| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2024 |
Dept. Of Transportation |
Hammonasset Construction Llc |
$9,643,273.19 |
Connecticut State Checkbook |
| 2020 |
Mental Health & Addiction Serv |
Rushford Center Inc |
$9,635,932.76 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Town Of Glastonbury |
$9,634,862.85 |
Connecticut State Checkbook |
| 2023 |
Dept Of Administrative Svcs |
The Nutmeg Companies Inc |
$9,623,864.02 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Social Services |
The Access Agency Inc |
$9,622,791.27 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Elm City College |
$9,622,243.33 |
Connecticut State Checkbook |
| 2023 |
Econ. & Community Development |
Lockheed Martin Corporation |
$9,621,428.00 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Social Services |
The Community Action Agency Of Western Connecticut Inc |
$9,617,763.69 |
Connecticut State Checkbook |
| 2021 |
Office Of Policy & Management |
Town Of Enfield |
$9,613,622.69 |
Connecticut State Checkbook |
| 2024 |
Department Of Development Serv |
March Inc Of Manchester |
$9,611,832.03 |
Connecticut State Checkbook |
| 2019 |
Dept Of Emrg Svc & Public Prot |
Motorola Solutions Inc |
$9,611,114.76 |
Connecticut State Checkbook |
| 2018 |
Uconn Health Center |
Epic Systems Corporation |
$9,608,777.00 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Jumoke Academy |
$9,608,757.65 |
Connecticut State Checkbook |
| 2022 |
Judicial Branch |
Dept Of Administrative Services |
$9,606,196.38 |
Connecticut State Checkbook |
| 2018 |
Department Of Mental Heath And Addiction Services |
Ability Beyond Disability Inc |
$9,602,568.00 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
Hw Lochner Inc |
$9,601,913.58 |
Connecticut State Checkbook |
| 2019 |
Mental Health & Addiction Serv |
Rushford Center Inc |
$9,596,549.52 |
Connecticut State Checkbook |
| 2018 |
Department Of Mental Heath And Addiction Services |
Rushford Center Inc |
$9,589,497.00 |
Connecticut State Checkbook |
| 2017 |
Department Of Developmental Services |
Abilis Inc |
$9,585,876.43 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Town Of East Hampton Town Treasurer |
$9,585,617.95 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Labor |
The Workplace Inc |
$9,579,175.57 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Public Health |
Sema4 Genomics |
$9,577,300.00 |
Connecticut State Checkbook |
| 2017 |
Department Of Developmental Services |
Cw Resources Inc |
$9,576,413.76 |
Connecticut State Checkbook |
| 2021 |
Office Of Early Childhood |
Waterbury Town Treasurer |
$9,568,587.89 |
Connecticut State Checkbook |
| 2017 |
Department Of Mental Heath And Addiction Services |
United Services Inc |
$9,563,604.60 |
Connecticut State Checkbook |
| 2024 |
Mental Health & Addiction Serv |
Sound Community Services Inc |
$9,561,474.18 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Transystems Corporation Of Connecticut |
$9,552,292.84 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Town Of East Hampton Town Treasurer |
$9,548,665.46 |
Connecticut State Checkbook |
| 2021 |
Dept Of Administrative Svcs |
Town Of Bethel |
$9,548,660.08 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
Gm2 Associates Inc |
$9,544,970.88 |
Connecticut State Checkbook |
| 2021 |
Department Of Development Serv |
Alternative Services Connecticut Inc |
$9,541,733.97 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Mansfield Town Treasurer |
$9,510,499.68 |
Connecticut State Checkbook |
| 2021 |
Connecticut State Universities |
Connecticut State University System Office |
$9,503,250.00 |
Connecticut State Checkbook |
| 2023 |
Dept Of Administrative Svcs |
Rm Bradley Management Corporation |
$9,497,696.73 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Trumbull Town Treasurer |
$9,494,200.90 |
Connecticut State Checkbook |
| 2018 |
Department Of Administrative Services |
Town Of Manchester |
$9,491,477.00 |
Connecticut State Checkbook |
| 2017 |
Department Of Mental Heath And Addiction Services |
The Connection Inc |
$9,485,586.64 |
Connecticut State Checkbook |
| 2018 |
Department Of Social Services |
Conduent State Healthcare Llc |
$9,481,461.50 |
Connecticut State Checkbook |
| 2017 |
Department Of Social Services |
New Opportunities Inc |
$9,476,526.00 |
Connecticut State Checkbook |
| 2017 |
State Comptroller |
Department Of Labor |
$9,475,296.37 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Town Of East Windsor |
$9,460,911.29 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Motor Coach Industries Inc |
$9,459,815.00 |
Connecticut State Checkbook |
| 2021 |
Office Of Policy & Management |
Town Of Fairfield |
$9,455,174.42 |
Connecticut State Checkbook |
| 2017 |
Office Of Policy & Management |
City Of Danbury |
$9,455,121.73 |
Connecticut State Checkbook |
| 2019 |
Office Of Policy & Management |
City Of Stamford |
$9,452,922.12 |
Connecticut State Checkbook |
| 2018 |
Department Of Administrative Services |
Ibm Corporation |
$9,450,804.19 |
Connecticut State Checkbook |
| 2022 |
Econ. & Community Development |
Lockheed Martin Corporation |
$9,446,428.00 |
Connecticut State Checkbook |
| 2017 |
Department Of Higher Education |
University Of Connecticut |
$9,442,059.94 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
Freightliner Of Hartford Inc |
$9,441,515.32 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Elm City College |
$9,440,313.04 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Children And Families |
Beacon Health Options Inc |
$9,434,031.00 |
Connecticut State Checkbook |
| 2018 |
Department Of Labor |
The Workplace Inc |
$9,432,014.20 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Great Oaks Foundation |
$9,429,421.68 |
Connecticut State Checkbook |
| 2021 |
Office Of Policy & Management |
Town Of Groton |
$9,420,308.91 |
Connecticut State Checkbook |
| 2020 |
Dept Of Administrative Svcs |
Downes Construction Company Llc |
$9,411,423.21 |
Connecticut State Checkbook |
| 2017 |
Office Of Policy & Management |
Town Of New London |
$9,411,362.51 |
Connecticut State Checkbook |
| 2020 |
Department Of Development Serv |
Sarah Tuxis Residential Services Inc |
$9,409,290.15 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Social Services |
Tvcca Inc |
$9,403,037.34 |
Connecticut State Checkbook |
| 2017 |
Department Of Administrative Services |
City Of Stamford |
$9,401,288.00 |
Connecticut State Checkbook |
| 2022 |
Mental Health & Addiction Serv |
Dept Of Children And Families |
$9,396,280.60 |
Connecticut State Checkbook |
| 2018 |
Department Of Housing |
Norwalk Housing Authority |
$9,395,325.18 |
Connecticut State Checkbook |
| 2023 |
Judicial Branch |
Connecticut Coalition Against Domestic Violence |
$9,392,324.97 |
Connecticut State Checkbook |
| 2017 |
Department Of Developmental Services |
Ccarc Inc |
$9,389,651.38 |
Connecticut State Checkbook |
| 2024 |
Department Of Development Serv |
Adelbrook Community Services Inc |
$9,386,193.18 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
Clough Harbour & Associates Llp |
$9,383,534.87 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Town Of Windsor Locks |
$9,378,745.40 |
Connecticut State Checkbook |
| 2021 |
Judicial Branch |
Fusco Management Co Llc |
$9,378,025.41 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Town Of Glastonbury Town Treas/Dir Of Admin Serv |
$9,377,747.53 |
Connecticut State Checkbook |
| 2023 |
Mental Health & Addiction Serv |
Cardinal Health 110 Llc |
$9,375,991.38 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
American School For The Deaf |
$9,366,264.49 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Thompson Town Treasurer |
$9,359,266.34 |
Connecticut State Checkbook |
| 2017 |
Department Of Developmental Services |
The Arc Of The Farmington Valley Inc |
$9,358,238.41 |
Connecticut State Checkbook |
| 2021 |
Department Of Development Serv |
Aspire Living & Learning Inc |
$9,358,037.93 |
Connecticut State Checkbook |
| 2023 |
Mental Health & Addiction Serv |
Gilead Community Services Inc |
$9,354,878.46 |
Connecticut State Checkbook |
| 2020 |
Dept Of Emrg Svc & Public Prot |
Dept Of Administrative Services |
$9,354,766.44 |
Connecticut State Checkbook |
| 2019 |
Mental Health & Addiction Serv |
United Services Inc |
$9,352,094.28 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Children And Families |
Advanced Behaviorial Health Inc |
$9,350,737.46 |
Connecticut State Checkbook |
| 2024 |
Office Of Policy & Management |
Newington Town Treasurer |
$9,341,694.81 |
Connecticut State Checkbook |
| 2017 |
Department Of Administrative Services |
Snet Frontier Communications Of Connecticut |
$9,341,092.62 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
All States Construction Inc |
$9,336,884.39 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Dept Of Public Safety |
$9,331,905.38 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Social Services |
Health Management Systems Inc |
$9,331,875.04 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Dept Of Public Safety |
$9,331,329.49 |
Connecticut State Checkbook |
| 2023 |
Department Of Development Serv |
Hart United Inc |
$9,329,856.16 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Town Of East Hampton Town Treasurer |
$9,319,403.66 |
Connecticut State Checkbook |
| 2020 |
Office Of Policy & Management |
Town Of East Hartford Town Treasurer |
$9,315,289.87 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Goodwin College Educational Services Inc |
$9,309,608.00 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
North Branford Town Treasurer |
$9,308,853.15 |
Connecticut State Checkbook |
| 2017 |
Department Of Children And Families |
The Village For Families & Children Inc |
$9,294,765.00 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Correction |
Blt Management Llc |
$9,293,853.59 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Social Services |
The Community Action Agency Of Western Connecticut Inc |
$9,293,096.00 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Town Of East Windsor |
$9,287,372.03 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Thompson Town Treasurer |
$9,286,893.61 |
Connecticut State Checkbook |
| 2019 |
Office Of Policy & Management |
Mansfield Town Treasurer |
$9,283,241.45 |
Connecticut State Checkbook |
| 2024 |
Judicial Branch |
Fusco Management Co Llc |
$9,281,728.26 |
Connecticut State Checkbook |
| 2023 |
Dept Of Emrg Svc & Public Prot |
Tetra Tech Inc |
$9,279,412.00 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Town Of Coventry |
$9,265,052.36 |
Connecticut State Checkbook |
| 2019 |
Department Of Development Serv |
St Vincent's Special Needs Center Inc |
$9,263,899.78 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Children And Families |
Advanced Behaviorial Health Inc |
$9,258,814.14 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
American School For The Deaf |
$9,258,689.50 |
Connecticut State Checkbook |