| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2019 |
Dept Of Energy & Environ Prot. |
Eversource Cl&P |
$3,790,600.75 |
Connecticut State Checkbook |
| 2023 |
Office Of Policy & Management |
Town Of Madison Town Treasurer |
$3,787,445.59 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Town Of Southbury |
$3,786,087.00 |
Connecticut State Checkbook |
| 2025 |
Office Of Higher Education |
Southern Connecticut State University |
$3,784,769.00 |
Connecticut State Checkbook |
| 2023 |
Dept Of Emrg Svc & Public Prot |
Fairfield University |
$3,784,691.15 |
Connecticut State Checkbook |
| 2023 |
Office Of Early Childhood |
Eastconn |
$3,783,479.56 |
Connecticut State Checkbook |
| 2017 |
Office Of Early Childhood |
Town Of East Hartford Town Treasurer |
$3,782,711.83 |
Connecticut State Checkbook |
| 2018 |
Department Of Administrative Services |
City Of New Haven |
$3,782,505.00 |
Connecticut State Checkbook |
| 2020 |
Department Of Development Serv |
Sharp Training Inc |
$3,781,500.54 |
Connecticut State Checkbook |
| 2019 |
Department Of Development Serv |
The West Haven Community House Association Inc |
$3,778,438.62 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Children And Families |
Summit Security Services Inc |
$3,775,151.45 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Public Health |
Town Of Bethel |
$3,774,597.29 |
Connecticut State Checkbook |
| 2022 |
Dept Of Administrative Svcs |
Eversource Cl&P |
$3,774,273.50 |
Connecticut State Checkbook |
| 2023 |
Office Of Policy & Management |
Tolland Town Treasurer |
$3,773,953.77 |
Connecticut State Checkbook |
| 2025 |
Econ. & Community Development |
Shubert Performing Arts |
$3,772,455.66 |
Connecticut State Checkbook |
| 2023 |
Office Of Policy & Management |
Town Of Southbury |
$3,770,851.43 |
Connecticut State Checkbook |
| 2019 |
Probate Court Administration |
Anthem Bc/Bs Of Connecticut |
$3,770,772.19 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Spazzarini Const Co Inc |
$3,770,344.10 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Garg Consulting Services Inc |
$3,769,842.26 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Odyssey Community School Inc |
$3,769,722.00 |
Connecticut State Checkbook |
| 2023 |
Mental Health & Addiction Serv |
Connecticut Community For Addiction Recovery Inc |
$3,768,353.00 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Integrated Day Charter School |
$3,767,270.40 |
Connecticut State Checkbook |
| 2018 |
University Of Connecticut |
Standard Demolition Services Incorporate |
$3,766,887.38 |
Connecticut State Checkbook |
| 2023 |
State Comptroller's Office |
Wellspark Health Inc |
$3,765,232.94 |
Connecticut State Checkbook |
| 2021 |
Department Of Development Serv |
Jewish Association For Community Living Inc |
$3,763,599.47 |
Connecticut State Checkbook |
| 2024 |
Office Of Policy & Management |
Town Of Somers Town Treasurer |
$3,761,427.69 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Social Services |
Connecticut Association For Community Action Inc |
$3,760,947.31 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Transportation |
Monroe Tractor & Implement Co Inc |
$3,760,614.00 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Town Of Sterling |
$3,759,782.52 |
Connecticut State Checkbook |
| 2018 |
Office Of The State Treasurer |
Grantham Mayo Van Otterloo & Co Llc |
$3,754,769.13 |
Connecticut State Checkbook |
| 2019 |
Connecticut State Library |
City Of Hartford |
$3,754,500.00 |
Connecticut State Checkbook |
| 2025 |
Dept Of Administrative Svcs |
Goodwin University Inc |
$3,752,769.00 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Newington Town Treasurer |
$3,752,409.56 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Social Services |
Connecticut Foodshare Inc |
$3,752,349.98 |
Connecticut State Checkbook |
| 2021 |
Charter Oak State College |
Undisclosed |
$3,751,852.76 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Children And Families |
Child Health And Development Institute Of Connecticut Inc |
$3,751,362.65 |
Connecticut State Checkbook |
| 2024 |
Department Of Development Serv |
Arc Of Greater New Haven Inc |
$3,751,026.30 |
Connecticut State Checkbook |
| 2024 |
Dept Of Energy & Environ Prot. |
Epa Region Ii |
$3,750,000.00 |
Connecticut State Checkbook |
| 2025 |
State Comptroller's Office |
Laske Law Firm Llc |
$3,750,000.00 |
Connecticut State Checkbook |
| 2017 |
Department Of Transportation |
Connecticut Airport Authority |
$3,750,000.00 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Town Of Bolton |
$3,748,714.23 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Town Of Lisbon |
$3,747,582.48 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Correction |
Connecticut Renaissance Inc |
$3,744,720.00 |
Connecticut State Checkbook |
| 2022 |
Office Of Early Childhood |
Deloitte Consulting Llp |
$3,743,742.48 |
Connecticut State Checkbook |
| 2021 |
Department Of Development Serv |
Goodwill Of Western And Northern Connecticut Inc |
$3,743,637.85 |
Connecticut State Checkbook |
| 2024 |
Military Dept. |
Allied Universal Security Services |
$3,743,452.12 |
Connecticut State Checkbook |
| 2025 |
Mental Health & Addiction Serv |
Marrakech Day Services |
$3,743,441.26 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Common Ground High School |
$3,741,013.68 |
Connecticut State Checkbook |
| 2018 |
Department Of Housing |
Schoolhouse Redevelopment Limited Partnership |
$3,740,000.00 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Odyssey Community School Inc |
$3,739,434.00 |
Connecticut State Checkbook |
| 2021 |
Mental Health & Addiction Serv |
United Security Inc |
$3,739,255.70 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Town Of Ashford |
$3,736,936.34 |
Connecticut State Checkbook |
| 2017 |
Department Of Mental Heath And Addiction Services |
Recovery Network Of Programs Inc |
$3,736,166.66 |
Connecticut State Checkbook |
| 2025 |
Ct Tech Educ And Career Sys |
Marzano Resources Llc |
$3,735,826.99 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Town Of Bolton |
$3,735,379.51 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Wilton Town Treasurer |
$3,734,919.00 |
Connecticut State Checkbook |
| 2025 |
Judicial Branch |
Sentinel Offender Services Llc |
$3,734,859.06 |
Connecticut State Checkbook |
| 2022 |
Mental Health & Addiction Serv |
Vinfen Corporation Of Connecticut Inc |
$3,733,887.95 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Dynamic Surface Applications Ltd |
$3,733,761.80 |
Connecticut State Checkbook |
| 2025 |
Office Of Policy & Management |
Town Of Windsor Locks |
$3,733,668.66 |
Connecticut State Checkbook |
| 2024 |
Econ. & Community Development |
The Barnum Museum Foundation |
$3,732,108.00 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Eversource Cl&P |
$3,730,009.29 |
Connecticut State Checkbook |
| 2017 |
Department Of Developmental Services |
Northeast Placement Services Inc |
$3,729,353.60 |
Connecticut State Checkbook |
| 2019 |
Department Of Development Serv |
Goodwill Of Western And Northern Connecticut Inc |
$3,728,964.17 |
Connecticut State Checkbook |
| 2022 |
Mental Health & Addiction Serv |
United Security Inc |
$3,727,604.80 |
Connecticut State Checkbook |
| 2021 |
Office Of Early Childhood |
Rehabilitation Associates Of Connecticut |
$3,726,193.45 |
Connecticut State Checkbook |
| 2017 |
Department Of Transportation |
Mig Corp Inc |
$3,725,240.29 |
Connecticut State Checkbook |
| 2019 |
Dept Of Administrative Svcs |
State Dept Of Education |
$3,724,456.00 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Public Health |
Optimus Health Care Inc |
$3,719,187.76 |
Connecticut State Checkbook |
| 2024 |
Office Of Policy & Management |
Town Of Ledyard |
$3,717,026.92 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Town Of Sprague Town Treasurer |
$3,716,759.15 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Vanasse Hangen Brustlin Inc |
$3,715,907.85 |
Connecticut State Checkbook |
| 2021 |
Ct Airport Authority (Ops) |
Connecticut Airport Authority |
$3,715,748.17 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Urs Corporation Aes |
$3,712,888.63 |
Connecticut State Checkbook |
| 2018 |
Department Of Administrative Services |
Immix Technology Inc |
$3,712,590.66 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Town Of Bolton |
$3,711,098.94 |
Connecticut State Checkbook |
| 2018 |
Department Of Children And Families |
Child And Family Agency Of Southeastern Connecticut Inc |
$3,709,700.00 |
Connecticut State Checkbook |
| 2021 |
Mental Health & Addiction Serv |
Dept Of Children And Families |
$3,707,044.00 |
Connecticut State Checkbook |
| 2023 |
Mental Health & Addiction Serv |
The Southeastern Council On Alcoholism And Drug Dependence Inc |
$3,706,646.37 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
Stantec Consulting Services Inc |
$3,706,022.99 |
Connecticut State Checkbook |
| 2018 |
Department Of Housing |
Millport Phase Ii Limited Partnership |
$3,705,694.20 |
Connecticut State Checkbook |
| 2022 |
Judicial Branch |
Yale University |
$3,704,660.53 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
The Bridge Academy |
$3,704,542.30 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Town Of Bolton |
$3,703,499.85 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Children And Families |
Klingberg Comprehensive Family Services Inc |
$3,703,475.00 |
Connecticut State Checkbook |
| 2021 |
Dept Of Administrative Svcs |
Immix Technology Inc |
$3,703,170.42 |
Connecticut State Checkbook |
| 2019 |
Dept Of Administrative Svcs |
Owens Renz & Lee Co Inc |
$3,700,986.39 |
Connecticut State Checkbook |
| 2018 |
Department Of Children And Families |
Community Mental Health Affiliates Inc |
$3,700,077.00 |
Connecticut State Checkbook |
| 2022 |
Econ. & Community Development |
The Maritime Aquarium At Norwalk Inc |
$3,700,000.00 |
Connecticut State Checkbook |
| 2025 |
Department Of Housing |
80 South Road Llc |
$3,699,172.00 |
Connecticut State Checkbook |
| 2022 |
Econ. & Community Development |
Capital Workforce Partners |
$3,696,246.51 |
Connecticut State Checkbook |
| 2022 |
Department Of Development Serv |
Baroco Corp |
$3,695,135.68 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Town Of Lisbon |
$3,693,756.52 |
Connecticut State Checkbook |
| 2025 |
Econ. & Community Development |
Torrington Town Treasurer |
$3,692,607.38 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
The Bridge Academy |
$3,691,411.60 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
Prime Ae Group Inc |
$3,690,835.13 |
Connecticut State Checkbook |
| 2021 |
Mental Health & Addiction Serv |
Wellmore Inc |
$3,690,144.82 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Correction |
Securus Technologies Llc |
$3,687,842.91 |
Connecticut State Checkbook |
| 2025 |
Dept Of Administrative Svcs |
Larosa Building Group Llc |
$3,687,659.85 |
Connecticut State Checkbook |
| 2021 |
Office Of Policy & Management |
Town Of Monroe Town Treasurer |
$3,687,351.34 |
Connecticut State Checkbook |