| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2019 |
State Dept Of Education |
City Of Bristol |
$58,098,941.62 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
City Of Bristol |
$57,547,423.78 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
O&G/Bhd Jv |
$57,395,654.39 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Town Of New London |
$57,069,956.28 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Cianbro/Middlesex Xv A Joint Venture |
$57,062,277.90 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Transportation |
Rotha Contracting Company Inc |
$57,053,477.32 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
City Of Danbury |
$56,703,085.75 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
City Of Bristol |
$56,678,873.97 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
West Haven Town Treasurer |
$56,548,645.19 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Tilcon Connecticut Inc |
$56,440,617.04 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
City Of Bristol |
$56,376,336.20 |
Connecticut State Checkbook |
| 2025 |
Office Of Policy & Management |
City Of Bridgeport |
$56,100,417.85 |
Connecticut State Checkbook |
| 2019 |
Econ. & Community Development |
Electric Boat/General Dynamics |
$55,618,615.00 |
Connecticut State Checkbook |
| 2021 |
Dept Of Energy & Environ Prot. |
Metropolitan District |
$55,292,390.50 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Norwalk Town Treasurer |
$55,096,707.93 |
Connecticut State Checkbook |
| 2017 |
Uconn Health Center |
Capital Area Health Consortium |
$55,078,317.19 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Town Of Hamden |
$55,018,392.12 |
Connecticut State Checkbook |
| 2023 |
Dept Of Emrg Svc & Public Prot |
Dept Of Corrections |
$54,984,732.11 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
West Haven Town Treasurer |
$54,868,940.07 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
West Haven Town Treasurer |
$54,719,120.89 |
Connecticut State Checkbook |
| 2020 |
Dept Of Energy & Environ Prot. |
Metropolitan District |
$54,610,606.37 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Tilcon Connecticut Inc |
$54,485,509.99 |
Connecticut State Checkbook |
| 2023 |
Office Of Policy & Management |
Waterbury Town Treasurer |
$54,285,335.77 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Town Of Windham |
$53,870,977.57 |
Connecticut State Checkbook |
| 2024 |
Teachers' Retirement Board |
United Healthcare Insurance Company |
$53,611,640.83 |
Connecticut State Checkbook |
| 2019 |
Capital Reg Dev Authority |
Capital Region Development Authority |
$53,577,160.00 |
Connecticut State Checkbook |
| 2017 |
Department Of Transportation |
O & G Industries Inc |
$53,538,714.60 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Town Of Hamden |
$53,311,156.19 |
Connecticut State Checkbook |
| 2022 |
Department Of Development Serv |
Sunset Shores Of Milford Inc |
$53,172,748.64 |
Connecticut State Checkbook |
| 2021 |
Office Of Policy & Management |
City Of Bridgeport |
$52,795,117.56 |
Connecticut State Checkbook |
| 2021 |
Dept Of Administrative Svcs |
Capitol Region Education Council |
$52,513,746.40 |
Connecticut State Checkbook |
| 2019 |
Ct Innovations Inc |
Ct Innovations Incorporated |
$52,373,390.22 |
Connecticut State Checkbook |
| 2024 |
Department Of Development Serv |
The Connecticut Institute For The Blind Inc |
$52,290,265.05 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Social Services |
Community Health Center Inc |
$51,729,360.00 |
Connecticut State Checkbook |
| 2024 |
Dept Of Administrative Svcs |
Gilbane Building Company |
$51,368,808.19 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
City Of Norwich |
$51,123,250.75 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Transportation |
Walsh Construction Company Ii Llc |
$51,104,185.22 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Town Of New London |
$51,050,356.05 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
City Of Danbury |
$50,587,499.68 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
City Of Norwich |
$50,490,161.66 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
O & G Industries Inc |
$50,385,548.61 |
Connecticut State Checkbook |
| 2025 |
Department Of Development Serv |
The Connecticut Institute For The Blind Inc |
$50,159,769.66 |
Connecticut State Checkbook |
| 2021 |
Econ. & Community Development |
Sofi Lending Corp |
$50,000,000.00 |
Connecticut State Checkbook |
| 2020 |
Econ. & Community Development |
Sofi Lending Corp |
$50,000,000.00 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Norwalk Town Treasurer |
$49,982,659.19 |
Connecticut State Checkbook |
| 2023 |
Teachers' Retirement Board |
United Healthcare Insurance Company |
$49,889,689.47 |
Connecticut State Checkbook |
| 2025 |
Office Of Policy & Management |
Waterbury Town Treasurer |
$49,828,391.69 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Town Of Manchester |
$49,684,703.09 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
City Of Danbury |
$49,663,795.52 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Town Of Windham |
$49,547,201.15 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Town Of Windham |
$49,267,274.68 |
Connecticut State Checkbook |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |