| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2025 |
State Dept Of Education |
City Of Derby |
$15,931,392.44 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
Greater Bridgeport Transit Authority |
$15,929,208.30 |
Connecticut State Checkbook |
| 2018 |
Teachers' Retirement Board |
Cigna Health And Life Insurance Company |
$15,928,529.41 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Town Of Bloomfield |
$15,909,810.01 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Town Of Colchester Town Treasurer |
$15,902,318.08 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Mcnamee Construction Corp |
$15,899,275.84 |
Connecticut State Checkbook |
| 2017 |
Department Of Developmental Services |
Sunrise Northeast Inc |
$15,862,704.47 |
Connecticut State Checkbook |
| 2025 |
Office Of Policy & Management |
Mansfield Town Treasurer |
$15,833,197.65 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Area Cooperative Educational Services |
$15,829,176.76 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Transportation |
Wsp Usa Inc |
$15,827,208.91 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Town Of Watertown |
$15,816,454.87 |
Connecticut State Checkbook |
| 2023 |
Dept Of Emrg Svc & Public Prot |
Yale University |
$15,815,842.22 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Area Cooperative Educational Services |
$15,815,364.49 |
Connecticut State Checkbook |
| 2024 |
Dept Of Administrative Svcs |
Dell Marketing Lp |
$15,801,503.71 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
Middlesex Corporation |
$15,794,621.87 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Learn |
$15,794,404.54 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Town Of Plainville |
$15,790,923.68 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Children And Families |
The Connection Inc |
$15,788,021.00 |
Connecticut State Checkbook |
| 2025 |
Doc - Correctional Industries |
Keefe Group Llc |
$15,773,918.29 |
Connecticut State Checkbook |
| 2023 |
Department Of Development Serv |
Midstate Arc Inc |
$15,766,284.87 |
Connecticut State Checkbook |
| 2018 |
Department Of Mental Heath And Addiction Services |
Dept Of Administrative Services |
$15,750,042.94 |
Connecticut State Checkbook |
| 2019 |
Department Of Development Serv |
Sunrise Northeast Inc |
$15,743,168.42 |
Connecticut State Checkbook |
| 2017 |
Department Of Transportation |
Yonkers Contracting Company Inc |
$15,742,098.13 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
City Of Derby |
$15,736,116.54 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Town Of New Milford |
$15,727,566.35 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
Maritime Place Parcel 6 Llc |
$15,715,000.00 |
Connecticut State Checkbook |
| 2022 |
Department Of Housing |
Cohnreznick Llp |
$15,713,939.38 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Wolcott Town Treasurer |
$15,711,651.95 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Newington Town Treasurer |
$15,711,175.93 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Correction |
Quest Diagnostics Incorporated |
$15,710,224.08 |
Connecticut State Checkbook |
| 2019 |
Department Of Development Serv |
Mosaic |
$15,704,137.16 |
Connecticut State Checkbook |
| 2025 |
Dept Of Energy & Environ Prot. |
Center For Sustainable Energy |
$15,700,996.00 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Achievement First Bridgeport Academy Inc |
$15,676,915.42 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Town Of Griswold |
$15,664,340.06 |
Connecticut State Checkbook |
| 2022 |
Department Of Development Serv |
Ices Inc |
$15,662,209.01 |
Connecticut State Checkbook |
| 2024 |
Office Of Policy & Management |
Mansfield Town Treasurer |
$15,661,976.48 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Town Of Watertown |
$15,661,767.69 |
Connecticut State Checkbook |
| 2023 |
Office Of Policy & Management |
Stratford Town Treasurer |
$15,661,397.90 |
Connecticut State Checkbook |
| 2017 |
Department Of Developmental Services |
Key Human Services Inc |
$15,655,165.68 |
Connecticut State Checkbook |
| 2017 |
Department Of Mental Heath And Addiction Services |
Dept Of Administrative Services |
$15,637,563.48 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Transportation |
Ferguson Electric Company Inc |
$15,622,524.41 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Public Health |
Amn Healthcare Inc |
$15,622,389.37 |
Connecticut State Checkbook |
| 2023 |
Office Of Policy & Management |
Town Of West Hartford |
$15,620,192.34 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Learn |
$15,616,180.05 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Town Of Ledyard |
$15,595,680.82 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
Atsalis Brothers Painting Co |
$15,592,740.07 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Town Of Shelton |
$15,592,664.90 |
Connecticut State Checkbook |
| 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 |
| 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 |
| 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 |
| 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 |
| 2024 |
Dept. Of Transportation |
Ny Conn Corp |
$15,275,528.71 |
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 |
| 2025 |
Office Of Early Childhood |
City Of Bridgeport |
$15,175,179.51 |
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 |