| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2017 |
State Department Of Education |
Eastconn |
$5,833,104.65 |
Connecticut State Checkbook |
| 2017 |
Office Of Policy & Management |
Town Of Cheshire |
$5,828,999.10 |
Connecticut State Checkbook |
| 2021 |
Office Of Policy & Management |
Town Of East Haven |
$5,827,313.70 |
Connecticut State Checkbook |
| 2023 |
Dept Of Administrative Svcs |
Town Of Middletown |
$5,826,000.04 |
Connecticut State Checkbook |
| 2024 |
Office Of Early Childhood |
Meriden Town Treasurer |
$5,818,708.77 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Public Health |
Covendis |
$5,818,398.35 |
Connecticut State Checkbook |
| 2025 |
Probate Court Administration |
Anthem Bc/Bs Of Connecticut |
$5,818,001.64 |
Connecticut State Checkbook |
| 2024 |
Office Of Policy & Management |
Town Of Wallingford Treasurer Office |
$5,816,404.22 |
Connecticut State Checkbook |
| 2025 |
Legislative Management |
B&W Paving & Landscaping Llc |
$5,816,134.08 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Town Of Canton |
$5,813,048.08 |
Connecticut State Checkbook |
| 2016 |
Department Of Social Services |
The Access Agency Inc |
$5,807,923.15 |
Connecticut State Checkbook |
| 2025 |
Dept Of Administrative Svcs |
University Of Connecticut |
$5,807,062.73 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Public Health |
City Of Hartford |
$5,804,786.87 |
Connecticut State Checkbook |
| 2022 |
Department Of Development Serv |
Acord Inc |
$5,803,013.07 |
Connecticut State Checkbook |
| 2020 |
Judicial Branch |
Nafi Connecticut Inc |
$5,800,641.53 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Stv Incorporated |
$5,797,160.74 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Town Of Rocky Hill |
$5,795,380.96 |
Connecticut State Checkbook |
| 2017 |
Uconn Health Center |
Epic Systems Corporation |
$5,793,913.24 |
Connecticut State Checkbook |
| 2022 |
Mental Health & Addiction Serv |
Chrysalis Center Inc |
$5,792,775.98 |
Connecticut State Checkbook |
| 2020 |
Department Of Development Serv |
The Arc Of Litchfield County Inc |
$5,790,528.67 |
Connecticut State Checkbook |
| 2020 |
Department Of Development Serv |
Acord Inc |
$5,789,436.85 |
Connecticut State Checkbook |
| 2016 |
University Of Connecticut |
Caterpillar Financial Services |
$5,789,374.68 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
American Institutes For Research |
$5,787,984.00 |
Connecticut State Checkbook |
| 2020 |
Office Of Early Childhood |
New Britain City Treasurer |
$5,786,178.44 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Public Health |
Gaylord Hospital Inc |
$5,781,864.55 |
Connecticut State Checkbook |
| 2021 |
Dept Of Energy & Environ Prot. |
Connecticut Green Bank |
$5,781,731.94 |
Connecticut State Checkbook |
| 2022 |
Dept Of Energy & Environ Prot. |
West Haven Town Treasurer |
$5,780,042.90 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Oxford Town Treasurer |
$5,773,928.63 |
Connecticut State Checkbook |
| 2022 |
Office Of Higher Education |
Central Connecticut State University |
$5,773,219.00 |
Connecticut State Checkbook |
| 2022 |
Dept Of Administrative Svcs |
Lighthouse Computer Services Inc |
$5,769,335.26 |
Connecticut State Checkbook |
| 2018 |
University Of Connecticut |
Dell Marketing Lp |
$5,767,461.97 |
Connecticut State Checkbook |
| 2018 |
Department Of Developmental Services |
Allied Rehabilitation Centers Inc |
$5,767,008.81 |
Connecticut State Checkbook |
| 2022 |
Dept Of Emrg Svc & Public Prot |
Dept Of Administrative Services |
$5,761,715.20 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Children And Families |
Family And Children's Aid Inc |
$5,761,122.00 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Jp Morgan Chase Bank |
$5,760,402.59 |
Connecticut State Checkbook |
| 2024 |
Office Of Early Childhood |
Edadvance |
$5,757,985.90 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Labor |
Tata Consultancy Services Limited |
$5,755,524.68 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
City Of New Haven |
$5,753,926.74 |
Connecticut State Checkbook |
| 2017 |
Department Of Social Services |
Eversource Energy Yankee Gas Services |
$5,753,832.63 |
Connecticut State Checkbook |
| 2017 |
Department Of Developmental Services |
Allied Rehabilitation Centers Inc |
$5,748,988.09 |
Connecticut State Checkbook |
| 2025 |
Office Of Early Childhood |
Rehabilitation Associates Of Connecticut |
$5,748,211.39 |
Connecticut State Checkbook |
| 2021 |
Department Of Development Serv |
Lakeside Neurologic |
$5,748,162.76 |
Connecticut State Checkbook |
| 2023 |
Office Of Early Childhood |
Meriden Town Treasurer |
$5,746,986.17 |
Connecticut State Checkbook |
| 2021 |
Department Of Development Serv |
New England Residential Services Inc |
$5,746,817.38 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
All States Asphalt Inc |
$5,746,009.61 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Transportation |
Quaker Corp |
$5,744,959.34 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Woodstock Town Treasurer |
$5,744,189.07 |
Connecticut State Checkbook |
| 2018 |
Department Of Developmental Services |
New England Residential Services Inc |
$5,743,819.42 |
Connecticut State Checkbook |
| 2021 |
Department Of Development Serv |
Community Social Integration Llc |
$5,742,103.48 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Transportation |
Prime Ae Group Inc |
$5,741,779.55 |
Connecticut State Checkbook |
| 2016 |
Department Of Transportation |
Town Of Southbury |
$5,740,470.91 |
Connecticut State Checkbook |
| 2021 |
Econ. & Community Development |
Hartford Economic Development Corporation |
$5,739,893.15 |
Connecticut State Checkbook |
| 2018 |
Department Of Social Services |
Human Resources Agency Of New Britain Inc |
$5,739,298.95 |
Connecticut State Checkbook |
| 2016 |
Office Of Policy & Management |
Suffield Town Treasurer |
$5,737,583.39 |
Connecticut State Checkbook |
| 2021 |
Judicial Branch |
Nafi Connecticut Inc |
$5,737,085.74 |
Connecticut State Checkbook |
| 2021 |
Department Of Development Serv |
The Arc Of Southington Inc |
$5,737,074.79 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Cambium Assessment Inc |
$5,734,233.00 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Children And Families |
Community Mental Health Affiliates Inc |
$5,734,104.00 |
Connecticut State Checkbook |
| 2025 |
Department Of Development Serv |
The West Haven Community House Association Inc |
$5,726,743.21 |
Connecticut State Checkbook |
| 2016 |
Department Of Administrative Services |
Aais Corporation |
$5,725,472.77 |
Connecticut State Checkbook |
| 2019 |
Department Of Development Serv |
New England Residential Services Inc |
$5,721,698.10 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
City Of Bridgeport |
$5,721,573.34 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Correction |
Uconn Health Center |
$5,721,474.09 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Town Of Portland |
$5,720,830.59 |
Connecticut State Checkbook |
| 2017 |
Department Of Public Health |
Merck Human Health |
$5,720,827.35 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Public Health |
Pfizer Inc |
$5,719,237.70 |
Connecticut State Checkbook |
| 2024 |
Mental Health & Addiction Serv |
Hpc Foodservice |
$5,718,612.05 |
Connecticut State Checkbook |
| 2023 |
Econ. & Community Development |
Media Storm Llc |
$5,717,502.00 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
Michael Baker International Inc |
$5,717,151.82 |
Connecticut State Checkbook |
| 2018 |
Department Of Labor |
Northwest Regional Workforce Investment Board Inc |
$5,716,408.00 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
Seymour Town Treasurer |
$5,712,742.30 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Fusco Management Co Llc |
$5,712,375.41 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
University Of Connecticut |
$5,711,757.42 |
Connecticut State Checkbook |
| 2017 |
Department Of Transportation |
Mcphee Electric Ltd Llc |
$5,708,810.71 |
Connecticut State Checkbook |
| 2018 |
Uconn Health Center |
Hartford Hospital |
$5,708,484.79 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Dayton Const Co Inc |
$5,704,500.27 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Dattco Inc |
$5,703,336.19 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Lawrence Brunoli Inc |
$5,698,137.41 |
Connecticut State Checkbook |
| 2017 |
Department Of Public Safety |
Motorola Solutions Inc |
$5,696,470.81 |
Connecticut State Checkbook |
| 2023 |
Department Of Development Serv |
Lakeside Neurologic |
$5,696,418.78 |
Connecticut State Checkbook |
| 2017 |
Department Of Transportation |
City Of Hartford |
$5,694,488.30 |
Connecticut State Checkbook |
| 2020 |
Department Of Development Serv |
Community Social Integration Llc |
$5,692,714.52 |
Connecticut State Checkbook |
| 2020 |
Dept Of Administrative Svcs |
Goodwin University Inc |
$5,687,802.03 |
Connecticut State Checkbook |
| 2016 |
Judicial Department |
Nafi Connecticut Inc |
$5,687,507.40 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
New Britain City Treasurer |
$5,684,316.24 |
Connecticut State Checkbook |
| 2025 |
Mental Health & Addiction Serv |
Chrysalis Center Inc |
$5,682,723.17 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Transportation |
Dattco Inc |
$5,682,641.69 |
Connecticut State Checkbook |
| 2019 |
Dept Of Administrative Svcs |
Town Of West Hartford |
$5,682,491.00 |
Connecticut State Checkbook |
| 2016 |
Uconn Health Center |
Dimeo Construction Company |
$5,680,938.28 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Children And Families |
Yale University |
$5,680,531.57 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
Dattco Inc |
$5,680,396.42 |
Connecticut State Checkbook |
| 2020 |
Aging And Disability Services |
Eastern Ct Area Agency On Aging |
$5,678,407.00 |
Connecticut State Checkbook |
| 2025 |
Department Of Housing |
Nhsnb Hart Llc |
$5,677,476.11 |
Connecticut State Checkbook |
| 2017 |
Judicial Department |
Community Solutions Inc |
$5,676,605.09 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
Town Of Glastonbury |
$5,676,202.33 |
Connecticut State Checkbook |
| 2025 |
Dept Of Administrative Svcs |
Region District 12 Treasurer |
$5,676,024.00 |
Connecticut State Checkbook |
| 2017 |
University Of Connecticut |
Caterpillar Financial Services |
$5,674,558.12 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Michael Baker Engineering Inc |
$5,671,953.94 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Correction |
Proforma Global Sourcing |
$5,668,062.87 |
Connecticut State Checkbook |
| 2019 |
Department Of Development Serv |
Allied Rehabilitation Centers Inc |
$5,667,472.49 |
Connecticut State Checkbook |