| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2023 |
State Dept Of Education |
Town Of New Hartford |
$3,461,979.16 |
Connecticut State Checkbook |
| 2022 |
Judicial Branch |
Advanced Office Systems |
$3,460,249.00 |
Connecticut State Checkbook |
| 2018 |
University Of Connecticut |
Metropolitan District |
$3,459,752.94 |
Connecticut State Checkbook |
| 2025 |
State Comptroller's Office |
Quantum Health Inc |
$3,458,700.94 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Town Of Southbury |
$3,458,266.00 |
Connecticut State Checkbook |
| 2022 |
Dept Of Emrg Svc & Public Prot |
Adesta Llc |
$3,457,990.69 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Town Of New Hartford |
$3,457,804.94 |
Connecticut State Checkbook |
| 2020 |
Dept Of Administrative Svcs |
Scope Construction Company Inc |
$3,457,396.92 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Transportation |
Town Of Watertown |
$3,455,730.90 |
Connecticut State Checkbook |
| 2018 |
Office Of Policy & Management |
Town Of Montville |
$3,455,500.48 |
Connecticut State Checkbook |
| 2023 |
Office Of Policy & Management |
Wolcott Town Treasurer |
$3,455,319.62 |
Connecticut State Checkbook |
| 2025 |
Dept Of Administrative Svcs |
Region District 18 Treasurer |
$3,454,600.27 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Town Of Preston Town Treasurer |
$3,450,871.61 |
Connecticut State Checkbook |
| 2018 |
State Dept Of Rehabilitation |
Western Ct Area Agcy On Aging |
$3,450,092.33 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Correction |
Career Resources Inc |
$3,449,892.39 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
E T & L Corp |
$3,449,770.44 |
Connecticut State Checkbook |
| 2022 |
Judicial Branch |
Connecticut Renaissance Inc |
$3,449,171.06 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
Norwalk Town Treasurer |
$3,448,166.73 |
Connecticut State Checkbook |
| 2021 |
Department Of Housing |
Ot Owner Llc |
$3,446,273.03 |
Connecticut State Checkbook |
| 2020 |
Mental Health & Addiction Serv |
Vinfen Corporation Of Connecticut Inc |
$3,440,787.60 |
Connecticut State Checkbook |
| 2022 |
Dept Of Administrative Svcs |
Tucker Mechanical Inc |
$3,440,652.14 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
New Britain City Treasurer |
$3,440,286.40 |
Connecticut State Checkbook |
| 2025 |
Dept Of Administrative Svcs |
Scope Construction Company Inc |
$3,439,457.44 |
Connecticut State Checkbook |
| 2017 |
Department Of Economic & Community Development |
Media Storm Llc |
$3,438,879.62 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Transportation |
Connecticut Carpentry Corp |
$3,438,758.74 |
Connecticut State Checkbook |
| 2018 |
University Of Connecticut |
Larosa Building Group Llc |
$3,437,434.20 |
Connecticut State Checkbook |
| 2021 |
Judicial Branch |
Connecticut Renaissance Inc |
$3,436,910.13 |
Connecticut State Checkbook |
| 2018 |
Department Of Housing |
Dept Of Transportation |
$3,436,193.17 |
Connecticut State Checkbook |
| 2022 |
Office Of The State Treasurer |
Bank Of New York Mellon |
$3,436,130.07 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
Tectonic Engineering & Surveying Consultants Pc |
$3,433,920.89 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Correction |
Eversource Energy Yankee Gas Services |
$3,433,677.90 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Social Services |
Cornell Scott-Hill Health Corporation |
$3,433,520.00 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
North Haven Town Treasurer |
$3,433,122.20 |
Connecticut State Checkbook |
| 2019 |
Department Of Housing |
Ponemah Riverbank Unit A North Llc |
$3,432,945.24 |
Connecticut State Checkbook |
| 2024 |
Department Of Development Serv |
Turning Leaf Agency Corp |
$3,432,253.49 |
Connecticut State Checkbook |
| 2017 |
Department Of Administrative Services |
W J Mountford Company |
$3,431,290.12 |
Connecticut State Checkbook |
| 2018 |
Department Of Public Health |
Yale New Haven Health Systems |
$3,431,183.00 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Social Services |
Novitex Government Solutions Llc |
$3,430,528.93 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Town Of Sterling |
$3,429,555.63 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Wilton Town Treasurer |
$3,428,854.17 |
Connecticut State Checkbook |
| 2019 |
Mental Health & Addiction Serv |
Vinfen Corporation Of Connecticut Inc |
$3,426,653.97 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Cj Fucci Construction |
$3,425,188.58 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Parsons Transportation Group Inc |
$3,425,110.28 |
Connecticut State Checkbook |
| 2025 |
Department Of Development Serv |
Sharp Training Inc |
$3,424,496.32 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
Naugatuck Town Treasurer |
$3,423,937.49 |
Connecticut State Checkbook |
| 2021 |
Dept Of Energy & Environ Prot. |
The United Illuminating Company |
$3,423,346.56 |
Connecticut State Checkbook |
| 2022 |
Department Of Development Serv |
Alternatives Inc |
$3,422,685.77 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Correction |
Town Of Enfield |
$3,422,394.74 |
Connecticut State Checkbook |
| 2017 |
University Of Connecticut |
Jacobs Project Management Co |
$3,421,378.43 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Town Of Pomfret Town Treasurer |
$3,418,423.37 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Town Of Glastonbury Town Treas/Dir Of Admin Serv |
$3,418,389.38 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Distinctive Gardens & Tree Care Llc |
$3,417,286.50 |
Connecticut State Checkbook |
| 2023 |
Office Of Policy & Management |
Town Of Stafford |
$3,417,276.93 |
Connecticut State Checkbook |
| 2018 |
Office Of Policy & Management |
Farmington Town Treasurer |
$3,416,799.47 |
Connecticut State Checkbook |
| 2019 |
Office Of Policy & Management |
City Of Milford |
$3,416,025.22 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Cisco Llc |
$3,415,542.10 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Public Health |
Yale University |
$3,414,761.18 |
Connecticut State Checkbook |
| 2025 |
Mental Health & Addiction Serv |
Hartford Hospital |
$3,414,627.97 |
Connecticut State Checkbook |
| 2017 |
Department Of Developmental Services |
Windsor Independent Living Associates Inc |
$3,414,486.10 |
Connecticut State Checkbook |
| 2021 |
Office Of Policy & Management |
New Canaan Town Treasurer |
$3,414,308.64 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Interdistrict School For Arts And Communication |
$3,413,106.11 |
Connecticut State Checkbook |
| 2022 |
Dept Of Administrative Svcs |
Altura Communication Solutions Llc |
$3,412,962.77 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Town Of North Stonington |
$3,411,928.93 |
Connecticut State Checkbook |
| 2024 |
Mental Health & Addiction Serv |
The Southeastern Council On Alcoholism And Drug Dependence Inc |
$3,411,533.61 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Ridgefield Town Treasurer |
$3,408,397.51 |
Connecticut State Checkbook |
| 2018 |
Department Of Administrative Services |
Nosal Builders Inc |
$3,407,702.63 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Town Of Durham |
$3,406,571.00 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Tectonic Engineering & Surveying Consultants Pc |
$3,405,569.21 |
Connecticut State Checkbook |
| 2025 |
Dept Of Energy & Environ Prot. |
University Of Connecticut |
$3,405,251.57 |
Connecticut State Checkbook |
| 2020 |
Charter Oak State College |
Undisclosed |
$3,404,767.42 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Side By Side Charter School Inc |
$3,404,764.00 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Transportation |
Naugatuck Town Treasurer |
$3,404,120.29 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Social Services |
Novitex Government Solutions Llc |
$3,403,296.88 |
Connecticut State Checkbook |
| 2019 |
Department Of Development Serv |
Baroco Corp |
$3,402,878.63 |
Connecticut State Checkbook |
| 2022 |
Mental Health & Addiction Serv |
Cell Staff Llc |
$3,402,707.96 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Town Of New Hartford |
$3,401,783.32 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
Prime Ae Group Inc |
$3,401,530.80 |
Connecticut State Checkbook |
| 2024 |
Judicial Branch |
Connecticut Renaissance Inc |
$3,401,208.71 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Social Services |
Novitex Government Solutions Llc |
$3,401,082.97 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Connecticut Port Authority |
$3,400,000.00 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Walsh Construction Co - Pcl Joint Venture Ii |
$3,399,342.69 |
Connecticut State Checkbook |
| 2017 |
Department Of Administrative Services |
Diversity Construction Group Llc |
$3,398,665.36 |
Connecticut State Checkbook |
| 2025 |
Econ. & Community Development |
Connstep Inc |
$3,398,228.19 |
Connecticut State Checkbook |
| 2024 |
Office Of Early Childhood |
Odonnell Company |
$3,398,001.65 |
Connecticut State Checkbook |
| 2017 |
Department Of Children And Families |
Child Health And Development Institute Inc |
$3,397,936.81 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Town Of North Stonington |
$3,397,389.46 |
Connecticut State Checkbook |
| 2025 |
Department Of Housing |
Bc Chapel Street Llc |
$3,393,487.76 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Children And Families |
Child Health And Development Institute Of Connecticut Inc |
$3,392,098.59 |
Connecticut State Checkbook |
| 2020 |
Dept Of Energy & Environ Prot. |
Town Of Haddam |
$3,390,983.80 |
Connecticut State Checkbook |
| 2021 |
Office Of Policy & Management |
Town Of Avon |
$3,390,720.89 |
Connecticut State Checkbook |
| 2021 |
Department Of Development Serv |
New Beginnings For Life Llc |
$3,390,614.66 |
Connecticut State Checkbook |
| 2025 |
Econ. & Community Development |
The Workplace Inc |
$3,390,551.97 |
Connecticut State Checkbook |
| 2025 |
Office Of Early Childhood |
Childrens Learning Centers Of Fairfield County Inc |
$3,390,336.75 |
Connecticut State Checkbook |
| 2020 |
Mental Health & Addiction Serv |
Wellmore Inc |
$3,389,699.16 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Baier Const Co Inc |
$3,389,677.42 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
The Bridge Academy |
$3,388,796.14 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Social Services |
Dept Of Public Health |
$3,388,730.62 |
Connecticut State Checkbook |
| 2024 |
Dept Of Administrative Svcs |
Dept Of Administrative Services |
$3,388,626.29 |
Connecticut State Checkbook |
| 2023 |
Das - Information Technology |
At&T Mobility Llc |
$3,388,543.57 |
Connecticut State Checkbook |
| 2020 |
State Comptroller's Office |
Department Of Labor |
$3,388,058.80 |
Connecticut State Checkbook |