| 1 | Department of Social Services Connecticut · Hartford | State and local governments | 155 | $37 billion |
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| 2 | Department of Transportation Connecticut · Newington | State and local governments | 2,940 | $7.5 billion |
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| 3 | Connecticut Department of Education · Hartford | State and local governments | 133 | $4.8 billion |
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| 4 | Yale Univ · New Haven | Colleges and universities | 2,967 | $3.6 billion |
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| 5 | Department of Public Health Connecticut · Hartford | State and local governments | 220 | $1.4 billion |
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| 6 | Dept of Energy & Environmental Protection · Hartford | State and local governments | 275 | $1.3 billion |
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| 7 | Emergency Services and Public Protection, Department of · Middletown | State and local governments | 115 | $1.2 billion |
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| 8 | Save the Children Federation, Inc. · Fairfield | Nonprofits | 209 | $1.2 billion |
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| 9 | Connecticut Office of Early Childhood · Hartford | State and local governments | 41 | $930 million |
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| 10 | University of Connecticut · Storrs Mansfield | Colleges and universities | 1,007 | $734 million |
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| 11 | State of Connecticut Labor Dept · Wethersfield | State and local governments | 101 | $631 million |
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| 12 | Department of Children & Families · Hartford | State and local governments | 73 | $575 million |
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| 13 | Mental Health & Addiction Services Conne · Hartford | State and local governments | 289 | $495 million |
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| 14 | University of Connecticut Health Center · Farmington | Colleges and universities | 350 | $417 million |
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| 15 | State of Conn Department of Housing · Hartford | State and local governments | 128 | $313 million |
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| 16 | Department of Aging & Disability Services · Hartford | State and local governments | 122 | $275 million |
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| 17 | Inclusive Prosperity Capital Inc · Hartford | Nonprofits | 1 | $249 million |
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| 18 | Office of Policy & Management · Hartford | State and local governments | 44 | $230 million |
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| 19 | Scus Head Start Programs Inc · Fairfield | Nonprofits | 19 | $207 million |
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| 20 | Military Department State of CT · Hartford | State and local governments | 70 | $174 million |
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| 21 | Housing Authority of the City of Bridgeport · Bridgeport | State and local governments | 103 | $137 million |
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| 22 | Connecticut Airport Authority · Windsor Locks | State and local governments | 33 | $123 million |
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| 23 | City of New Haven · New Haven | State and local governments | 41 | $122 million |
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| 24 | Housing Authority of the City of New Haven · New Haven | State and local governments | 22 | $89.3 million |
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| 25 | Community Health Center, Incorporated · Middletown | Nonprofits | 30 | $84.0 million |
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| 26 | Connecticut Institute for Communities, Inc · Danbury | Nonprofits | 19 | $83.8 million |
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| 27 | Point Stratford Renewal LLC · Stratford | Businesses | 2 | $83.6 million |
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| 28 | Capitol Region Education Council · Hartford | State and local governments | 12 | $76.2 million |
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| 29 | Judicial Branch, State of Connecticut · Hartford | State and local governments | 17 | $75.8 million |
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| 30 | The Workplace Inc · Bridgeport | Nonprofits | 29 | $71.9 million |
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| 31 | Proton Energy Systems Inc · Wallingford | Businesses | 3 | $68.4 million |
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| 32 | Connecticut Children's Medical Center · Hartford | Nonprofits | 20 | $65.3 million |
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| 33 | Alliance for Community Empowerment, Inc. · Bridgeport | Nonprofits | 4 | $61.8 million |
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| 34 | Connecticut Airport Authority · Windsor Locks | State and local governments | 14 | $58.1 million |
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| 35 | Connecticut Dept of Veterans Affairs · Rocky Hill | State and local governments | 3 | $55.7 million |
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| 36 | Cornell Scott Hill Health Corporation · New Haven | Nonprofits | 21 | $54.6 million |
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| 37 | RTX Corporation · East Hartford | Businesses | 26 | $54.0 million |
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| 38 | Southern Connecticut State University · New Haven | Businesses | 25 | $53.1 million |
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| 39 | Housing Authority of the City of Hartford · Hartford | State and local governments | 40 | $51.7 million |
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| 40 | University of Connecticut · Storrs Mansfield | Colleges and universities | 4 | $50.5 million |
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| 41 | National Coast Guard Museum Association, Inc. · New London | Nonprofits | 1 | $50.0 million |
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| 42 | City of Waterbury · Waterbury | State and local governments | 42 | $49.7 million |
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| 43 | Central Connecticut State University · New Britain | Colleges and universities | 21 | $49.0 million |
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| 44 | Greater Bridgeport Transit Authority · Bridgeport | Other | 10 | $48.9 million |
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| 45 | Mashantucket Pequot Tribal Nation · Mashantucket | Tribal governments and organizations | 99 | $48.3 million |
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| 46 | City of Hartford · Hartford | State and local governments | 30 | $45.0 million |
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| 47 | City of Bridgeport · Bridgeport | State and local governments | 44 | $44.9 million |
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| 48 | Housing Authority of the City of Waterbury · Waterbury | State and local governments | 43 | $44.6 million |
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| 49 | Sikorsky Aircraft Corporation · Stratford | Businesses | 5 | $44.2 million |
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| 50 | Optimus Health Care, Inc. · Bridgeport | Other | 13 | $43.8 million |
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| 51 | Team Inc · Derby | Nonprofits | 6 | $43.0 million |
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| 52 | Greater Hartford Transit District · Hartford | Other | 9 | $42.9 million |
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| 53 | City of New Haven · New Haven | State and local governments | 11 | $41.9 million |
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| 54 | Norwalk Housing Authority · Norwalk | State and local governments | 71 | $36.4 million |
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| 55 | Charter Oak Health Center, Inc. · Hartford | Other | 7 | $36.0 million |
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| 56 | Fair Haven Community Health Clinic, Inc. · New Haven | Nonprofits | 15 | $35.9 million |
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| 57 | Enstructure New Haven Holdings LLC · East Haven | Businesses | 2 | $35.0 million |
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| 58 | Sacred Heart University Incorporated · Fairfield | Colleges and universities | 17 | $35.0 million |
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| 59 | Americares Foundation, Inc. · Stamford | Nonprofits | 13 | $34.8 million |
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| 60 | City of New Britain · New Britain | Tribal governments and organizations | 30 | $34.3 million |
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| 61 | Wesleyan University · Middletown | Colleges and universities | 70 | $34.2 million |
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| 62 | University of New Haven, Incorporated · West Haven | Colleges and universities | 29 | $33.3 million |
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| 63 | Department of Motor Vehicles Connecticut · Hartford | State and local governments | 17 | $33.0 million |
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| 64 | Naugatuck Valley Community College · Waterbury | Colleges and universities | 13 | $33.0 million |
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| 65 | Thames Valley Council for Community Action, Inc. · Jewett City | Nonprofits | 11 | $31.7 million |
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| 66 | Higher Education, Connecticut Board of Regents for · New Haven | Colleges and universities | 6 | $30.6 million |
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| 67 | Eastconn Regional Educational Service Center, Incorporated · Hampton | State and local governments | 8 | $30.3 million |
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| 68 | Edadvance · Litchfield | Nonprofits | 16 | $29.4 million |
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| 69 | Southwest Community Health Center Inc · Bridgeport | Other | 9 | $28.8 million |
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| 70 | Community Health Services, Incorporated · Hartford | Other | 7 | $28.6 million |
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| 71 | Higher Education Connecticut Board of Regents for · Bridgeport | Colleges and universities | 10 | $27.8 million |
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| 72 | Human Resources Agency of New Britain, Inc. · New Britain | Nonprofits | 8 | $27.4 million |
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| 73 | Norwalk Transit District · Norwalk | Other | 5 | $27.3 million |
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| 74 | Staywell Health Care, Inc. · Waterbury | Nonprofits | 10 | $26.9 million |
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| 75 | City of Hartford · Hartford | State and local governments | 8 | $26.7 million |
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| 76 | Goodwin University Inc · East Hartford | Businesses | 12 | $26.4 million |
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| 77 | Norwalk Community College · Norwalk | Colleges and universities | 7 | $26.3 million |
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| 78 | Generations Family Health Center, Inc · Willimantic | Other | 8 | $26.0 million |
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| 79 | Groton Board of Education · Mystic | State and local governments | 12 | $25.5 million |
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| 80 | Naugatuck Valley Council of Governments · Waterbury | State and local governments | 14 | $24.8 million |
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| 81 | The University of Hartford · West Hartford | Colleges and universities | 10 | $24.5 million |
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| 82 | The Children's Community Programs of Connecticut, Inc. · New Haven | Nonprofits | 5 | $24.3 million |
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| 83 | Children's Learning Centers of Fairfield County, Inc. · Stamford | Nonprofits | 4 | $24.2 million |
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| 84 | Office of Workforce Strategy · Hartford | Other | 1 | $23.9 million |
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| 85 | East Hartford Housing Authority · East Hartford | State and local governments | 17 | $23.8 million |
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| 86 | Western Connecticut State University Alumni Association, Inc. · Danbury | Colleges and universities | 9 | $23.7 million |
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| 87 | City of Stamford · Stamford | State and local governments | 36 | $23.2 million |
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| 88 | Quinnipiac University · Hamden | Colleges and universities | 10 | $23.2 million |
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| 89 | Columbus House, Inc · New Haven | Nonprofits | 21 | $23.0 million |
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| 90 | Wheeler Clinic Inc · Plainville | Nonprofits | 17 | $22.9 million |
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| 91 | Housing Authority City of Bristol · Bristol | Tribal governments and organizations | 31 | $22.9 million |
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| 92 | Connecticut Agricultural Experimental Station · New Haven | State and local governments | 60 | $22.8 million |
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| 93 | City of Norwich Department of Public Utilities · Norwich | State and local governments | 3 | $22.5 million |
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| 94 | Board of Trustee of Community-Technical College · Hartford | Colleges and universities | 7 | $22.4 million |
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| 95 | Community Renewal Team, Inc. · Hartford | Nonprofits | 40 | $22.3 million |
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| 96 | Tweed New Haven Airport Authority · East Haven | State and local governments | 18 | $22.2 million |
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| 97 | Board of Trust of Community Technical College · Manchester | Colleges and universities | 6 | $22.2 million |
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| 98 | The New Haven Jewish Community Council Housing Cor · New Haven | Businesses | 3 | $22.0 million |
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| 99 | LULAC Head Start Inc. · New Haven | Nonprofits | 4 | $21.3 million |
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| 100 | Norwalk Community Health Center, Inc. · Norwalk | Nonprofits | 9 | $21.3 million |
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