| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2021 |
State Dept Of Education |
Town Of South Windsor |
$15,590,877.14 |
Connecticut State Checkbook |
| 2025 |
Judicial Branch |
Connecticut Junior Republic Association Inc |
$15,580,211.00 |
Connecticut State Checkbook |
| 2017 |
Department Of Transportation |
Northeast Transportation Co Inc |
$15,569,501.75 |
Connecticut State Checkbook |
| 2025 |
Department Of Development Serv |
Star Inc Lighting The Way |
$15,561,133.98 |
Connecticut State Checkbook |
| 2022 |
Dept Of Energy & Environ Prot. |
Vernon Town Treasurer |
$15,553,067.48 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Learn |
$15,552,157.20 |
Connecticut State Checkbook |
| 2018 |
Department Of Developmental Services |
Sunrise Northeast Inc |
$15,534,021.20 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Labor |
The Workplace Inc |
$15,530,892.72 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Children And Families |
Community Health Resources Inc |
$15,524,258.25 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
Mcnamee Construction Corp |
$15,521,074.26 |
Connecticut State Checkbook |
| 2022 |
Dept Of Energy & Environ Prot. |
Town Of Wallingford Treasurer Office |
$15,513,619.55 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Cdw Government Llc |
$15,512,982.54 |
Connecticut State Checkbook |
| 2020 |
Dept Of Energy & Environ Prot. |
Town Of Wallingford Treasurer Office |
$15,510,230.11 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Seymour Town Treasurer |
$15,508,852.89 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Wolcott Town Treasurer |
$15,493,348.98 |
Connecticut State Checkbook |
| 2016 |
Department Of Transportation |
Newfield Construction Inc |
$15,489,329.75 |
Connecticut State Checkbook |
| 2021 |
Dept Of Administrative Svcs |
Town Of New London |
$15,487,145.03 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Town Of Shelton |
$15,476,905.15 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Public Health |
Merck Sharp & Dohme Llc |
$15,468,064.94 |
Connecticut State Checkbook |
| 2025 |
Department Of Development Serv |
Journey Found Inc |
$15,459,231.08 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Town Of Colchester Town Treasurer |
$15,458,166.67 |
Connecticut State Checkbook |
| 2020 |
Dept Of Administrative Svcs |
Tolland Town Treasurer |
$15,457,826.00 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Area Cooperative Educational Services |
$15,445,847.55 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Learn |
$15,443,062.25 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Seymour Town Treasurer |
$15,438,382.05 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Town Of Fairfield |
$15,423,944.59 |
Connecticut State Checkbook |
| 2021 |
Department Of Development Serv |
Primecare Inc |
$15,423,689.16 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Amistad Academy |
$15,412,665.01 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Transportation |
Hammonasset Construction Llc |
$15,412,316.51 |
Connecticut State Checkbook |
| 2021 |
Dept Of Energy & Environ Prot. |
Ridgefield Town Treasurer |
$15,409,230.41 |
Connecticut State Checkbook |
| 2017 |
Department Of Labor |
The Workplace Inc |
$15,406,673.12 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Transportation |
Transitamerica Services Inc- Alternate Concepts Inc A Joint Venture |
$15,394,039.45 |
Connecticut State Checkbook |
| 2022 |
Office Of Higher Education |
University Of Connecticut |
$15,380,422.00 |
Connecticut State Checkbook |
| 2016 |
Department Of Mental Heath And Addiction Services |
Community Mental Health Affiliates Inc |
$15,375,912.11 |
Connecticut State Checkbook |
| 2025 |
Department Of Development Serv |
Corporation For Public Management |
$15,370,088.40 |
Connecticut State Checkbook |
| 2024 |
Dept Of Administrative Svcs |
Farmington Town Treasurer |
$15,358,603.00 |
Connecticut State Checkbook |
| 2025 |
Department Of Development Serv |
Ccarc Inc |
$15,353,287.50 |
Connecticut State Checkbook |
| 2021 |
Dept Of Administrative Svcs |
Pds Eng & Constr |
$15,329,902.65 |
Connecticut State Checkbook |
| 2020 |
Department Of Development Serv |
Sunrise Northeast Inc |
$15,329,104.45 |
Connecticut State Checkbook |
| 2020 |
Department Of Development Serv |
Primecare Inc |
$15,323,091.32 |
Connecticut State Checkbook |
| 2017 |
Department Of Transportation |
Brunalli Construction Company |
$15,311,518.41 |
Connecticut State Checkbook |
| 2020 |
Department Of Development Serv |
Abilis Inc |
$15,309,942.19 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Town Of Montville |
$15,305,702.83 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Town Of Colchester Town Treasurer |
$15,286,198.50 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Town Of Watertown |
$15,277,510.29 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
Ny Conn Corp |
$15,275,528.71 |
Connecticut State Checkbook |
| 2016 |
Office Of Policy & Management |
Town Of Middletown |
$15,274,788.75 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Town Of Ledyard |
$15,269,171.94 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Wolcott Town Treasurer |
$15,257,609.06 |
Connecticut State Checkbook |
| 2018 |
Department Of Social Services |
Enterprise Services Llc |
$15,252,851.85 |
Connecticut State Checkbook |
| 2024 |
Dept Of Administrative Svcs |
Constitution State Services Llc |
$15,250,306.18 |
Connecticut State Checkbook |
| 2024 |
Office Of Early Childhood |
City Of Hartford |
$15,248,200.53 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Learn |
$15,241,005.50 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Goodwin University Educational Services Inc |
$15,225,259.34 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Motor Vehicles |
Deloitte Consulting Llp |
$15,207,768.41 |
Connecticut State Checkbook |
| 2016 |
Department Of Correction |
Sysco Connecticut Llc |
$15,197,948.91 |
Connecticut State Checkbook |
| 2025 |
Office Of Early Childhood |
City Of Bridgeport |
$15,175,179.51 |
Connecticut State Checkbook |
| 2016 |
Department Of Developmental Services |
Sunrise Northeast Inc |
$15,173,235.63 |
Connecticut State Checkbook |
| 2025 |
Dept Of Administrative Svcs |
Eplus Technology Inc |
$15,167,479.28 |
Connecticut State Checkbook |
| 2018 |
Department Of Administrative Services |
Peoples United Insurance Agency R C Knox Division |
$15,156,442.01 |
Connecticut State Checkbook |
| 2022 |
Dept Of Administrative Svcs |
Shawmut Design And Construction |
$15,146,078.92 |
Connecticut State Checkbook |
| 2021 |
Dept Of Administrative Svcs |
West Haven Town Treasurer |
$15,145,787.04 |
Connecticut State Checkbook |
| 2020 |
Dept Of Energy & Environ Prot. |
Town Of Enfield |
$15,141,137.99 |
Connecticut State Checkbook |
| 2025 |
Dept Of Administrative Svcs |
Carahsoft Technology Corporation |
$15,117,097.92 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Learn |
$15,093,871.18 |
Connecticut State Checkbook |
| 2019 |
Dept Of Administrative Svcs |
City Of Stamford |
$15,075,284.00 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Town Of Colchester Town Treasurer |
$15,074,127.17 |
Connecticut State Checkbook |
| 2021 |
Econ. & Community Development |
City Of New Haven |
$15,047,564.00 |
Connecticut State Checkbook |
| 2016 |
Department Of Developmental Services |
Key Human Services Inc |
$15,046,768.95 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Town Of Montville |
$15,044,089.26 |
Connecticut State Checkbook |
| 2021 |
Dept Of Energy & Environ Prot. |
Town Of Southington |
$15,037,099.49 |
Connecticut State Checkbook |
| 2025 |
Department Of Development Serv |
Dungarvin Connecticut Llc |
$15,036,140.20 |
Connecticut State Checkbook |
| 2023 |
Department Of Development Serv |
Harc Inc |
$15,033,637.83 |
Connecticut State Checkbook |
| 2021 |
Office Of Health Strategy |
University Of Connecticut |
$15,024,511.12 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Achievement First Hartford Academy Inc |
$15,002,689.29 |
Connecticut State Checkbook |
| 2024 |
Econ. & Community Development |
Cdp Connecticut Loan Fund Inc |
$15,000,000.00 |
Connecticut State Checkbook |
| 2018 |
Department Of Economic & Community Development |
Aqr Capital Management Llc |
$15,000,000.00 |
Connecticut State Checkbook |
| 2022 |
Department Of Development Serv |
Ability Beyond Disability Inc |
$14,999,354.02 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
New Flyer Of America Inc |
$14,996,476.32 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Town Of Bloomfield |
$14,989,177.11 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
City Of Derby |
$14,977,394.17 |
Connecticut State Checkbook |
| 2024 |
Department Of Development Serv |
Star Inc Lighting The Way |
$14,974,943.63 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Wethersfield Town Treasurer |
$14,968,556.42 |
Connecticut State Checkbook |
| 2024 |
Doc - Correctional Industries |
Keefe Group Llc |
$14,968,462.25 |
Connecticut State Checkbook |
| 2016 |
Department Of Administrative Services |
Town Of Enfield |
$14,967,717.00 |
Connecticut State Checkbook |
| 2019 |
Department Of Development Serv |
Primecare Inc |
$14,954,531.36 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Wolcott Town Treasurer |
$14,952,950.00 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Town Of South Windsor |
$14,940,250.28 |
Connecticut State Checkbook |
| 2023 |
Office Of Policy & Management |
Town Of New London |
$14,932,489.78 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
Freightliner Of Hartford |
$14,924,906.86 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Children And Families |
Community Health Resources Inc |
$14,922,796.00 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Town Of Montville |
$14,918,256.46 |
Connecticut State Checkbook |
| 2018 |
Office Of Policy & Management |
New Britain City Treasurer |
$14,905,959.23 |
Connecticut State Checkbook |
| 2023 |
Department Of Development Serv |
Journey Found Inc |
$14,897,038.65 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Town Of Montville |
$14,885,526.28 |
Connecticut State Checkbook |
| 2021 |
Department Of Development Serv |
Dept Of Administrative Services |
$14,884,755.06 |
Connecticut State Checkbook |
| 2021 |
Ccc - Norwalk |
Community College System Office |
$14,880,834.89 |
Connecticut State Checkbook |
| 2018 |
Department Of Mental Heath And Addiction Services |
Community Mental Health Affiliates Inc |
$14,877,618.23 |
Connecticut State Checkbook |
| 2019 |
Department Of Development Serv |
Undisclosed |
$14,864,532.27 |
Connecticut State Checkbook |
| 2024 |
Department Of Development Serv |
Marc Inc Of Manchester |
$14,860,444.56 |
Connecticut State Checkbook |