| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2016 |
Uconn Health Center |
Nihon Kohden America Inc |
$4,019,501.73 |
Connecticut State Checkbook |
| 2021 |
Judicial Branch |
Natchaug Hospital Inc |
$4,017,678.99 |
Connecticut State Checkbook |
| 2025 |
Department Of Development Serv |
Arc Of Greater New Haven Inc |
$4,017,064.20 |
Connecticut State Checkbook |
| 2025 |
Department Of Development Serv |
Baroco Corp |
$4,016,926.03 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Correction |
Connecticut Renaissance Inc |
$4,014,104.00 |
Connecticut State Checkbook |
| 2018 |
Department Of Developmental Services |
Benhaven Inc |
$4,013,879.67 |
Connecticut State Checkbook |
| 2016 |
University Of Connecticut |
Giordano Construction Co Inc |
$4,013,573.17 |
Connecticut State Checkbook |
| 2017 |
Department Of Transportation |
Town Of Cheshire |
$4,013,523.76 |
Connecticut State Checkbook |
| 2021 |
Dept Of Administrative Svcs |
Capitol District Energy Center Cogeneration Associates Jv |
$4,012,919.96 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Town Of Beacon Falls |
$4,012,796.00 |
Connecticut State Checkbook |
| 2019 |
Ccc - Quinebaug Valley |
Community College System Office |
$4,012,029.26 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Correction |
Siracusa Moving & Storage Service Co Inc |
$4,010,858.40 |
Connecticut State Checkbook |
| 2024 |
Office Of Policy & Management |
Town Of Windsor |
$4,010,081.62 |
Connecticut State Checkbook |
| 2024 |
Department Of Development Serv |
Alternatives Inc |
$4,008,416.74 |
Connecticut State Checkbook |
| 2017 |
Office Of Policy & Management |
Town Of Wallingford Treasurer Office |
$4,007,057.36 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Correction |
Quest Diagnostics Incorporated |
$4,006,054.34 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Common Ground High School |
$4,005,094.13 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Cdm Smith Inc |
$4,004,139.52 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Town Of Ashford |
$4,003,909.42 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Eversource Cl&P |
$4,003,185.08 |
Connecticut State Checkbook |
| 2024 |
Dept Of Energy & Environ Prot. |
Dept Of Public Safety |
$4,003,074.67 |
Connecticut State Checkbook |
| 2022 |
Charter Oak State College |
Undisclosed |
$4,002,267.34 |
Connecticut State Checkbook |
| 2025 |
Judicial Branch |
The Tri-Com Consulting Group Llc |
$4,002,131.30 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Town Of Brookfield |
$4,001,171.33 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Town Of Bolton |
$4,000,774.31 |
Connecticut State Checkbook |
| 2024 |
Econ. & Community Development |
Triumph Engine Control Systems Llc |
$4,000,000.00 |
Connecticut State Checkbook |
| 2020 |
Connecticut State Universities |
Connecticut State University System Office |
$4,000,000.00 |
Connecticut State Checkbook |
| 2018 |
Department Of Economic & Community Development |
Preferred Display Inc |
$4,000,000.00 |
Connecticut State Checkbook |
| 2017 |
Department Of Economic & Community Development |
Amgraph Packaging Inc |
$4,000,000.00 |
Connecticut State Checkbook |
| 2024 |
Department Of Housing |
Bedford Gardens Redevelopment Llc |
$4,000,000.00 |
Connecticut State Checkbook |
| 2017 |
Department Of Economic & Community Development |
Doncasters Inc |
$4,000,000.00 |
Connecticut State Checkbook |
| 2018 |
Department Of Economic & Community Development |
Southfield Property Llc Waterfront Office Building Lp |
$4,000,000.00 |
Connecticut State Checkbook |
| 2019 |
Econ. & Community Development |
Morgan Corporation |
$4,000,000.00 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Donorschoose.Org |
$4,000,000.00 |
Connecticut State Checkbook |
| 2024 |
Department Of Housing |
Parkside Village I Llc |
$4,000,000.00 |
Connecticut State Checkbook |
| 2017 |
Uconn Health Center |
Montagno Construction Inc |
$3,998,282.83 |
Connecticut State Checkbook |
| 2018 |
Department Of Economic & Community Development |
Media Storm Llc |
$3,996,403.85 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Town Of Burlington |
$3,995,268.00 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Town Of Beacon Falls |
$3,995,130.00 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Eversource Cl&P |
$3,993,095.93 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Children And Families |
The Bridge Family Center Inc |
$3,992,981.00 |
Connecticut State Checkbook |
| 2024 |
Dept Of Administrative Svcs |
Putnam Town Treasurer |
$3,992,777.00 |
Connecticut State Checkbook |
| 2017 |
Department Of Mental Heath And Addiction Services |
Marrakech Day Services |
$3,992,215.00 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Town Of Durham |
$3,991,834.00 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Town Of Sterling |
$3,991,613.02 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Housatonic Area Regional Transit |
$3,990,568.50 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Social Services |
Mercer Health And Benefits Llc |
$3,990,497.50 |
Connecticut State Checkbook |
| 2023 |
Department Of Development Serv |
Arc Of Greater New Haven Inc |
$3,990,142.00 |
Connecticut State Checkbook |
| 2016 |
Judicial Department |
Forensic Health Services Inc |
$3,989,645.00 |
Connecticut State Checkbook |
| 2023 |
Mental Health & Addiction Serv |
Dept Of Children And Families |
$3,989,303.00 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Town Of Sprague Town Treasurer |
$3,988,944.13 |
Connecticut State Checkbook |
| 2023 |
Office Of Policy & Management |
Town Of Avon |
$3,988,553.05 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Town Of Preston Town Treasurer |
$3,987,351.67 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Eastconn |
$3,985,342.98 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Town Of Stonington |
$3,985,149.73 |
Connecticut State Checkbook |
| 2020 |
Department Of Development Serv |
Waterbury Arc Inc |
$3,985,087.83 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Children And Families |
Waterford Country School Inc |
$3,983,842.00 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Prime Ae Group Inc |
$3,983,309.33 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Public Health |
Community Health Center Inc |
$3,981,655.27 |
Connecticut State Checkbook |
| 2017 |
Department Of Children And Families |
Waterford Country School Inc |
$3,981,414.00 |
Connecticut State Checkbook |
| 2023 |
Department Of Housing |
Best Western Hartford Hotel & Suites |
$3,980,959.92 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Transportation |
Stantec Consulting Services Inc |
$3,980,150.25 |
Connecticut State Checkbook |
| 2016 |
State Department On Aging |
Southwestern Ct Agency On Aging Inc |
$3,979,124.00 |
Connecticut State Checkbook |
| 2022 |
Judicial Branch |
Eversource Cl&P |
$3,975,212.43 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Willington Town Treasurer |
$3,971,960.41 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Transportation |
City Of Danbury |
$3,971,553.00 |
Connecticut State Checkbook |
| 2017 |
Board Of Regents |
Removed For Privacy |
$3,971,069.93 |
Connecticut State Checkbook |
| 2018 |
Department Of Developmental Services |
Catholic Charities Inc Archdiocese Of Hartford |
$3,970,800.23 |
Connecticut State Checkbook |
| 2023 |
Mental Health & Addiction Serv |
Marrakech Day Services |
$3,969,651.57 |
Connecticut State Checkbook |
| 2018 |
Department Of Housing |
Overlook Village Associates Llc |
$3,968,441.00 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Transitamerica Services Inc- Alternate Concepts Inc A Joint Venture |
$3,968,126.02 |
Connecticut State Checkbook |
| 2021 |
Department Of Development Serv |
Sharp Training Inc |
$3,968,088.49 |
Connecticut State Checkbook |
| 2018 |
Department Of Children And Families |
Social Finance Ct Family Stability Manager Inc |
$3,967,628.00 |
Connecticut State Checkbook |
| 2022 |
Department Of Development Serv |
The West Haven Community House Association Inc |
$3,967,553.92 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Public Health |
Covendis |
$3,967,481.96 |
Connecticut State Checkbook |
| 2018 |
Department Of Social Services |
Logisticare Solutions Llc |
$3,964,107.50 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Town Of Avon |
$3,963,868.08 |
Connecticut State Checkbook |
| 2018 |
Department Of Children And Families |
The Bridge Family Center Inc |
$3,963,111.00 |
Connecticut State Checkbook |
| 2023 |
Department Of Development Serv |
Easter Seal Rehabilitation Center Of Greater Waterbury Inc |
$3,963,055.65 |
Connecticut State Checkbook |
| 2017 |
Department Of Social Services |
Healthtech Solutions Llc |
$3,962,813.25 |
Connecticut State Checkbook |
| 2016 |
Office Of Early Childhood |
Town Of East Hartford Town Treasurer |
$3,962,234.95 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Interdistrict School For Arts And Communication |
$3,961,306.94 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Town Of Avon |
$3,961,166.26 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Town Of Beacon Falls |
$3,959,808.00 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Eversource Cl&p |
$3,958,988.84 |
Connecticut State Checkbook |
| 2022 |
Office Of Early Childhood |
City Of Danbury |
$3,957,699.56 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
Stratford Town Treasurer |
$3,957,557.58 |
Connecticut State Checkbook |
| 2017 |
Department Of Developmental Services |
Catholic Charities Inc Archdiocese Of Hartford |
$3,956,821.01 |
Connecticut State Checkbook |
| 2021 |
Judicial Branch |
Dell Marketing Lp |
$3,956,300.45 |
Connecticut State Checkbook |
| 2016 |
Office Of The State Treasurer |
First Quadrant Lp |
$3,955,139.00 |
Connecticut State Checkbook |
| 2018 |
Department Of Children And Families |
Waterford Country School Inc |
$3,954,686.00 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
Dayton Const Co Inc |
$3,952,966.27 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Public Health |
Community Health Center Inc |
$3,952,850.97 |
Connecticut State Checkbook |
| 2022 |
Mental Health & Addiction Serv |
Goodwill Of Western And Northern Connecticut Inc |
$3,952,328.20 |
Connecticut State Checkbook |
| 2017 |
Department Of Housing |
Womens Institute Realty Of Connecticut Inc |
$3,950,967.42 |
Connecticut State Checkbook |
| 2023 |
Office Of Policy & Management |
Town Of Plainville |
$3,949,246.02 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Town Of Brookfield |
$3,948,553.95 |
Connecticut State Checkbook |
| 2017 |
Department Of Economic & Community Development |
Connecticut Science Center Inc |
$3,948,512.00 |
Connecticut State Checkbook |
| 2019 |
Office Of Policy & Management |
Town Of Manchester |
$3,947,847.82 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Town Of Beacon Falls |
$3,946,560.00 |
Connecticut State Checkbook |