| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2017 |
State Department Of Education |
City Of Stamford |
$40,760,426.84 |
Connecticut State Checkbook |
| 2017 |
Uconn Health Center |
Amerisourcebergen Corporation |
$40,759,569.69 |
Connecticut State Checkbook |
| 2021 |
Dept Of Administrative Svcs |
City Of Hartford |
$40,703,246.09 |
Connecticut State Checkbook |
| 2019 |
Dept Of Administrative Svcs |
Downes Construction Company Llc |
$40,590,139.92 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Town Of Windham |
$40,524,883.95 |
Connecticut State Checkbook |
| 2020 |
Ct Innovations Inc |
Ct Innovations Incorporated |
$40,319,425.18 |
Connecticut State Checkbook |
| 2016 |
Department Of Developmental Services |
Connecticut Institute For The Blind Inc |
$40,262,031.44 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Correction |
Easibuy Llc |
$40,187,625.00 |
Connecticut State Checkbook |
| 2018 |
Connecticut Innovations Incorporated |
Connecticut Innovations Inc |
$40,058,097.19 |
Connecticut State Checkbook |
| 2019 |
Department Of Housing |
Connecticut Foundation Solutions Indemnity Company Inc |
$40,000,000.00 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Torrington Town Treasurer |
$39,898,450.16 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
Middlesex Corporation |
$39,890,916.34 |
Connecticut State Checkbook |
| 2022 |
Office Of Policy & Management |
City Of Bridgeport |
$39,833,697.96 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Torrington Town Treasurer |
$39,741,619.42 |
Connecticut State Checkbook |
| 2017 |
Department Of Developmental Services |
Connecticut Institute For The Blind Inc |
$39,655,128.74 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Naugatuck Town Treasurer |
$39,631,330.88 |
Connecticut State Checkbook |
| 2016 |
Teachers' Retirement Board |
Stirling Benefits Inc |
$39,631,224.58 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Town Of Middletown |
$39,591,497.33 |
Connecticut State Checkbook |
| 2024 |
Dept Of Energy & Environ Prot. |
Eversource Cl&P |
$39,565,213.75 |
Connecticut State Checkbook |
| 2022 |
Department Of Development Serv |
The Connecticut Institute For The Blind Inc |
$39,530,962.48 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Town Of Enfield |
$39,494,149.73 |
Connecticut State Checkbook |
| 2021 |
Department Of Development Serv |
The Connecticut Institute For The Blind Inc |
$39,445,048.52 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Town Of Windham |
$39,261,733.59 |
Connecticut State Checkbook |
| 2022 |
Dept Of Administrative Svcs |
Town Of New London |
$39,239,437.07 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
Mohawk Northeast Inc |
$39,220,882.94 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Cianbro/Middlesex Xv A Joint Venture |
$39,192,275.16 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Town Of Windham |
$39,190,494.14 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Town Of Windham |
$39,093,401.05 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Public Health |
Dept Of Public Health |
$39,066,068.73 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Mohawk Northeast Inc |
$39,030,801.22 |
Connecticut State Checkbook |
| 2020 |
Csu - Eastern |
Eastern Connecticut State University |
$39,000,000.00 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Town Of Groton |
$38,973,439.86 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Ducci Electrical Contractors Inc |
$38,895,171.99 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Social Services |
Community Renewal Team Inc |
$38,743,259.74 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Town Of Enfield |
$38,732,768.95 |
Connecticut State Checkbook |
| 2020 |
Department Of Development Serv |
The Connecticut Institute For The Blind Inc |
$38,716,116.11 |
Connecticut State Checkbook |
| 2018 |
Department Of Administrative Services |
City Of Bridgeport |
$38,657,345.00 |
Connecticut State Checkbook |
| 2023 |
Capital Reg Dev Authority |
Capital Region Development Authority |
$38,630,000.00 |
Connecticut State Checkbook |
| 2025 |
Department Of Development Serv |
Community Residences Inc |
$38,613,105.52 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
Empire Paving Inc |
$38,537,091.81 |
Connecticut State Checkbook |
| 2020 |
Department Of Development Serv |
Allied Community Resources Inc |
$38,518,855.56 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Town Of Enfield |
$38,466,267.47 |
Connecticut State Checkbook |
| 2017 |
Department Of Public Health |
Dept Of Public Health |
$38,319,245.19 |
Connecticut State Checkbook |
| 2016 |
Uconn Health Center |
Amerisourcebergen Corporation |
$38,017,534.31 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Torrington Town Treasurer |
$37,946,958.73 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Town Of Middletown |
$37,917,685.52 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
American Industries Inc |
$37,906,094.42 |
Connecticut State Checkbook |
| 2018 |
University Of Connecticut |
Fusco Corporation |
$37,863,054.50 |
Connecticut State Checkbook |
| 2019 |
Department Of Development Serv |
Sunset Shores Of Milford Inc |
$37,734,744.45 |
Connecticut State Checkbook |
| 2016 |
Department Of Transportation |
Middlesex Corporation |
$37,729,379.56 |
Connecticut State Checkbook |
| 2023 |
Econ. & Community Development |
Ct Innovations Incorporated |
$37,723,596.00 |
Connecticut State Checkbook |
| 2018 |
Department Of Developmental Services |
The Connecticut Institute For The Blind Inc |
$37,714,131.58 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Public Health |
Dept Of Public Health |
$37,703,469.42 |
Connecticut State Checkbook |
| 2022 |
Dept Of Emrg Svc & Public Prot |
Yale New Haven Hospital |
$37,700,868.11 |
Connecticut State Checkbook |
| 2019 |
Dept Of Administrative Svcs |
City Of Hartford |
$37,636,086.00 |
Connecticut State Checkbook |
| 2021 |
Dept Of Administrative Svcs |
Town Of Groton |
$37,608,210.09 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Transportation |
Mohawk Northeast Inc |
$37,598,385.33 |
Connecticut State Checkbook |
| 2021 |
Department Of Development Serv |
Allied Community Resources Inc |
$37,565,928.41 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Tilcon Connecticut Inc |
$37,432,293.70 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Transportation |
Tilcon Connecticut Inc |
$37,384,305.56 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Town Of Middletown |
$37,335,239.86 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Mohawk Northeast Inc |
$37,331,748.55 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Town Of Windham |
$37,043,709.91 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Correction |
Uconn Health Center |
$37,030,866.85 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
Waters Constr Co Inc |
$36,988,205.02 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Naugatuck Town Treasurer |
$36,914,694.87 |
Connecticut State Checkbook |
| 2022 |
Department Of Development Serv |
Allied Community Resources Inc |
$36,822,657.98 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Correction |
Diamond Pharmacy Services |
$36,798,170.04 |
Connecticut State Checkbook |
| 2016 |
State Comptroller |
Accenture Llp |
$36,755,784.00 |
Connecticut State Checkbook |
| 2023 |
Dept Of Administrative Svcs |
Town Of Windham |
$36,686,192.07 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Walsh Construction Company Ii Llc |
$36,623,647.46 |
Connecticut State Checkbook |
| 2025 |
Dept Of Administrative Svcs |
Torrington Town Treasurer |
$36,567,355.00 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Public Health |
Magellan Rx Management Llc |
$36,563,656.44 |
Connecticut State Checkbook |
| 2017 |
Office Of Policy & Management |
City Of Bridgeport |
$36,536,541.88 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Town Of Hamden |
$36,506,120.55 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Naugatuck Town Treasurer |
$36,382,498.06 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Town Of Enfield |
$36,355,128.62 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Town Of West Hartford |
$36,318,429.84 |
Connecticut State Checkbook |
| 2016 |
Department Of Developmental Services |
Allied Community Resources Inc |
$36,293,921.30 |
Connecticut State Checkbook |
| 2024 |
Department Of Development Serv |
Community Residences Inc |
$36,282,336.90 |
Connecticut State Checkbook |
| 2023 |
Dept Of Energy & Environ Prot. |
Eversource Cl&P |
$36,235,967.52 |
Connecticut State Checkbook |
| 2017 |
Department Of Administrative Services |
City Of Bridgeport |
$36,223,862.00 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
Yonkers Contracting Company Inc |
$36,209,597.85 |
Connecticut State Checkbook |
| 2022 |
Dept Of Administrative Svcs |
Morganti Group Inc |
$36,174,674.77 |
Connecticut State Checkbook |
| 2024 |
Department Of Housing |
Connecticut Foundation Solutions Indemnity Company Inc |
$36,106,771.62 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Town Of Middletown |
$36,020,641.72 |
Connecticut State Checkbook |
| 2025 |
Department Of Housing |
Connecticut Foundation Solutions Indemnity Company Inc |
$36,010,305.89 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Manafort Brothers Inc |
$35,910,110.42 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Naugatuck Town Treasurer |
$35,892,199.99 |
Connecticut State Checkbook |
| 2016 |
Department Of Administrative Services |
Kbe Building Corporation |
$35,789,767.60 |
Connecticut State Checkbook |
| 2019 |
Department Of Development Serv |
The Connecticut Institute For The Blind Inc |
$35,754,362.39 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Mohawk Northeast Inc |
$35,751,275.71 |
Connecticut State Checkbook |
| 2022 |
Dept Of Administrative Svcs |
Ihealth Labs |
$35,704,400.00 |
Connecticut State Checkbook |
| 2024 |
Department Of Housing |
Yardi Systems Inc |
$35,642,523.49 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
Am Rizzo Electrical Contractors Inc |
$35,630,027.04 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Town Of Hamden |
$35,566,054.53 |
Connecticut State Checkbook |
| 2016 |
Department Of Transportation |
Ducci Electrical Contractors Inc |
$35,519,466.78 |
Connecticut State Checkbook |
| 2023 |
Department Of Development Serv |
Community Residences Inc |
$35,463,123.80 |
Connecticut State Checkbook |
| 2019 |
Department Of Development Serv |
Allied Community Resources Inc |
$35,463,021.22 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Town Of Hamden |
$35,430,606.76 |
Connecticut State Checkbook |