| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2016 |
Department Of Administrative Services |
City Of New Haven |
$35,379,487.00 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Town Of Hamden |
$35,287,710.64 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Middlesex Corporation |
$35,172,242.53 |
Connecticut State Checkbook |
| 2024 |
Capital Reg Dev Authority |
Capital Region Development Authority |
$35,125,001.00 |
Connecticut State Checkbook |
| 2018 |
Department Of Public Health |
Dept Of Public Health |
$35,081,977.71 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Transportation |
Manafort Brothers Inc |
$35,079,571.13 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Rotha Contr Co Inc |
$35,073,822.97 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Town Of Enfield |
$35,066,490.02 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Stratford Town Treasurer |
$35,060,437.04 |
Connecticut State Checkbook |
| 2023 |
Econ. & Community Development |
Connecticut Humanities Council Inc |
$35,042,942.00 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Town Of Groton |
$35,038,361.12 |
Connecticut State Checkbook |
| 2017 |
Board Of Regents |
Eastern Connecticut State University |
$35,012,692.45 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Naugatuck Town Treasurer |
$34,994,027.59 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Naugatuck Town Treasurer |
$34,991,830.91 |
Connecticut State Checkbook |
| 2016 |
Department Of Transportation |
Mohawk Northeast Inc |
$34,958,799.92 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
Am Rizzo Electrical Contractors Inc |
$34,901,280.69 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Town Of Groton |
$34,878,297.54 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Town Of Enfield |
$34,760,405.38 |
Connecticut State Checkbook |
| 2024 |
Department Of Development Serv |
Gt Independence |
$34,626,642.55 |
Connecticut State Checkbook |
| 2019 |
Ct Housing & Fin. Authority |
Connecticut Housing Finance Authority |
$34,603,313.89 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Correction |
Dept Of Administrative Services |
$34,575,094.14 |
Connecticut State Checkbook |
| 2017 |
Department Of Transportation |
Middlesex Corporation |
$34,540,265.07 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Norwalk Town Treasurer |
$34,466,018.39 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Town Of Enfield |
$34,446,877.60 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Town Of Hamden |
$34,379,137.30 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Manafort Brothers Inc |
$34,336,642.80 |
Connecticut State Checkbook |
| 2018 |
Connecticut Housing Finance Authority |
Connecticut Housing Finance Authority |
$34,336,428.60 |
Connecticut State Checkbook |
| 2024 |
Department Of Development Serv |
Allied Community Resources Inc |
$34,296,680.04 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Correction |
Dept Of Administrative Services |
$34,226,711.68 |
Connecticut State Checkbook |
| 2023 |
Department Of Development Serv |
Rms Development Inc |
$34,176,591.65 |
Connecticut State Checkbook |
| 2024 |
Department Of Development Serv |
Rms Development Inc |
$34,172,564.50 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Public Health |
Magellan Rx Management Llc |
$34,121,307.29 |
Connecticut State Checkbook |
| 2025 |
Department Of Development Serv |
Rms Development Inc |
$34,098,419.31 |
Connecticut State Checkbook |
| 2022 |
Department Of Development Serv |
Community Residences Inc |
$34,084,309.38 |
Connecticut State Checkbook |
| 2017 |
Department Of Administrative Services |
Capital Region Development Authority |
$34,075,804.68 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
American Bridge Company |
$34,024,229.55 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Connecticut Technical Education And Career System |
$33,995,795.44 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Stratford Town Treasurer |
$33,988,023.43 |
Connecticut State Checkbook |
| 2022 |
Office Of Policy & Management |
Waterbury Town Treasurer |
$33,986,949.39 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Torrington Town Treasurer |
$33,847,122.43 |
Connecticut State Checkbook |
| 2025 |
Department Of Development Serv |
Marrakech Housing Options Inc |
$33,739,004.41 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Town Of Wallingford Treasurer Office |
$33,706,916.57 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Town Of Southington |
$33,698,887.04 |
Connecticut State Checkbook |
| 2016 |
Connecticut Housing Finance Authority |
Connecticut Housing Finance Authority |
$33,679,782.87 |
Connecticut State Checkbook |
| 2017 |
Department Of Social Services |
Connecticut Health Insurance Exchange |
$33,619,491.63 |
Connecticut State Checkbook |
| 2018 |
Department Of Developmental Services |
Allied Community Resources Inc |
$33,389,735.76 |
Connecticut State Checkbook |
| 2017 |
Department Of Developmental Services |
Allied Community Resources Inc |
$33,254,276.47 |
Connecticut State Checkbook |
| 2016 |
Board Of Regents |
Eastern Connecticut State University |
$33,214,985.33 |
Connecticut State Checkbook |
| 2019 |
Csu - Eastern |
Eastern Connecticut State University |
$33,000,000.00 |
Connecticut State Checkbook |
| 2022 |
Csu - Eastern |
Eastern Connecticut State University |
$33,000,000.00 |
Connecticut State Checkbook |
| 2017 |
Board Of Regents |
Western Connecticut State University |
$32,844,683.50 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Town Of Wallingford Treasurer Office |
$32,734,277.92 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Town Of Wallingford Treasurer Office |
$32,690,162.05 |
Connecticut State Checkbook |
| 2018 |
Office Of Policy & Management |
City Of Bridgeport |
$32,640,478.36 |
Connecticut State Checkbook |
| 2017 |
Office Of Policy & Management |
Waterbury Town Treasurer |
$32,606,780.41 |
Connecticut State Checkbook |
| 2025 |
Public Defender Services |
Undisclosed |
$32,529,296.03 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Town Of Middletown |
$32,487,787.60 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Revenue Services |
Dept Of Revenue Services |
$32,440,000.00 |
Connecticut State Checkbook |
| 2022 |
Department Of Housing |
Connecticut Foundation Solutions Indemnity Company Inc |
$32,434,720.95 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Rotha Contr Co Inc |
$32,337,246.30 |
Connecticut State Checkbook |
| 2020 |
Department Of Development Serv |
Community Residences Inc |
$32,318,394.48 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Social Services |
Deloitte Consulting Llp |
$32,315,812.03 |
Connecticut State Checkbook |
| 2023 |
Office Of Policy & Management |
New Britain City Treasurer |
$32,281,680.07 |
Connecticut State Checkbook |
| 2024 |
Department Of Development Serv |
Marrakech Housing Options Inc |
$32,228,910.75 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Town Of West Hartford |
$32,218,438.51 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
Rotha Contr Co Inc |
$32,191,202.40 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Town Of West Hartford |
$32,151,745.11 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Town Of Groton |
$32,105,978.87 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Public Health |
Magellan Rx Management Llc |
$32,096,171.26 |
Connecticut State Checkbook |
| 2016 |
Department Of Transportation |
Rizzo Corp |
$32,055,156.29 |
Connecticut State Checkbook |
| 2023 |
Csu - Eastern |
Eastern Connecticut State University |
$32,000,000.00 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Town Of West Hartford Dir Of Finance Office |
$31,995,205.68 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Torrington Town Treasurer |
$31,960,044.70 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Norwalk Town Treasurer |
$31,893,279.07 |
Connecticut State Checkbook |
| 2024 |
Public Defender Services |
Undisclosed |
$31,880,356.85 |
Connecticut State Checkbook |
| 2020 |
Capital Reg Dev Authority |
Capital Region Development Authority |
$31,876,844.75 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
Manafort Brothers Inc |
$31,854,694.15 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Correction |
Dept Of Administrative Services |
$31,809,942.63 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Town Of Wallingford Treasurer Office |
$31,784,533.79 |
Connecticut State Checkbook |
| 2024 |
Department Of Development Serv |
Mosaic |
$31,760,580.49 |
Connecticut State Checkbook |
| 2018 |
Department Of Mental Heath And Addiction Services |
Dept Of Social Services |
$31,758,202.79 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Torrington Town Treasurer |
$31,730,915.36 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Torrington Town Treasurer |
$31,667,885.21 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Town Of East Haven |
$31,659,859.25 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Transportation |
Greater Hartford Transit Distrct |
$31,622,127.06 |
Connecticut State Checkbook |
| 2021 |
Comm. College System Office |
Community College System Office |
$31,600,000.00 |
Connecticut State Checkbook |
| 2018 |
Department Of Developmental Services |
Sunset Shores Of Milford Inc |
$31,493,177.88 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Town Of Southington |
$31,470,690.52 |
Connecticut State Checkbook |
| 2016 |
Office Of Policy & Management |
City Of Bridgeport |
$31,394,430.10 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Stratford Town Treasurer |
$31,333,429.91 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Town Of Groton |
$31,315,392.19 |
Connecticut State Checkbook |
| 2021 |
Department Of Development Serv |
Community Residences Inc |
$31,233,641.54 |
Connecticut State Checkbook |
| 2016 |
Department Of Transportation |
American Industries Inc |
$31,217,742.45 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
Tilcon Connecticut Inc |
$31,190,806.37 |
Connecticut State Checkbook |
| 2019 |
Office Of Policy & Management |
City Of Bridgeport |
$31,147,438.51 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
City Of Ansonia Town Treasurer |
$31,103,318.88 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Town Of Groton |
$31,078,560.41 |
Connecticut State Checkbook |
| 2025 |
Department Of Development Serv |
Abilis Inc |
$31,075,229.46 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Am Rizzo Electrical Contractors Inc |
$31,046,829.65 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
American Industries Inc |
$31,018,643.84 |
Connecticut State Checkbook |