| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2018 |
State Department Of Education |
Town Of Ellington |
$10,593,505.23 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
Wsp Usa Inc |
$10,582,805.82 |
Connecticut State Checkbook |
| 2020 |
Mental Health & Addiction Serv |
Reliance Health Inc |
$10,574,405.00 |
Connecticut State Checkbook |
| 2016 |
Department Of Transportation |
Urs Corporation Aes |
$10,567,810.53 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Cj Fucci Inc |
$10,567,205.13 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Transportation |
Appleton Corporation |
$10,564,144.36 |
Connecticut State Checkbook |
| 2018 |
State Comptroller |
Accenture Llp |
$10,561,879.00 |
Connecticut State Checkbook |
| 2017 |
Department Of Developmental Services |
Arc Of Meriden - Wallingford Inc |
$10,561,333.57 |
Connecticut State Checkbook |
| 2022 |
Mental Health & Addiction Serv |
Ability Beyond Disability Inc |
$10,561,273.00 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Hw Lochner Inc |
$10,553,364.48 |
Connecticut State Checkbook |
| 2016 |
Capital Region Dev Authority |
Capital Region Development Authority |
$10,549,978.16 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Town Of Coventry |
$10,542,778.56 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
City Of Derby |
$10,531,480.96 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Town Of Coventry |
$10,530,131.21 |
Connecticut State Checkbook |
| 2019 |
Department Of Development Serv |
The Arc Of The Farmington Valley Inc |
$10,518,946.41 |
Connecticut State Checkbook |
| 2025 |
Office Of Health Strategy |
Health Information Alliance Inc |
$10,515,169.89 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Mansfield Town Treasurer |
$10,510,866.00 |
Connecticut State Checkbook |
| 2020 |
Department Of Development Serv |
Marc Inc Of Manchester |
$10,500,818.60 |
Connecticut State Checkbook |
| 2016 |
Department Of Mental Heath And Addiction Services |
Dept Of Mental Health & Addiction Acct No. 9478502406 |
$10,500,000.00 |
Connecticut State Checkbook |
| 2020 |
Mental Health & Addiction Serv |
Intercommunity Inc |
$10,496,749.77 |
Connecticut State Checkbook |
| 2024 |
Judicial Branch |
Community Solutions Inc |
$10,482,113.15 |
Connecticut State Checkbook |
| 2025 |
Department Of Development Serv |
Aspire Living & Learning Inc |
$10,476,991.54 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
Transitamerica Services Inc- Alternate Concepts Inc A Joint Venture |
$10,475,428.57 |
Connecticut State Checkbook |
| 2022 |
Office Of Early Childhood |
Waterbury Town Treasurer |
$10,473,803.00 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Jumoke Academy |
$10,464,720.89 |
Connecticut State Checkbook |
| 2022 |
Mental Health & Addiction Serv |
Rushford Center Inc |
$10,464,086.64 |
Connecticut State Checkbook |
| 2023 |
Dept Of Energy & Environ Prot. |
Ridgefield Town Treasurer |
$10,460,680.13 |
Connecticut State Checkbook |
| 2016 |
Office Of Early Childhood |
United Way Of Connecticut Inc |
$10,456,591.39 |
Connecticut State Checkbook |
| 2021 |
Mental Health & Addiction Serv |
Ability Beyond Disability Inc |
$10,450,999.00 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
Ducci Electrical Contractors Inc |
$10,447,814.09 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Town Of Bethel |
$10,445,791.26 |
Connecticut State Checkbook |
| 2024 |
Dept Of Administrative Svcs |
Morganti Group Inc |
$10,444,733.32 |
Connecticut State Checkbook |
| 2016 |
Office Of Early Childhood |
City Of New Haven |
$10,443,413.70 |
Connecticut State Checkbook |
| 2019 |
Mental Health & Addiction Serv |
Reliance Health Inc |
$10,443,170.00 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
State Dept Of Education |
$10,442,633.33 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Town Of Coventry |
$10,441,718.26 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Town Of Simsbury |
$10,441,233.89 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Town Of Branford |
$10,440,631.96 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Children And Families |
Boys & Girls Village Inc |
$10,439,970.76 |
Connecticut State Checkbook |
| 2017 |
Office Of Policy & Management |
Mansfield Town Treasurer |
$10,439,811.11 |
Connecticut State Checkbook |
| 2016 |
Department Of Labor |
Workforce Alliance Inc |
$10,436,159.16 |
Connecticut State Checkbook |
| 2023 |
Department Of Development Serv |
Bristol Adult Resource Center Inc |
$10,435,538.38 |
Connecticut State Checkbook |
| 2025 |
Office Of Early Childhood |
Childcare Education Institute Llc |
$10,432,041.01 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Goodwin College Educational Services Inc |
$10,430,708.00 |
Connecticut State Checkbook |
| 2016 |
Department Of Transportation |
Greater New Haven Transit Dist |
$10,429,890.13 |
Connecticut State Checkbook |
| 2016 |
Department Of Environmental Protection |
Town Of Middletown |
$10,427,785.18 |
Connecticut State Checkbook |
| 2016 |
Department Of Mental Heath And Addiction Services |
Mental Health Connecticut Inc |
$10,427,213.00 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Judicial Department |
$10,425,761.68 |
Connecticut State Checkbook |
| 2023 |
Dept Of Administrative Svcs |
Larosa Building Group Llc |
$10,423,022.37 |
Connecticut State Checkbook |
| 2025 |
Dept Of Emrg Svc & Public Prot |
Tetra Tech Inc |
$10,417,607.66 |
Connecticut State Checkbook |
| 2024 |
Dept Of Administrative Svcs |
North Branford Town Treasurer |
$10,414,462.00 |
Connecticut State Checkbook |
| 2017 |
Department Of Developmental Services |
Journey Found |
$10,413,161.46 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Putnam Town Treasurer |
$10,412,974.22 |
Connecticut State Checkbook |
| 2025 |
Department Of Development Serv |
Hart United Inc |
$10,410,788.49 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Social Services |
Office Of Health Strategy |
$10,407,144.17 |
Connecticut State Checkbook |
| 2024 |
Office Of Early Childhood |
Waterbury Town Treasurer |
$10,402,204.90 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Town Of Berlin |
$10,402,104.18 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Winchester Town Treasurer |
$10,399,561.78 |
Connecticut State Checkbook |
| 2018 |
Department Of Mental Heath And Addiction Services |
Reliance Health Inc |
$10,398,940.00 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Labor |
Eastern Connecticut Workforce Investment Board Inc |
$10,397,671.53 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
The Maritime Aquarium At Norwalk |
$10,394,843.73 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
East River Energy Inc |
$10,391,979.13 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Mansfield Town Treasurer |
$10,387,465.73 |
Connecticut State Checkbook |
| 2018 |
University Of Connecticut |
Connecticut Natural Gas Corp |
$10,385,312.12 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Social Services |
Dental Benefit Management Inc |
$10,377,347.65 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Public Health |
Sanofi Pasteur Inc |
$10,370,904.94 |
Connecticut State Checkbook |
| 2019 |
Mental Health & Addiction Serv |
Intercommunity Inc |
$10,365,100.16 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Social Services |
Allied Community Resources Inc |
$10,347,543.00 |
Connecticut State Checkbook |
| 2016 |
Department Of Social Services |
New Opportunities Inc |
$10,347,324.98 |
Connecticut State Checkbook |
| 2022 |
Judicial Branch |
Fusco Management Co Llc |
$10,346,595.15 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Town Of Cromwell |
$10,343,171.35 |
Connecticut State Checkbook |
| 2018 |
State Comptroller |
Silver Golub & Teitell Llp |
$10,339,651.46 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Public Health |
Dept Of Administrative Services |
$10,334,799.26 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Empire Paving Inc |
$10,331,970.63 |
Connecticut State Checkbook |
| 2025 |
Department Of Housing |
City Of New Haven |
$10,330,917.43 |
Connecticut State Checkbook |
| 2021 |
Ccc - Three Rivers |
Community College System Office |
$10,326,429.02 |
Connecticut State Checkbook |
| 2017 |
Department Of Mental Heath And Addiction Services |
Mental Health Connecticut Inc |
$10,323,987.33 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Transportation |
Freightliner Of Hartford |
$10,320,851.58 |
Connecticut State Checkbook |
| 2025 |
Dept Of Administrative Svcs |
Covendis |
$10,316,186.71 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Labor |
Workforce Alliance Inc |
$10,311,595.40 |
Connecticut State Checkbook |
| 2025 |
Dept Of Administrative Svcs |
Waterbury Town Treasurer |
$10,309,955.92 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Atsalis Brothers Painting Co |
$10,301,229.12 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Newtown Town Treasurer |
$10,297,121.64 |
Connecticut State Checkbook |
| 2016 |
Department Of Children And Families |
Advanced Behavorial Health Inc |
$10,294,073.48 |
Connecticut State Checkbook |
| 2024 |
Department Of Development Serv |
Marc Community Resources Ltd |
$10,290,840.26 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Town Of Windsor Locks |
$10,288,597.24 |
Connecticut State Checkbook |
| 2022 |
Dept Of Energy & Environ Prot. |
Connecticut Green Bank |
$10,287,233.02 |
Connecticut State Checkbook |
| 2020 |
Office Of Higher Education |
University Of Connecticut |
$10,281,409.11 |
Connecticut State Checkbook |
| 2024 |
Dept Of Administrative Svcs |
Rm Bradley Management Corporation |
$10,280,253.31 |
Connecticut State Checkbook |
| 2018 |
Department Of Developmental Services |
Continuum Of Care Inc |
$10,279,109.54 |
Connecticut State Checkbook |
| 2020 |
Office Of Early Childhood |
City Of New Haven |
$10,277,881.88 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Town Of Coventry |
$10,268,377.68 |
Connecticut State Checkbook |
| 2025 |
Office Of Policy & Management |
Town Of Groton |
$10,267,349.27 |
Connecticut State Checkbook |
| 2016 |
Department Of Public Health |
Glaxosmithkline |
$10,264,167.40 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
State Dept Of Education |
$10,260,580.40 |
Connecticut State Checkbook |
| 2022 |
Department Of Development Serv |
Aspire Living & Learning Inc |
$10,254,624.15 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
Aecom Technical Service Inc |
$10,253,031.10 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
New England Infrastructure Inc |
$10,245,598.94 |
Connecticut State Checkbook |
| 2024 |
Aging And Disability Services |
North Central Area Agency On Aging Inc |
$10,243,247.00 |
Connecticut State Checkbook |
| 2024 |
Department Of Development Serv |
Kencrest Services |
$10,243,077.98 |
Connecticut State Checkbook |