| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2023 |
State Dept Of Education |
Waterbury Town Treasurer |
$250,794,402.43 |
Connecticut State Checkbook |
| 2021 |
State Comptroller's Office |
United Healthcare Insurance Company |
$249,948,862.88 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
City Of Bridgeport |
$249,933,191.52 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
City Of Bridgeport |
$248,982,828.68 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Children And Families |
Department Of Children & Families Board And Care Account |
$247,846,791.73 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
City Of Bridgeport |
$245,681,103.52 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
City Of Bridgeport |
$245,628,496.42 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
City Of New Haven |
$245,293,460.20 |
Connecticut State Checkbook |
| 2017 |
Department Of Transportation |
Metro-north Commuter Railroad Co |
$244,847,525.94 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
Metro-North Commuter Railroad Co |
$244,807,601.94 |
Connecticut State Checkbook |
| 2021 |
State Comptroller's Office |
Sierra Health And Life Insurance Company Inc |
$234,311,249.12 |
Connecticut State Checkbook |
| 2023 |
Office Of Early Childhood |
Dept Of Social Services |
$231,742,233.45 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Children And Families |
Department Of Children & Families Board And Care Account |
$229,518,345.41 |
Connecticut State Checkbook |
| 2022 |
State Comptroller's Office |
Sierra Health And Life Insurance Company Inc |
$228,563,023.68 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Waterbury Town Treasurer |
$226,795,249.76 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Revenue Services |
Dept Of Revenue Services |
$225,208,052.53 |
Connecticut State Checkbook |
| 2017 |
State Comptroller |
United Healthcare Insurance Company |
$214,407,021.19 |
Connecticut State Checkbook |
| 2024 |
Department Of Housing |
J D'amelia And Associates Llc |
$210,895,097.02 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
Ratp Dev Usa Inc |
$209,084,825.04 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Children And Families |
Department Of Children & Families Board And Care Account |
$207,309,003.98 |
Connecticut State Checkbook |
| 2020 |
State Comptroller's Office |
Sierra Health And Life Insurance Company Inc |
$207,117,578.52 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Waterbury Town Treasurer |
$204,244,094.68 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Capitol Region Education Council |
$203,274,311.15 |
Connecticut State Checkbook |
| 2022 |
Office Of Early Childhood |
Dept Of Social Services |
$194,631,721.24 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Waterbury Town Treasurer |
$191,802,587.53 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Waterbury Town Treasurer |
$190,785,691.14 |
Connecticut State Checkbook |
| 2021 |
Department Of Housing |
J D'amelia And Associates Llc |
$190,139,320.17 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
First Transit Inc |
$189,680,402.00 |
Connecticut State Checkbook |
| 2023 |
Department Of Housing |
J D'amelia And Associates Llc |
$189,237,743.03 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Children And Families |
Department Of Children & Families Board And Care Account |
$189,099,080.75 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Capitol Region Education Council |
$186,528,943.61 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Waterbury Town Treasurer |
$185,931,179.45 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Capitol Region Education Council |
$183,005,920.72 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Waterbury Town Treasurer |
$181,531,148.20 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
First Transit Inc |
$179,450,832.00 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
Cianbro/Middlesex Xv A Joint Venture |
$178,580,232.94 |
Connecticut State Checkbook |
| 2019 |
State Comptroller's Office |
Sierra Health And Life Insurance Company Inc |
$178,361,416.66 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
New Britain City Treasurer |
$175,947,291.12 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
First Transit Inc |
$173,915,755.00 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Transportation |
First Transit Inc |
$173,865,148.00 |
Connecticut State Checkbook |
| 2022 |
Department Of Housing |
J D'amelia And Associates Llc |
$172,637,289.77 |
Connecticut State Checkbook |
| 2017 |
Department Of Environmental Protection |
Metropolitan District |
$166,821,293.39 |
Connecticut State Checkbook |
| 2020 |
Department Of Housing |
J D'amelia And Associates Llc |
$165,774,648.71 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Capitol Region Education Council |
$162,933,564.74 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Capitol Region Education Council |
$162,127,198.27 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
New Britain City Treasurer |
$161,237,673.91 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
First Transit Inc |
$160,494,956.00 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Social Services |
Department Of Developmental Services |
$159,668,306.45 |
Connecticut State Checkbook |
| 2018 |
Department Of Environmental Protection |
Metropolitan District |
$159,012,234.46 |
Connecticut State Checkbook |
| 2019 |
Department Of Housing |
J D'amelia And Associates Llc |
$158,795,633.48 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Capitol Region Education Council |
$156,791,224.29 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Capitol Region Education Council |
$155,278,356.92 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Capitol Region Education Council |
$153,491,425.49 |
Connecticut State Checkbook |
| 2018 |
Department Of Housing |
J Damelia And Associates Llc |
$152,767,013.57 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
New Britain City Treasurer |
$152,312,181.97 |
Connecticut State Checkbook |
| 2017 |
Department Of Housing |
J Damelia And Associates Llc |
$150,780,753.18 |
Connecticut State Checkbook |
| 2024 |
Ct Housing & Fin. Authority |
Connecticut Housing Finance Authority |
$148,790,106.97 |
Connecticut State Checkbook |
| 2024 |
Ct State Community College |
Connecticut State Community College |
$148,025,928.70 |
Connecticut State Checkbook |
| 2017 |
Department Of Transportation |
National Railroad Passenger Corp |
$147,618,663.09 |
Connecticut State Checkbook |
| 2017 |
Department Of Transportation |
First Transit Inc |
$147,286,546.23 |
Connecticut State Checkbook |
| 2020 |
Office Of Early Childhood |
Dept Of Social Services |
$146,739,957.57 |
Connecticut State Checkbook |
| 2023 |
Office Of Policy & Management |
City Of New Haven |
$140,350,300.54 |
Connecticut State Checkbook |
| 2019 |
Dept Of Energy & Environ Prot. |
Metropolitan District |
$139,248,979.03 |
Connecticut State Checkbook |
| 2022 |
Paid Family Medical Leave Auth |
Aflac Group |
$135,554,957.60 |
Connecticut State Checkbook |
| 2021 |
Office Of Early Childhood |
Dept Of Social Services |
$133,662,755.59 |
Connecticut State Checkbook |
| 2017 |
Board Of Regents |
Community College System Office |
$133,079,207.67 |
Connecticut State Checkbook |
| 2023 |
Dept Of Administrative Svcs |
Office Of The State Treasurer |
$131,778,989.46 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
New Britain City Treasurer |
$131,448,024.31 |
Connecticut State Checkbook |
| 2024 |
Dept Of Emrg Svc & Public Prot |
Dept Of Corrections |
$131,187,897.70 |
Connecticut State Checkbook |
| 2024 |
Office Of Policy & Management |
City Of New Haven |
$130,414,575.42 |
Connecticut State Checkbook |
| 2024 |
State Comptroller's Office |
Aetna Health Management Llc |
$127,980,517.98 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Labor |
Department Of Labor |
$126,086,371.62 |
Connecticut State Checkbook |
| 2022 |
Department Of Housing |
Connecticut Housing Finance Authority |
$125,772,792.00 |
Connecticut State Checkbook |
| 2022 |
Ct Port Authority |
Connecticut Port Authority |
$125,000,000.00 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
New Britain City Treasurer |
$120,287,423.83 |
Connecticut State Checkbook |
| 2018 |
Board Of Regents |
Community College System Office |
$119,639,783.79 |
Connecticut State Checkbook |
| 2022 |
Office Of Policy & Management |
City Of New Haven |
$118,700,536.18 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
New Britain City Treasurer |
$118,303,348.60 |
Connecticut State Checkbook |
| 2024 |
Office Of Policy & Management |
City Of Hartford |
$117,991,776.50 |
Connecticut State Checkbook |
| 2023 |
State Comptroller's Office |
Sierra Health And Life Insurance Company Inc |
$117,908,880.71 |
Connecticut State Checkbook |
| 2024 |
Dept Of Administrative Svcs |
Office Of The State Treasurer |
$115,717,341.84 |
Connecticut State Checkbook |
| 2017 |
Office Of Early Childhood |
Dept Of Social Services |
$115,398,664.00 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Public Health |
Griffin Hospital |
$114,532,880.00 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
New Britain City Treasurer |
$114,085,675.66 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
National Railroad Passenger Corp |
$113,343,837.22 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
New Britain City Treasurer |
$112,906,332.00 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
National Railroad Passenger Corp |
$112,731,119.81 |
Connecticut State Checkbook |
| 2023 |
Office Of Policy & Management |
City Of Hartford |
$112,639,625.95 |
Connecticut State Checkbook |
| 2021 |
Teachers' Retirement Board |
Express Scripts Inc |
$111,698,650.16 |
Connecticut State Checkbook |
| 2023 |
State Comptroller's Office |
Public Consulting Group Llc |
$111,468,342.40 |
Connecticut State Checkbook |
| 2021 |
Dept Of Administrative Svcs |
Office Of The Treasurer |
$109,248,580.21 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Ratp Dev Usa Inc |
$107,478,065.54 |
Connecticut State Checkbook |
| 2020 |
Dept Of Administrative Svcs |
Office Of The Treasurer |
$106,454,749.81 |
Connecticut State Checkbook |
| 2019 |
Office Of Early Childhood |
Dept Of Social Services |
$105,724,197.00 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
First Transit Inc |
$105,349,658.00 |
Connecticut State Checkbook |
| 2024 |
Office Of Early Childhood |
Dept Of Social Services |
$104,007,464.22 |
Connecticut State Checkbook |
| 2017 |
Department Of Administrative Services |
Office Of The Treasurer |
$103,757,877.46 |
Connecticut State Checkbook |
| 2024 |
State Comptroller's Office |
Cigna Healthcare Of Ct |
$102,736,214.78 |
Connecticut State Checkbook |
| 2017 |
Department Of Administrative Services |
Dept Of Administrative Services |
$102,721,409.81 |
Connecticut State Checkbook |
| 2018 |
Department Of Administrative Services |
Office Of The Treasurer |
$102,143,930.01 |
Connecticut State Checkbook |