| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2020 |
Department Of Development Serv |
Undisclosed |
$17,177,344.94 |
Connecticut State Checkbook |
| 2023 |
Department Of Development Serv |
Sunrise Northeast Inc |
$17,167,587.47 |
Connecticut State Checkbook |
| 2023 |
Dept Of Administrative Svcs |
Town Of New London |
$17,163,856.08 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Town Of New Milford |
$17,161,098.55 |
Connecticut State Checkbook |
| 2021 |
Mental Health & Addiction Serv |
Community Mental Health Affiliates Inc |
$17,135,326.37 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Town Of Griswold |
$17,116,789.66 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Newington Town Treasurer |
$17,074,949.36 |
Connecticut State Checkbook |
| 2020 |
Department Of Development Serv |
Mosaic |
$17,067,649.26 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Town Of Montville |
$17,064,580.65 |
Connecticut State Checkbook |
| 2022 |
Teachers' Retirement Board |
Cigna Health And Life Insurance Company |
$17,058,721.63 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
City Of Milford |
$17,057,588.16 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Correction |
Hpc Foodservice |
$17,051,709.05 |
Connecticut State Checkbook |
| 2016 |
Office Of Early Childhood |
City Of Bridgeport |
$17,042,381.00 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Town Of Windsor |
$17,031,258.26 |
Connecticut State Checkbook |
| 2016 |
Department Of Developmental Services |
Dept Of Administrative Services |
$17,022,150.67 |
Connecticut State Checkbook |
| 2024 |
Department Of Development Serv |
Continuum Of Care Inc |
$17,010,411.46 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Transportation |
Banton Construction Company Inc |
$16,998,876.13 |
Connecticut State Checkbook |
| 2017 |
Department Of Developmental Services |
Dept Of Administrative Services |
$16,996,484.10 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Children And Families |
The Connection Inc |
$16,986,366.00 |
Connecticut State Checkbook |
| 2020 |
Mental Health & Addiction Serv |
Dept Of Administrative Services |
$16,985,646.07 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Transportation |
K2 Infrastructure Group Inc |
$16,968,853.84 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Children And Families |
Beacon Health Options Inc |
$16,968,448.39 |
Connecticut State Checkbook |
| 2022 |
Mental Health & Addiction Serv |
Continuum Of Care Inc |
$16,967,463.21 |
Connecticut State Checkbook |
| 2023 |
Department Of Development Serv |
The Arc Of The Farmington Valley Inc |
$16,949,427.49 |
Connecticut State Checkbook |
| 2016 |
Department Of Administrative Services |
Barr & Barr Inc |
$16,948,544.43 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Town Of South Windsor |
$16,945,947.13 |
Connecticut State Checkbook |
| 2025 |
Office Of Early Childhood |
United Way Of Connecticut Inc |
$16,932,705.60 |
Connecticut State Checkbook |
| 2023 |
Department Of Development Serv |
Ability Beyond Disability Inc |
$16,932,676.38 |
Connecticut State Checkbook |
| 2025 |
Office Of Policy & Management |
Town Of East Hartford Town Treasurer |
$16,931,734.46 |
Connecticut State Checkbook |
| 2025 |
State Comptroller's Office |
Accenture Llp |
$16,926,596.50 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Town Of Windsor |
$16,923,339.45 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Town Of Windsor |
$16,920,393.02 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
Am Rizzo Electrical Contractors Inc |
$16,918,409.74 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Achievement First Hartford Academy Inc |
$16,897,060.82 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Wolcott Town Treasurer |
$16,892,985.96 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
City Of Derby |
$16,868,534.01 |
Connecticut State Checkbook |
| 2019 |
Office Of Early Childhood |
City Of Bridgeport |
$16,851,453.00 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
A I Engineers Inc |
$16,844,940.11 |
Connecticut State Checkbook |
| 2018 |
Department Of Social Services |
Beacon Health Options Inc |
$16,836,834.44 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Transportation |
A I Engineers Inc |
$16,833,645.98 |
Connecticut State Checkbook |
| 2024 |
Office Of Early Childhood |
United Way Of Connecticut Inc |
$16,832,109.30 |
Connecticut State Checkbook |
| 2017 |
Public Defender Services |
Removed For Privacy |
$16,828,224.92 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Town Of Montville |
$16,826,221.09 |
Connecticut State Checkbook |
| 2021 |
Office Of Policy & Management |
Norwalk Town Treasurer |
$16,824,512.19 |
Connecticut State Checkbook |
| 2016 |
State Comptroller |
Sipos Law Pllc |
$16,800,000.00 |
Connecticut State Checkbook |
| 2021 |
Department Of Development Serv |
Vinfen Corporation Of Connecticut Inc |
$16,795,139.18 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
Mcnamee Construction Corp |
$16,775,678.73 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Wsp Usa Inc |
$16,759,910.90 |
Connecticut State Checkbook |
| 2016 |
Department Of Children And Families |
The Connection Inc |
$16,757,467.00 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Town Of Ledyard |
$16,752,096.62 |
Connecticut State Checkbook |
| 2023 |
Office Of Policy & Management |
City Of Bristol |
$16,748,363.37 |
Connecticut State Checkbook |
| 2021 |
Teachers' Retirement Board |
Cigna Health And Life Insurance Company |
$16,737,284.80 |
Connecticut State Checkbook |
| 2023 |
Department Of Development Serv |
Undisclosed |
$16,724,217.54 |
Connecticut State Checkbook |
| 2021 |
Office Of Policy & Management |
City Of Danbury |
$16,699,229.77 |
Connecticut State Checkbook |
| 2019 |
Dept Of Administrative Svcs |
Area Cooperative Educational Services |
$16,693,938.00 |
Connecticut State Checkbook |
| 2022 |
Department Of Development Serv |
Sunrise Northeast Inc |
$16,690,178.52 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Public Health |
Magellan Rx Management Llc |
$16,670,157.56 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Amistad Academy |
$16,665,489.25 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Town Of New Milford |
$16,661,969.04 |
Connecticut State Checkbook |
| 2023 |
Department Of Development Serv |
Ices Inc |
$16,658,016.20 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Middlesex Corporation |
$16,655,046.65 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Town Of Montville |
$16,643,513.24 |
Connecticut State Checkbook |
| 2020 |
Department Of Development Serv |
The Caring Community Of Connecticut Inc |
$16,638,150.61 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Area Cooperative Educational Services |
$16,633,080.92 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Town Of Colchester Town Treasurer |
$16,626,682.19 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Town Of Montville |
$16,619,328.34 |
Connecticut State Checkbook |
| 2019 |
Public Defender Services |
Undisclosed |
$16,616,471.01 |
Connecticut State Checkbook |
| 2019 |
Teachers' Retirement Board |
Cigna Health And Life Insurance Company |
$16,600,414.17 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
Greater Bridgeport Transit Authority |
$16,597,586.18 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Public Health |
Merck Human Health |
$16,588,668.70 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Seymour Town Treasurer |
$16,573,955.76 |
Connecticut State Checkbook |
| 2021 |
Department Of Development Serv |
The Caring Community Of Connecticut Inc |
$16,573,949.15 |
Connecticut State Checkbook |
| 2022 |
Department Of Development Serv |
Undisclosed |
$16,564,454.02 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Children And Families |
Dept Of Children And Families |
$16,562,271.27 |
Connecticut State Checkbook |
| 2021 |
Department Of Development Serv |
Sunrise Northeast Inc |
$16,553,509.01 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Public Health |
Merck Human Health |
$16,553,102.82 |
Connecticut State Checkbook |
| 2016 |
Department Of Transportation |
Northeast Transportation Co Inc |
$16,538,242.95 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Wolcott Town Treasurer |
$16,536,407.79 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Transportation |
Am Rizzo Electrical Contractors Inc |
$16,531,000.39 |
Connecticut State Checkbook |
| 2023 |
Department Of Development Serv |
Continuum Of Care Inc |
$16,530,370.74 |
Connecticut State Checkbook |
| 2018 |
Public Defender Services |
Removed For Privacy |
$16,485,035.03 |
Connecticut State Checkbook |
| 2024 |
Dept Of Energy & Environ Prot. |
City Of Norwich |
$16,484,317.04 |
Connecticut State Checkbook |
| 2019 |
Department Of Development Serv |
Dept Of Administrative Services |
$16,481,125.57 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Town Of Plainville |
$16,477,202.35 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Public Health |
South Central Connecticut Regional Water Authority |
$16,469,814.07 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Nosal Builders Inc |
$16,462,275.25 |
Connecticut State Checkbook |
| 2016 |
Department Of Children And Families |
Dept Of Administrative Services |
$16,459,438.95 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Town Of Watertown |
$16,450,284.57 |
Connecticut State Checkbook |
| 2022 |
Ccc - Gateway |
Community College System Office |
$16,448,683.60 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Learn |
$16,446,721.87 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Town Of Watertown |
$16,444,866.72 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Transportation |
City Of New Haven |
$16,442,045.58 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
City Of Milford |
$16,440,861.47 |
Connecticut State Checkbook |
| 2016 |
Department Of Economic & Community Development |
Edac Technologies Corporation Gros-Ite Industries |
$16,435,000.00 |
Connecticut State Checkbook |
| 2018 |
Department Of Children And Families |
The Connection Inc |
$16,426,000.00 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
Norwalk Transit District |
$16,423,387.71 |
Connecticut State Checkbook |
| 2025 |
Department Of Development Serv |
Continuum Of Care Inc |
$16,415,755.20 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Banton Construction Company Inc |
$16,372,453.56 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Area Cooperative Educational Services |
$16,355,909.50 |
Connecticut State Checkbook |
| 2016 |
Department Of Social Services |
Office Of Early Childhood |
$16,317,015.98 |
Connecticut State Checkbook |