| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2021 |
State Dept Of Education |
Farmington Town Treasurer |
$5,467,132.80 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Dattco Inc |
$5,462,039.54 |
Connecticut State Checkbook |
| 2023 |
Aging And Disability Services |
Western Ct Area Agcy On Aging |
$5,457,249.00 |
Connecticut State Checkbook |
| 2020 |
Office Of Early Childhood |
Skylight Digital Llc |
$5,455,155.15 |
Connecticut State Checkbook |
| 2022 |
Dept Of Administrative Svcs |
Larosa Building Group Llc |
$5,445,385.88 |
Connecticut State Checkbook |
| 2017 |
Teachers' Retirement Board |
Cigna Health And Life Insurance Company |
$5,443,463.05 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
Town Of South Windsor |
$5,442,681.98 |
Connecticut State Checkbook |
| 2022 |
Dept Of Administrative Svcs |
Carahsoft Technology Corporation |
$5,441,671.94 |
Connecticut State Checkbook |
| 2017 |
Department Of Transportation |
Dattco Inc |
$5,440,186.99 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Stamford Charter School For Excellence |
$5,438,408.86 |
Connecticut State Checkbook |
| 2023 |
Mental Health & Addiction Serv |
Chrysalis Center Inc |
$5,438,316.61 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Town Of Canton |
$5,436,969.68 |
Connecticut State Checkbook |
| 2022 |
Judicial Branch |
Nafi Connecticut Inc |
$5,435,025.00 |
Connecticut State Checkbook |
| 2017 |
Department Of Transportation |
Haks Engineers Pc |
$5,434,510.76 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
Close Jensen & Miller Pc |
$5,429,121.16 |
Connecticut State Checkbook |
| 2021 |
Department Of Development Serv |
Catholic Charities Inc Archdiocese Of Hartford |
$5,428,678.01 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Oxford Town Treasurer |
$5,427,219.08 |
Connecticut State Checkbook |
| 2018 |
University Of Connecticut |
Skanska Usa Building Inc |
$5,425,230.86 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Correction |
Rossi Family Foundation |
$5,424,500.00 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Labor |
Protiviti Government Services Inc |
$5,423,934.51 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Town Of Greenwich |
$5,416,859.61 |
Connecticut State Checkbook |
| 2018 |
Department Of Developmental Services |
The Vantage Group Inc |
$5,413,107.48 |
Connecticut State Checkbook |
| 2021 |
Department Of Development Serv |
Sarah Inc |
$5,412,757.37 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Social Services |
The Community Action Agency Of Western Connecticut Inc |
$5,411,760.68 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Oxford Town Treasurer |
$5,411,504.93 |
Connecticut State Checkbook |
| 2017 |
Department Of Social Services |
Allied Community Resources Inc |
$5,410,314.50 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Dynamic Surface Applications Ltd |
$5,409,505.01 |
Connecticut State Checkbook |
| 2021 |
Judicial Branch |
Dept Of Mental Health And Addiction Svcs Central Office |
$5,402,602.00 |
Connecticut State Checkbook |
| 2023 |
Judicial Branch |
Forensic Health Services Llc |
$5,401,039.00 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Hw Lochner Inc |
$5,400,899.65 |
Connecticut State Checkbook |
| 2020 |
Department Of Housing |
200 Tyler Llc |
$5,400,000.00 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Children And Families |
Family And Children's Aid Inc |
$5,399,445.23 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
Stv Incorporated |
$5,398,901.27 |
Connecticut State Checkbook |
| 2019 |
Dept Of Administrative Svcs |
City Of Danbury |
$5,397,600.00 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
East River Energy Inc |
$5,397,434.81 |
Connecticut State Checkbook |
| 2017 |
Department Of Administrative Services |
Moser Pilon Nelson Architects |
$5,394,112.40 |
Connecticut State Checkbook |
| 2019 |
Department Of Development Serv |
Brian House Inc |
$5,383,866.60 |
Connecticut State Checkbook |
| 2020 |
Dept Of Administrative Svcs |
Morganti Group Inc |
$5,381,871.34 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Children And Families |
Child And Family Agency Of Southeastern Connecticut Inc |
$5,379,065.00 |
Connecticut State Checkbook |
| 2017 |
Department Of Children And Families |
Yale University |
$5,376,339.50 |
Connecticut State Checkbook |
| 2021 |
Judicial Branch |
Boys & Girls Village Inc |
$5,375,983.10 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Town Of Darien |
$5,373,369.00 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Transportation |
Cj Fucci Inc |
$5,371,854.78 |
Connecticut State Checkbook |
| 2017 |
Department Of Transportation |
Prime Ae Group Inc |
$5,370,306.04 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Social Services |
Eversource Energy Yankee Gas Services |
$5,367,370.12 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
Ny Conn Corp |
$5,366,313.68 |
Connecticut State Checkbook |
| 2019 |
Judicial Branch |
Rm Bradley Management Corporation |
$5,365,657.92 |
Connecticut State Checkbook |
| 2019 |
Department Of Development Serv |
The Arc Of Litchfield County Inc |
$5,364,650.79 |
Connecticut State Checkbook |
| 2018 |
Department Of Developmental Services |
The Arc Of Southington Inc |
$5,364,566.19 |
Connecticut State Checkbook |
| 2023 |
Aging And Disability Services |
Agency On Aging Of South Central Connecticut |
$5,361,639.00 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Garg Consulting Services Inc |
$5,361,329.85 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Transportation |
Southeast Area Transit |
$5,360,558.22 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Transportation |
Bl Companies Connecticut Inc |
$5,357,256.76 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Stv Incorporated |
$5,351,483.75 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Town Of Guilford |
$5,349,125.78 |
Connecticut State Checkbook |
| 2021 |
Mental Health & Addiction Serv |
Wheeler Clinic Inc |
$5,344,166.37 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Ridgefield Town Treasurer |
$5,344,036.97 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Interdistrict School For Arts And Communication |
$5,343,716.08 |
Connecticut State Checkbook |
| 2017 |
Department Of Developmental Services |
Ari Of Connecticut Inc |
$5,341,723.39 |
Connecticut State Checkbook |
| 2021 |
Office Of Policy & Management |
Town Of Westport Town Controller |
$5,339,856.18 |
Connecticut State Checkbook |
| 2018 |
Department Of Developmental Services |
Ari Of Connecticut Inc |
$5,339,670.73 |
Connecticut State Checkbook |
| 2017 |
Department Of Developmental Services |
The Arc Of Southington Inc |
$5,339,453.20 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
New England Traffic Solutions |
$5,339,156.12 |
Connecticut State Checkbook |
| 2020 |
Dept Of Energy & Environ Prot. |
Greater New Haven Water Pollution Control Authority |
$5,338,859.77 |
Connecticut State Checkbook |
| 2020 |
Dept Of Administrative Svcs |
Tucker Mechanical Inc |
$5,337,247.24 |
Connecticut State Checkbook |
| 2022 |
Dept Of Administrative Svcs |
Mhq Inc |
$5,334,521.07 |
Connecticut State Checkbook |
| 2018 |
Board Of Regents |
Presidio Networked Solutions Group Llc |
$5,332,073.14 |
Connecticut State Checkbook |
| 2018 |
Office Of Policy & Management |
City Of Norwich |
$5,325,804.81 |
Connecticut State Checkbook |
| 2018 |
Department Of Social Services |
Eversource Energy Yankee Gas Services |
$5,322,789.24 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Cdm Smith Inc |
$5,322,004.72 |
Connecticut State Checkbook |
| 2017 |
Department Of Developmental Services |
The Vantage Group Inc |
$5,320,987.86 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Town Of Portland |
$5,320,510.43 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Children And Families |
Covendis |
$5,317,013.19 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Prospect Town Treasurer |
$5,316,609.00 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Town Of Guilford |
$5,312,374.12 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Town Of Branford |
$5,305,282.33 |
Connecticut State Checkbook |
| 2021 |
Judicial Branch |
Community Solutions Inc |
$5,302,119.47 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
Town Of West Hartford |
$5,301,050.62 |
Connecticut State Checkbook |
| 2023 |
Department Of Development Serv |
G I L Foundation Inc |
$5,300,302.75 |
Connecticut State Checkbook |
| 2021 |
Dept Of Administrative Svcs |
Seymour Town Treasurer |
$5,300,287.00 |
Connecticut State Checkbook |
| 2022 |
Office Of Policy & Management |
Suffield Town Treasurer |
$5,299,862.26 |
Connecticut State Checkbook |
| 2019 |
Office Of Early Childhood |
New Britain City Treasurer |
$5,298,855.00 |
Connecticut State Checkbook |
| 2021 |
Econ. & Community Development |
Office Of Early Childhood |
$5,298,180.00 |
Connecticut State Checkbook |
| 2022 |
Judicial Branch |
Dept Of Mental Health And Addiction Svcs Central Office |
$5,297,027.92 |
Connecticut State Checkbook |
| 2023 |
Econ. & Community Development |
City Of Hartford |
$5,292,620.07 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
Southeast Area Transit |
$5,291,675.39 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
Town Of Greenwich |
$5,289,299.95 |
Connecticut State Checkbook |
| 2022 |
Econ. & Community Development |
City Of Hartford |
$5,284,212.00 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Urban Engineers Inc |
$5,284,151.84 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Social Services |
Total Transit Inc |
$5,282,200.00 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Town Of Canton |
$5,282,072.64 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Oxford Town Treasurer |
$5,279,976.07 |
Connecticut State Checkbook |
| 2018 |
Department Of Developmental Services |
Corporation For Public Management |
$5,278,204.18 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Children And Families |
The Bridge Family Center Inc |
$5,276,545.00 |
Connecticut State Checkbook |
| 2019 |
Office Of Policy & Management |
Suffield Town Treasurer |
$5,273,007.82 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Town Of Stafford |
$5,272,099.75 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Children And Families |
Community Mental Health Affiliates Inc |
$5,271,724.00 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Town Of Canton |
$5,269,824.49 |
Connecticut State Checkbook |
| 2017 |
Office Of Policy & Management |
Meriden Town Treasurer |
$5,265,450.69 |
Connecticut State Checkbook |
| 2018 |
Uconn Health Center |
Kforce Inc |
$5,262,468.72 |
Connecticut State Checkbook |