| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2024 |
Dept. Of Social Services |
Allied Community Resources Inc |
$12,965,313.69 |
Connecticut State Checkbook |
| 2024 |
Econ. & Community Development |
Capital Region Development Authority |
$12,949,942.00 |
Connecticut State Checkbook |
| 2017 |
Department Of Administrative Services |
City Of Danbury |
$12,941,404.00 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Norwalk Transit District |
$12,923,782.56 |
Connecticut State Checkbook |
| 2018 |
Department Of Public Health |
Merck Human Health |
$12,916,330.30 |
Connecticut State Checkbook |
| 2023 |
Dept Of Administrative Svcs |
Town Of South Windsor |
$12,915,439.00 |
Connecticut State Checkbook |
| 2017 |
Department Of Developmental Services |
Mosaic |
$12,912,304.23 |
Connecticut State Checkbook |
| 2017 |
Department Of Mental Heath And Addiction Services |
Continuum Of Care Inc |
$12,893,111.00 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Town Of Ellington |
$12,877,969.25 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Correction |
The Connection Inc |
$12,866,187.64 |
Connecticut State Checkbook |
| 2019 |
Department Of Development Serv |
Abilis Inc |
$12,853,958.17 |
Connecticut State Checkbook |
| 2023 |
Office Of Health Strategy |
Connecticare Benefits Inc |
$12,848,633.02 |
Connecticut State Checkbook |
| 2023 |
Office Of Early Childhood |
City Of New Haven |
$12,847,651.67 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Town Of Griswold |
$12,844,788.08 |
Connecticut State Checkbook |
| 2023 |
Office Of Policy & Management |
Newington Town Treasurer |
$12,843,386.20 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
Cj Fucci Inc |
$12,842,540.21 |
Connecticut State Checkbook |
| 2018 |
Department Of Public Health |
Pfizer Inc |
$12,824,581.90 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Transportation |
J F White Contracting Co |
$12,814,834.62 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Transportation |
North Water Llc |
$12,800,000.00 |
Connecticut State Checkbook |
| 2021 |
Office Of Early Childhood |
City Of Bridgeport |
$12,795,478.71 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Correction |
Eversource Cl&P |
$12,790,591.22 |
Connecticut State Checkbook |
| 2016 |
Department Of Developmental Services |
Mosaic |
$12,784,529.20 |
Connecticut State Checkbook |
| 2025 |
Dept Of Administrative Svcs |
Town Of Windham |
$12,767,168.00 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Town Of Plymouth Town Treasurer |
$12,753,294.63 |
Connecticut State Checkbook |
| 2025 |
Office Of Early Childhood |
Local Initiatives Support Corporation |
$12,750,000.00 |
Connecticut State Checkbook |
| 2022 |
Dept Of Administrative Svcs |
City Of Bristol |
$12,739,692.03 |
Connecticut State Checkbook |
| 2016 |
Department Of Correction |
Keefe Supply Co |
$12,733,695.50 |
Connecticut State Checkbook |
| 2022 |
Office Of Early Childhood |
City Of Bridgeport |
$12,732,337.41 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Elm City College Preparatory Inc |
$12,725,081.14 |
Connecticut State Checkbook |
| 2021 |
Mental Health & Addiction Serv |
Center For Human Development Inc |
$12,722,178.00 |
Connecticut State Checkbook |
| 2023 |
Ct Airport Authority (Ops) |
Connecticut Airport Authority |
$12,721,880.09 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Transitamerica Services Inc- Alternate Concepts Inc A Joint Venture |
$12,707,663.82 |
Connecticut State Checkbook |
| 2016 |
Office Of Policy & Management |
New Britain City Treasurer |
$12,707,195.40 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Children And Families |
Dept Of Administrative Services |
$12,706,707.86 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Children And Families |
Community Health Resources Inc |
$12,703,753.00 |
Connecticut State Checkbook |
| 2025 |
Mental Health & Addiction Serv |
Rushford Center Inc |
$12,697,281.70 |
Connecticut State Checkbook |
| 2019 |
Department Of Development Serv |
Network Inc |
$12,691,165.22 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Amistad Academy |
$12,684,816.07 |
Connecticut State Checkbook |
| 2022 |
Office Of Early Childhood |
United Way Of Connecticut Inc |
$12,684,238.00 |
Connecticut State Checkbook |
| 2018 |
Uconn Health Center |
University Of Connecticut |
$12,676,486.40 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Social Services |
The Community Action Agency Of Western Connecticut Inc |
$12,674,549.43 |
Connecticut State Checkbook |
| 2024 |
Dept Of Emrg Svc & Public Prot |
Tetra Tech Inc |
$12,670,859.90 |
Connecticut State Checkbook |
| 2022 |
Department Of Development Serv |
Star Inc Lighting The Way |
$12,665,459.61 |
Connecticut State Checkbook |
| 2020 |
Dept Of Energy & Environ Prot. |
Vernon Town Treasurer |
$12,661,573.39 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Town Of Glastonbury |
$12,659,167.14 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
Norwalk Transit District |
$12,654,357.69 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Seymour Town Treasurer |
$12,651,330.40 |
Connecticut State Checkbook |
| 2024 |
Dept Of Administrative Svcs |
Town Of Killingly |
$12,650,627.00 |
Connecticut State Checkbook |
| 2025 |
Mental Health & Addiction Serv |
The Connection Inc |
$12,647,070.79 |
Connecticut State Checkbook |
| 2017 |
Department Of Mental Heath And Addiction Services |
Bh Care Inc |
$12,643,041.92 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
New England Infrastructure Inc |
$12,640,608.40 |
Connecticut State Checkbook |
| 2018 |
Department Of Mental Heath And Addiction Services |
Continuum Of Care Inc |
$12,639,827.00 |
Connecticut State Checkbook |
| 2016 |
Judicial Department |
Community Partners In Action Inc |
$12,639,771.00 |
Connecticut State Checkbook |
| 2021 |
Judicial Branch |
Probate Court Administraton |
$12,633,218.00 |
Connecticut State Checkbook |
| 2016 |
Department Of Public Safety |
Dept Of Administrative Services |
$12,632,760.62 |
Connecticut State Checkbook |
| 2024 |
Office Of Policy & Management |
Norwalk Town Treasurer |
$12,630,642.69 |
Connecticut State Checkbook |
| 2022 |
Mental Health & Addiction Serv |
Intercommunity Inc |
$12,630,484.26 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Town Of Griswold |
$12,624,592.76 |
Connecticut State Checkbook |
| 2020 |
Dept Of Administrative Svcs |
Town Of Manchester |
$12,624,014.00 |
Connecticut State Checkbook |
| 2016 |
Teachers' Retirement Board |
Aetna Life Insurance Company |
$12,621,760.09 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Seymour Town Treasurer |
$12,619,097.11 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Town Of Stafford |
$12,612,660.40 |
Connecticut State Checkbook |
| 2023 |
Doc - Correctional Industries |
Keefe Group Llc |
$12,610,704.05 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Social Services |
Infosys Public Services Inc |
$12,606,441.28 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Town Of Cheshire |
$12,606,075.08 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Town Of Griswold |
$12,605,044.67 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Wsp Usa Inc |
$12,604,900.90 |
Connecticut State Checkbook |
| 2023 |
Dept Of Emrg Svc & Public Prot |
Dept Of Administrative Services |
$12,602,849.94 |
Connecticut State Checkbook |
| 2024 |
State Comptroller's Office |
Izard Kindall & Raabe Llp |
$12,600,000.00 |
Connecticut State Checkbook |
| 2024 |
State Comptroller's Office |
Kaufman Lieb Lebowitz & Frick Llp |
$12,600,000.00 |
Connecticut State Checkbook |
| 2016 |
Department Of Mental Heath And Addiction Services |
Continuum Of Care Inc |
$12,597,794.00 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Town Of Stafford |
$12,595,011.24 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Town Of Bethel |
$12,592,255.84 |
Connecticut State Checkbook |
| 2016 |
Department Of Transportation |
Norwalk Transit Dist |
$12,591,715.43 |
Connecticut State Checkbook |
| 2023 |
Department Of Development Serv |
Sarah Tuxis Residential Services Inc |
$12,589,909.36 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Social Services |
Conduent State Healthcare Llc |
$12,584,899.87 |
Connecticut State Checkbook |
| 2024 |
Dept Of Administrative Svcs |
Northwest Hills Chevrolet |
$12,579,114.15 |
Connecticut State Checkbook |
| 2020 |
Office Of Early Childhood |
City Of Hartford |
$12,573,945.10 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Town Of Stafford |
$12,569,484.73 |
Connecticut State Checkbook |
| 2018 |
Department Of Public Health |
South Central Connecticut Regional Water Authority |
$12,552,804.24 |
Connecticut State Checkbook |
| 2017 |
Department Of Developmental Services |
Vinfen Corporation Of Connecticut Inc |
$12,549,664.82 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Wethersfield Town Treasurer |
$12,546,832.00 |
Connecticut State Checkbook |
| 2022 |
Department Of Development Serv |
Marc Inc Of Manchester |
$12,544,007.22 |
Connecticut State Checkbook |
| 2016 |
Department Of Transportation |
Freightliner Of Hartford |
$12,534,596.07 |
Connecticut State Checkbook |
| 2025 |
Mental Health & Addiction Serv |
Ability Beyond Disability Inc |
$12,526,280.00 |
Connecticut State Checkbook |
| 2020 |
Ccc - Naugatuck Valley |
Community College System Office |
$12,521,085.08 |
Connecticut State Checkbook |
| 2023 |
Office Of Early Childhood |
City Of Hartford |
$12,516,450.76 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Transportation |
Eversource Cl&P |
$12,508,226.52 |
Connecticut State Checkbook |
| 2019 |
Teachers' Retirement Board |
Anthem Bc/Bs Of Connecticut |
$12,506,654.23 |
Connecticut State Checkbook |
| 2021 |
Office Of Policy & Management |
Meriden Town Treasurer |
$12,504,733.62 |
Connecticut State Checkbook |
| 2017 |
Department Of Transportation |
Hw Lochner Inc |
$12,498,903.42 |
Connecticut State Checkbook |
| 2017 |
Department Of Transportation |
Norwalk Transit District |
$12,495,906.26 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Town Of Cheshire |
$12,485,202.66 |
Connecticut State Checkbook |
| 2020 |
Department Of Development Serv |
Ices Inc |
$12,482,710.23 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Achievement First Bridgeport Academy Inc |
$12,480,919.12 |
Connecticut State Checkbook |
| 2021 |
Department Of Development Serv |
Midstate Arc Inc |
$12,480,564.19 |
Connecticut State Checkbook |
| 2023 |
Mental Health & Addiction Serv |
United Services Inc |
$12,479,942.34 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Elm City College Preparatory Inc |
$12,479,730.00 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Correction |
Sysco Connecticut Llc |
$12,463,761.79 |
Connecticut State Checkbook |
| 2022 |
Mental Health & Addiction Serv |
Mental Health Connecticut Inc |
$12,458,377.00 |
Connecticut State Checkbook |