| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2024 |
Dept. Of Transportation |
Mohawk Northeast Inc |
$49,240,041.66 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Empire Paving Inc |
$49,171,464.71 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Transportation |
Mohawk Northeast Inc |
$49,140,031.74 |
Connecticut State Checkbook |
| 2021 |
Department Of Housing |
Yardi Systems Inc |
$49,108,000.00 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Correction |
Global Healthcare Product Solutions Llc |
$49,106,329.60 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
City Of Norwich |
$49,090,323.72 |
Connecticut State Checkbook |
| 2019 |
Dept Of Administrative Svcs |
O & G Industries Inc |
$49,043,323.25 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
City Of Stamford |
$49,013,821.19 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Town Of New London |
$48,805,362.89 |
Connecticut State Checkbook |
| 2023 |
Dept Of Administrative Svcs |
New Britain City Treasurer |
$48,743,120.66 |
Connecticut State Checkbook |
| 2017 |
Department Of Transportation |
Tilcon Connecticut Inc |
$48,725,929.18 |
Connecticut State Checkbook |
| 2016 |
Department Of Social Services |
Connecticut Health Insurance Exchange |
$48,664,580.41 |
Connecticut State Checkbook |
| 2025 |
Dept Of Energy & Environ Prot. |
City Of Norwich |
$48,563,389.09 |
Connecticut State Checkbook |
| 2021 |
Department Of Development Serv |
Sunset Shores Of Milford Inc |
$48,513,424.56 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Town Of Manchester |
$48,500,269.86 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
City Of Norwich |
$48,469,655.88 |
Connecticut State Checkbook |
| 2021 |
Capital Reg Dev Authority |
Capital Region Development Authority |
$48,318,785.41 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Town Of New London |
$47,724,445.33 |
Connecticut State Checkbook |
| 2016 |
Department Of Administrative Services |
Capital Region Development Authority |
$47,647,362.36 |
Connecticut State Checkbook |
| 2023 |
Ct Housing & Fin. Authority |
Connecticut Housing Finance Authority |
$47,577,186.04 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Naugatuck Town Treasurer |
$47,496,343.34 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
City Of Danbury |
$47,487,341.35 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
Empire Paving Inc |
$47,250,027.53 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
I-84 Constructors Jv |
$47,166,524.41 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Transportation |
Freightliner Of Hartford Inc |
$47,114,533.75 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
City Of Norwich |
$47,111,245.38 |
Connecticut State Checkbook |
| 2016 |
Office Of Policy & Management |
City Of Hartford |
$47,077,225.68 |
Connecticut State Checkbook |
| 2023 |
Dept Of Energy & Environ Prot. |
Metropolitan District |
$47,006,229.79 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Public Health |
Prime Therapeutics Management Llc |
$46,883,138.74 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Labor |
Department Of Labor |
$46,850,000.00 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Stratford Town Treasurer |
$46,807,003.81 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
City Of Danbury |
$46,750,028.23 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Town Of Manchester |
$46,746,008.70 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
City Of Danbury |
$46,660,710.47 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
Walsh Construction Company Ii Llc |
$46,637,199.68 |
Connecticut State Checkbook |
| 2018 |
Uconn Health Center |
Amerisourcebergen Corporation |
$46,620,182.43 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Town Of Hamden |
$46,598,268.35 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Town Of Enfield |
$46,555,219.04 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Town Of New London |
$46,411,310.23 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Stratford Town Treasurer |
$46,305,628.96 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Norwalk Town Treasurer |
$46,206,124.33 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Norwalk Town Treasurer |
$46,132,630.42 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Town Of New London |
$46,092,568.53 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Town Of Hamden |
$45,823,362.84 |
Connecticut State Checkbook |
| 2018 |
Department Of Administrative Services |
Gilbane Building Co |
$45,811,763.32 |
Connecticut State Checkbook |
| 2020 |
Department Of Development Serv |
Sunset Shores Of Milford Inc |
$45,797,230.71 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Town Of New London |
$45,752,449.52 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Stratford Town Treasurer |
$45,660,169.58 |
Connecticut State Checkbook |
| 2017 |
Department Of Administrative Services |
City Of New Haven |
$45,633,471.00 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Naugatuck Town Treasurer |
$45,580,808.69 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Town Of Manchester |
$45,580,370.14 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Town Of West Hartford Dir Of Finance Office |
$45,427,845.28 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
City Of Stamford |
$45,368,336.73 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Town Of New London |
$45,210,653.26 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Town Of West Hartford |
$45,182,485.91 |
Connecticut State Checkbook |
| 2018 |
Teachers' Retirement Board |
Stirling Benefits Inc |
$45,139,163.36 |
Connecticut State Checkbook |
| 2020 |
Dept Of Administrative Svcs |
Gilbane Building Co |
$45,057,845.20 |
Connecticut State Checkbook |
| 2021 |
Dept Of Administrative Svcs |
Morganti Group Inc |
$44,938,165.19 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Naugatuck Town Treasurer |
$44,771,135.08 |
Connecticut State Checkbook |
| 2018 |
Department Of Environmental Protection |
Farmington Town Treasurer |
$44,704,759.44 |
Connecticut State Checkbook |
| 2023 |
Department Of Development Serv |
The Connecticut Institute For The Blind Inc |
$44,667,185.03 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Public Health |
Dept Of Public Health |
$44,493,139.42 |
Connecticut State Checkbook |
| 2020 |
Dept Of Administrative Svcs |
Capitol Region Education Council |
$44,488,022.82 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Transportation |
O & G Industries Inc |
$44,387,047.69 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Stratford Town Treasurer |
$44,379,668.14 |
Connecticut State Checkbook |
| 2025 |
Dept Of Administrative Svcs |
City Of Bridgeport |
$44,309,545.00 |
Connecticut State Checkbook |
| 2017 |
Department Of Transportation |
O&g Industries/tutor Perini Corp Jv |
$44,168,075.92 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Am Rizzo Electrical Contractors Inc |
$44,040,115.70 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Town Of West Hartford |
$43,974,183.00 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Town Of Windham |
$43,783,514.86 |
Connecticut State Checkbook |
| 2024 |
Department Of Development Serv |
Sunset Shores Of Milford Inc |
$43,740,515.11 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
City Of Stamford |
$43,585,290.35 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Torrington Town Treasurer |
$43,462,001.19 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Town Of Manchester |
$43,389,142.99 |
Connecticut State Checkbook |
| 2023 |
Department Of Development Serv |
Allied Community Resources Inc |
$43,168,412.88 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
City Of Stamford |
$43,078,969.56 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Public Health |
Dept Of Public Health |
$43,041,941.06 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Town Of Manchester |
$43,014,629.68 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Town Of West Hartford |
$42,891,456.36 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Walsh Construction Company Ii Llc |
$42,855,325.64 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Correction |
Diamond Pharmacy Services |
$42,687,655.82 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Middlesex Corporation |
$42,610,984.66 |
Connecticut State Checkbook |
| 2016 |
Department Of Transportation |
Manafort Brothers Inc |
$42,416,534.61 |
Connecticut State Checkbook |
| 2021 |
Office Of Policy & Management |
Waterbury Town Treasurer |
$42,392,368.23 |
Connecticut State Checkbook |
| 2017 |
University Of Connecticut |
Turner Construction Co |
$42,333,110.86 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Naugatuck Town Treasurer |
$42,264,768.84 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
Freightliner Of Hartford Inc |
$42,104,663.83 |
Connecticut State Checkbook |
| 2017 |
Teachers' Retirement Board |
Stirling Benefits Inc |
$41,893,301.44 |
Connecticut State Checkbook |
| 2016 |
Department Of Public Health |
Dept Of Public Health |
$41,852,194.15 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Town Of West Hartford |
$41,838,932.91 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Town Of Windham |
$41,762,193.09 |
Connecticut State Checkbook |
| 2025 |
Econ. & Community Development |
Ct Innovations Incorporated |
$41,648,893.00 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Norwalk Town Treasurer |
$41,214,477.70 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
O & G Industries Inc |
$41,130,707.03 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
Rotha Contracting Company Inc |
$41,060,418.13 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
City Of Stamford |
$41,041,743.97 |
Connecticut State Checkbook |
| 2018 |
State Comptroller |
Silverscript Insurance Company Llc |
$41,021,198.53 |
Connecticut State Checkbook |
| 2018 |
Department Of Administrative Services |
City Of Hartford |
$40,961,842.00 |
Connecticut State Checkbook |
| 2016 |
Department Of Administrative Services |
City Of Bridgeport |
$40,937,999.00 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Town Of Hamden |
$40,889,734.13 |
Connecticut State Checkbook |