| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2025 |
Dept. Of Public Health |
Uconn Health Center |
$11,436,497.10 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
Transitamerica Services Inc- Alternate Concepts Inc A Joint Venture |
$11,435,856.55 |
Connecticut State Checkbook |
| 2020 |
Office Of Early Childhood |
United Way Of Connecticut Inc |
$11,432,049.00 |
Connecticut State Checkbook |
| 2023 |
Dept Of Administrative Svcs |
Constitution State Services Llc |
$11,430,685.03 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Safety Marking Inc |
$11,426,039.20 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Mansfield Town Treasurer |
$11,424,851.86 |
Connecticut State Checkbook |
| 2022 |
Dept Of Administrative Svcs |
Town Of Middletown |
$11,423,633.03 |
Connecticut State Checkbook |
| 2025 |
Department Of Housing |
Sheldon Oak Central Inc |
$11,423,632.00 |
Connecticut State Checkbook |
| 2019 |
Dept Of Energy & Environ Prot. |
Town Of Enfield |
$11,421,376.00 |
Connecticut State Checkbook |
| 2017 |
Department Of Children And Families |
Community Health Resources Inc |
$11,408,783.00 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Town Of Glastonbury |
$11,403,242.32 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
City Of Derby |
$11,401,028.43 |
Connecticut State Checkbook |
| 2016 |
Judicial Department |
Connecticut Junior Republic Association Inc |
$11,383,757.00 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Goodwin College Educational Services Inc |
$11,382,814.85 |
Connecticut State Checkbook |
| 2023 |
Mental Health & Addiction Serv |
Reliance Health Inc |
$11,378,425.50 |
Connecticut State Checkbook |
| 2022 |
Dept Of Administrative Svcs |
Mansfield Town Treasurer |
$11,377,414.00 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Revenue Services |
Fast Enterprises Llc |
$11,368,691.21 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Mansfield Town Treasurer |
$11,361,825.40 |
Connecticut State Checkbook |
| 2024 |
Department Of Development Serv |
Bristol Adult Resource Center Inc |
$11,359,310.23 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Town Of Ellington |
$11,357,164.12 |
Connecticut State Checkbook |
| 2025 |
Department Of Development Serv |
Bristol Adult Resource Center Inc |
$11,357,103.69 |
Connecticut State Checkbook |
| 2022 |
Dept Of Energy & Environ Prot. |
Torrington Town Treasurer |
$11,355,567.53 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Town Of Plymouth Town Treasurer |
$11,347,502.04 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Tolland Town Treasurer |
$11,346,869.90 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Town Of Stafford |
$11,345,304.05 |
Connecticut State Checkbook |
| 2019 |
Department Of Development Serv |
Ices Inc |
$11,342,249.66 |
Connecticut State Checkbook |
| 2019 |
Department Of Development Serv |
Journey Found Inc |
$11,341,431.34 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Social Services |
The Access Agency Inc |
$11,335,164.19 |
Connecticut State Checkbook |
| 2019 |
Department Of Development Serv |
Star Inc Lighting The Way |
$11,328,236.99 |
Connecticut State Checkbook |
| 2021 |
Office Of Higher Education |
University Of Connecticut |
$11,327,702.63 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Town Of Cheshire |
$11,323,477.88 |
Connecticut State Checkbook |
| 2024 |
Office Of Policy & Management |
Town Of West Hartford |
$11,321,161.03 |
Connecticut State Checkbook |
| 2025 |
Dept Of Administrative Svcs |
Northwest Hills Chevrolet |
$11,319,569.47 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Labor |
Workforce Alliance Inc |
$11,319,208.25 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
Naugatuck Town Treasurer |
$11,316,674.30 |
Connecticut State Checkbook |
| 2017 |
Department Of Mental Heath And Addiction Services |
Reliance Health Inc |
$11,311,976.00 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Correction |
Hpc Foodservice |
$11,309,092.91 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Elm City College |
$11,302,481.36 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Town Of Stafford |
$11,300,899.95 |
Connecticut State Checkbook |
| 2024 |
Office Of Health Strategy |
Health Information Alliance Inc |
$11,289,758.50 |
Connecticut State Checkbook |
| 2017 |
Office Of Policy & Management |
Town Of East Hartford Town Treasurer |
$11,285,071.52 |
Connecticut State Checkbook |
| 2018 |
Department Of Social Services |
Abcd Inc |
$11,277,452.32 |
Connecticut State Checkbook |
| 2025 |
Dept Of Administrative Svcs |
Constitution State Services Llc |
$11,270,587.96 |
Connecticut State Checkbook |
| 2016 |
University Of Connecticut |
Standard Builders Inc |
$11,270,230.47 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Town Of Bethel |
$11,266,977.86 |
Connecticut State Checkbook |
| 2021 |
Office Of Early Childhood |
City Of Hartford |
$11,266,955.37 |
Connecticut State Checkbook |
| 2017 |
Department Of Administrative Services |
Ibm Corporation |
$11,266,730.15 |
Connecticut State Checkbook |
| 2016 |
Department Of Economic & Community Development |
Connecticut Center For Advanced Technology Inc |
$11,265,729.00 |
Connecticut State Checkbook |
| 2019 |
Ccc - Manchester |
Community College System Office |
$11,263,068.70 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
American School For The Deaf |
$11,262,511.26 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Public Health |
Glaxosmithkline |
$11,260,791.48 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Town Of Plymouth Town Treasurer |
$11,258,593.84 |
Connecticut State Checkbook |
| 2020 |
Econ. & Community Development |
Connecticut Center For Advanced Technology Inc |
$11,244,622.00 |
Connecticut State Checkbook |
| 2025 |
Mental Health & Addiction Serv |
Cardinal Health 110 Llc |
$11,231,584.49 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Winchester Town Treasurer |
$11,222,394.27 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Tolland Town Treasurer |
$11,216,949.15 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Social Services |
Medical Transportation Management Inc |
$11,215,000.00 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Public Health |
Community Health Center Inc |
$11,209,457.57 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Tolland Town Treasurer |
$11,206,169.18 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Labor |
Department Of Labor |
$11,200,000.00 |
Connecticut State Checkbook |
| 2018 |
Department Of Developmental Services |
Midstate Arc Inc |
$11,199,441.31 |
Connecticut State Checkbook |
| 2016 |
Department Of Mental Heath And Addiction Services |
Reliance House Inc |
$11,197,383.00 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Mansfield Town Treasurer |
$11,196,175.25 |
Connecticut State Checkbook |
| 2024 |
Office Of Policy & Management |
City Of Norwich |
$11,193,813.99 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Revenue Services |
Fast Enterprises Llc |
$11,185,000.00 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Winchester Town Treasurer |
$11,184,182.44 |
Connecticut State Checkbook |
| 2018 |
Department Of Mental Heath And Addiction Services |
Center For Human Development Inc |
$11,183,423.00 |
Connecticut State Checkbook |
| 2023 |
Office Of Policy & Management |
Town Of Groton |
$11,180,353.19 |
Connecticut State Checkbook |
| 2019 |
Office Of Policy & Management |
Town Of Middletown |
$11,176,105.20 |
Connecticut State Checkbook |
| 2022 |
Department Of Development Serv |
St Vincent's Special Needs Center Inc |
$11,155,997.47 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Tolland Town Treasurer |
$11,151,957.20 |
Connecticut State Checkbook |
| 2021 |
Department Of Development Serv |
Marc Inc Of Manchester |
$11,146,244.25 |
Connecticut State Checkbook |
| 2022 |
Mental Health & Addiction Serv |
Reliance Health Inc |
$11,144,801.00 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Judlau Contracting Inc |
$11,144,682.24 |
Connecticut State Checkbook |
| 2018 |
Department Of Developmental Services |
Harc Inc |
$11,141,237.85 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
City Of Derby |
$11,139,080.58 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Capital Prep Harbor School Inc |
$11,133,408.65 |
Connecticut State Checkbook |
| 2023 |
Department Of Development Serv |
Alternative Services Connecticut Inc |
$11,130,293.04 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Transportation |
American Bridge Company |
$11,128,779.08 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Putnam Town Treasurer |
$11,126,729.62 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Social Services |
Dental Benefit Management Inc |
$11,116,302.56 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
All States Construction Inc |
$11,115,516.18 |
Connecticut State Checkbook |
| 2020 |
Department Of Development Serv |
Continuum Of Care Inc |
$11,109,372.24 |
Connecticut State Checkbook |
| 2017 |
Department Of Mental Heath And Addiction Services |
Center For Human Development Inc |
$11,099,751.00 |
Connecticut State Checkbook |
| 2020 |
Office Of Policy & Management |
West Haven Town Treasurer |
$11,092,051.09 |
Connecticut State Checkbook |
| 2017 |
Office Of Policy & Management |
Town Of Hamden |
$11,086,587.62 |
Connecticut State Checkbook |
| 2025 |
Dept Of Administrative Svcs |
Rm Bradley Management Corporation |
$11,086,223.48 |
Connecticut State Checkbook |
| 2016 |
Department Of Housing |
Crescent Crossings Llc |
$11,081,624.97 |
Connecticut State Checkbook |
| 2016 |
Department Of Economic & Community Development |
Hartford Hospital |
$11,079,417.00 |
Connecticut State Checkbook |
| 2025 |
Department Of Development Serv |
Resources For Human Development Inc |
$11,078,105.56 |
Connecticut State Checkbook |
| 2021 |
Dept Of Administrative Svcs |
Stratford Town Treasurer |
$11,077,110.05 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Social Services |
Tvcca Inc |
$11,074,038.88 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Public Health |
Glaxosmithkline |
$11,066,383.63 |
Connecticut State Checkbook |
| 2022 |
Dept Of Energy & Environ Prot. |
Ridgefield Town Treasurer |
$11,064,012.63 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Suffield Town Treasurer |
$11,059,809.41 |
Connecticut State Checkbook |
| 2021 |
Mental Health & Addiction Serv |
Reliance Health Inc |
$11,056,691.00 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Town Of East Lyme |
$11,055,624.41 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Suffield Town Treasurer |
$11,050,257.89 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Great Oaks Charter School Bridgeport Inc |
$11,046,201.04 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
City Of Derby |
$11,038,903.57 |
Connecticut State Checkbook |