| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2024 |
Office Of Early Childhood |
Eastconn |
$3,547,579.02 |
Connecticut State Checkbook |
| 2019 |
Judicial Branch |
Natchaug Hospital Inc |
$3,546,768.00 |
Connecticut State Checkbook |
| 2020 |
Legislative Management |
Smg Corporate Services |
$3,546,631.72 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Children And Families |
Dept Of Administrative Services |
$3,545,975.25 |
Connecticut State Checkbook |
| 2021 |
Office Of Policy & Management |
Town Of Darien |
$3,545,463.36 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
Atlas Industrial Services Llc |
$3,544,892.64 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
Cashman & Katz Llc |
$3,543,412.50 |
Connecticut State Checkbook |
| 2022 |
Department Of Housing |
Cliftonlarsonallen Llp |
$3,542,350.65 |
Connecticut State Checkbook |
| 2025 |
Dept Of Energy & Environ Prot. |
City Of Stamford |
$3,541,648.47 |
Connecticut State Checkbook |
| 2017 |
University Of Connecticut |
All State Construction Inc |
$3,541,275.00 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
State Education Resource Center |
$3,540,209.58 |
Connecticut State Checkbook |
| 2016 |
Department Of Housing |
Loom City Lofts Of Rockville Limited Partnership |
$3,539,999.90 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Common Ground High School |
$3,539,860.50 |
Connecticut State Checkbook |
| 2021 |
Office Of Policy & Management |
Town Of Plainville |
$3,539,240.66 |
Connecticut State Checkbook |
| 2025 |
Econ. & Community Development |
Housing Authority Of The City Of Bridgeport |
$3,539,009.00 |
Connecticut State Checkbook |
| 2017 |
Department Of Transportation |
Abhe Svoboda Inc |
$3,538,753.31 |
Connecticut State Checkbook |
| 2019 |
Office Of Early Childhood |
Tvcca Inc |
$3,538,585.47 |
Connecticut State Checkbook |
| 2023 |
Department Of Housing |
Veterans Terrace Communities Ii Llc |
$3,537,348.00 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Town Of Beacon Falls |
$3,537,089.00 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Town Of Stonington |
$3,536,739.20 |
Connecticut State Checkbook |
| 2017 |
Department Of Children And Families |
Allied Barton Security Services Llc |
$3,535,690.83 |
Connecticut State Checkbook |
| 2018 |
Department Of Children And Families |
Klingberg Comprehensive Family Services Inc |
$3,535,642.00 |
Connecticut State Checkbook |
| 2024 |
Department Of Development Serv |
Goodwill Of Western And Northern Connecticut Inc |
$3,534,048.01 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Infrastructure Engineers Inc |
$3,533,872.97 |
Connecticut State Checkbook |
| 2023 |
Dept Of Administrative Svcs |
Town Of Manchester |
$3,533,725.00 |
Connecticut State Checkbook |
| 2019 |
Department Of Development Serv |
G I L Foundation Inc |
$3,533,306.90 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
Town Of Greenwich |
$3,531,102.12 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
The Bridge Academy |
$3,531,016.98 |
Connecticut State Checkbook |
| 2016 |
Department Of Developmental Services |
Jp Morgan Chase Bank |
$3,530,776.90 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Social Services |
Auctor Corporation |
$3,529,953.11 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
Farmington Town Treasurer |
$3,529,421.31 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Transportation |
Distinctive Tree Care Llc |
$3,529,107.81 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Walsh Construction Company Ii Llc |
$3,528,595.26 |
Connecticut State Checkbook |
| 2016 |
Department Of Public Health |
Optimus Health Care Inc |
$3,528,295.30 |
Connecticut State Checkbook |
| 2021 |
Judicial Branch |
The Connection Inc |
$3,528,080.87 |
Connecticut State Checkbook |
| 2019 |
Office Of Higher Education |
Central Connecticut State University |
$3,527,738.87 |
Connecticut State Checkbook |
| 2016 |
Judicial Department |
Dept Of Children And Families |
$3,527,405.19 |
Connecticut State Checkbook |
| 2018 |
Department Of Administrative Services |
Fiber Technologies Networks Llc |
$3,526,906.19 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Trc Enviromental Corporation |
$3,526,314.09 |
Connecticut State Checkbook |
| 2022 |
Dept Of Emrg Svc & Public Prot |
City Of Stamford |
$3,525,952.91 |
Connecticut State Checkbook |
| 2016 |
Department Of Transportation |
Dewberry Engineers Inc |
$3,524,545.24 |
Connecticut State Checkbook |
| 2023 |
Mental Health & Addiction Serv |
Midwestern Connecticut Council Of Alcoholism Inc |
$3,524,506.15 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Town Of Sprague Town Treasurer |
$3,522,525.92 |
Connecticut State Checkbook |
| 2023 |
Department Of Development Serv |
Goodwill Of Western And Northern Connecticut Inc |
$3,521,066.71 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Town Of North Stonington |
$3,521,022.89 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Children And Families |
Waterford Country School Inc |
$3,519,378.00 |
Connecticut State Checkbook |
| 2020 |
Ct Airport Authority (Ops) |
Tilcon Connecticut Inc |
$3,517,725.66 |
Connecticut State Checkbook |
| 2018 |
Uconn Health Center |
Philips North America Llc |
$3,517,363.96 |
Connecticut State Checkbook |
| 2016 |
Office Of Early Childhood |
City Of Danbury |
$3,516,069.00 |
Connecticut State Checkbook |
| 2017 |
University Of Connecticut |
Bvh Integrated Services Pc |
$3,515,594.38 |
Connecticut State Checkbook |
| 2025 |
Department Of Development Serv |
Opportunity Works Connecticut Inc |
$3,515,535.90 |
Connecticut State Checkbook |
| 2023 |
Office Of Policy & Management |
Waterford Town Treasurer |
$3,515,477.20 |
Connecticut State Checkbook |
| 2016 |
State Comptroller |
Silver Golub & Teitell Llp |
$3,515,193.50 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
Walsh Construction Co - Pcl Joint Venture Ii |
$3,515,015.48 |
Connecticut State Checkbook |
| 2022 |
Office Of Policy & Management |
Town Of Windsor Locks |
$3,514,735.72 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Town Of Avon |
$3,513,261.86 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Ridgefield Town Treasurer |
$3,513,060.52 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Social Services |
Novitex Government Solutions Llc |
$3,512,664.07 |
Connecticut State Checkbook |
| 2017 |
Department Of Developmental Services |
Gil Found Inc |
$3,511,638.97 |
Connecticut State Checkbook |
| 2016 |
Department Of Mental Heath And Addiction Services |
Vinfen Corporation Of Connecticut Inc |
$3,511,222.03 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Willington Town Treasurer |
$3,510,386.41 |
Connecticut State Checkbook |
| 2023 |
Mental Health & Addiction Serv |
Wellmore Inc |
$3,510,355.94 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Transportation |
Alfred Benesch & Company |
$3,509,640.90 |
Connecticut State Checkbook |
| 2018 |
Department Of Developmental Services |
Goodwill Industries Of Southern New England Inc |
$3,507,100.97 |
Connecticut State Checkbook |
| 2022 |
Department Of Development Serv |
Goodwill Of Western And Northern Connecticut Inc |
$3,506,109.95 |
Connecticut State Checkbook |
| 2025 |
Office Of Policy & Management |
Town Of Somers Town Treasurer |
$3,505,890.50 |
Connecticut State Checkbook |
| 2022 |
State Comptroller's Office |
Silver Golub & Teitell Llp |
$3,505,748.51 |
Connecticut State Checkbook |
| 2022 |
Office Of Early Childhood |
City Of Bristol |
$3,505,524.85 |
Connecticut State Checkbook |
| 2017 |
Department Of Administrative Services |
Town Of Colchester Town Treasurer |
$3,502,544.00 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Town Of Southbury |
$3,501,461.00 |
Connecticut State Checkbook |
| 2019 |
Econ. & Community Development |
Hobson & Motzer Inc |
$3,500,000.00 |
Connecticut State Checkbook |
| 2017 |
Department Of Economic & Community Development |
1st Alliance Lending Llc |
$3,500,000.00 |
Connecticut State Checkbook |
| 2023 |
Econ. & Community Development |
Mystic Partners Llc |
$3,500,000.00 |
Connecticut State Checkbook |
| 2025 |
Econ. & Community Development |
The Justice Education Center Inc |
$3,500,000.00 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Transportation |
Cashman & Katz Llc |
$3,499,950.01 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Transportation |
Brunalli Construction Company |
$3,498,716.54 |
Connecticut State Checkbook |
| 2024 |
Econ. & Community Development |
Capital Workforce Partners |
$3,496,705.77 |
Connecticut State Checkbook |
| 2017 |
Department Of Public Safety |
Snet Frontier Communications Of Connecticut |
$3,496,242.36 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Social Services |
Healthtech Solutions Llc |
$3,495,723.25 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Region District 14 Treasurer Business Office |
$3,495,653.66 |
Connecticut State Checkbook |
| 2017 |
Department Of Public Health |
Uconn Health Center |
$3,495,482.92 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Correction |
Career Resources Inc |
$3,495,319.27 |
Connecticut State Checkbook |
| 2016 |
Department Of Children And Families |
Allied Barton Security Services Llc |
$3,495,302.46 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Consor Engineering And Land Surveying Ny Pc |
$3,495,205.70 |
Connecticut State Checkbook |
| 2018 |
Department Of Correction |
Connecticut Renaissance Inc |
$3,493,000.00 |
Connecticut State Checkbook |
| 2017 |
Department Of Developmental Services |
The West Haven Community House Association Inc |
$3,492,755.49 |
Connecticut State Checkbook |
| 2022 |
Dept Of Administrative Svcs |
Northwest Hills Chevrolet |
$3,492,390.64 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Public Health |
City Of New Haven |
$3,492,240.57 |
Connecticut State Checkbook |
| 2019 |
Econ. & Community Development |
New Britain City Treasurer |
$3,492,075.64 |
Connecticut State Checkbook |
| 2019 |
Dept Of Energy & Environ Prot. |
Town Of Southington |
$3,490,539.00 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Public Health |
City Of Hartford |
$3,488,778.68 |
Connecticut State Checkbook |
| 2025 |
Department Of Development Serv |
Goodwill Industries Of Southern New England Inc |
$3,488,065.84 |
Connecticut State Checkbook |
| 2016 |
Department Of Administrative Services |
Waterbury Town Treasurer |
$3,487,552.90 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Common Ground High School |
$3,487,292.98 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
Town Of Ledyard |
$3,487,246.34 |
Connecticut State Checkbook |
| 2025 |
Mental Health & Addiction Serv |
The Southeastern Council On Alcoholism And Drug Dependence Inc |
$3,486,551.00 |
Connecticut State Checkbook |
| 2025 |
Office Of The State Treasurer |
K2 D&S Management Co Llc |
$3,485,228.78 |
Connecticut State Checkbook |
| 2021 |
Office Of Policy & Management |
Town Of Brookfield |
$3,483,288.64 |
Connecticut State Checkbook |
| 2017 |
Office Of Early Childhood |
Child First Inc |
$3,483,125.00 |
Connecticut State Checkbook |
| 2018 |
Department Of Public Health |
Yale University |
$3,480,329.27 |
Connecticut State Checkbook |