIDGEPORT, CT
$74.4M $156.7M
88 CONNECTICUT STATE EMPLOYEES CREDIT UNION INC
EIN: 060663293 · Hartford, CT
$74.3M $2.4B
89 CONTINUUM OF CARE INC
EIN: 060836524 · NEW HAVEN, CT
$68.5M $25.1M
90 INTERNATIONAL UNION OF OPERATING ENGINEERS WELFARE FUND 478
EIN: 060662089 · HAMDEN, CT
$67.4M $132.4M
91 HARTFORD FOUNDATION FOR PUBLIC GIVING
EIN: 060699252 · HARTFORD, CT
$67.4M $1.1B
92 FAIR HAVEN COMMUNITY HEALTH CLINIC INC
EIN: 060883545 · NEW HAVEN, CT
$67.0M $68.2M
93 ABILITY BEYOND DISABILITY INC
EIN: 060776594 · BETHEL, CT
$65.8M $30.6M
94 SILVER HILL HOSPITAL INC
EIN: 060655139 · NEW CANAAN, CT
$64.0M $76.4M
95 NATIONAL SHOOTING SPORTS FOUNDATION INC
EIN: 060860132 · SHELTON, CT
$63.0M $90.1M
96 Raytheon Welfare Benefits Trust
EIN: 752547072 · FARMINGTON, CT
$62.9M $4.0M
97 THE VILLAGE FOR FAMILIES AND CHILDREN
EIN: 060668594 · HARTFORD, CT
$62.5M $169.0M
98 GOODWIN UNIVERSITY INC
EIN: 061627882 · EAST HARTFORD, CT
$62.4M $307.8M
99 KENT SCHOOL
EIN: 060646687 · KENT, CT
$62.4M $232.9M
100 ALBERTUS MAGNUS COLLEGE
EIN: 060646520 · NEW HAVEN, CT
$62.2M $82.2M
Data from IRS Form 990 filings. Click an organization name to view full details. © 2026 990 Finder by Trantor SpA.