| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2023 |
State Dept Of Education |
Willington Town Treasurer |
$4,250,818.85 |
Connecticut State Checkbook |
| 2019 |
Judicial Branch |
Eversource Cl&P |
$4,250,321.68 |
Connecticut State Checkbook |
| 2017 |
Department Of Developmental Services |
Family Options |
$4,249,610.87 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
All States Asphalt Inc |
$4,248,036.07 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
Town Of Stafford |
$4,246,007.10 |
Connecticut State Checkbook |
| 2018 |
Department Of Economic & Community Development |
Waterbury Development Corporation |
$4,245,916.50 |
Connecticut State Checkbook |
| 2018 |
Office Of Policy & Management |
Stratford Town Treasurer |
$4,245,259.17 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Region District 14 Treasurer Business Office |
$4,244,953.05 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Children And Families |
Nafi Connecticut Inc |
$4,242,856.00 |
Connecticut State Checkbook |
| 2019 |
Mental Health & Addiction Serv |
Columbus House Inc |
$4,239,870.61 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Park City Prep Charter School |
$4,239,436.60 |
Connecticut State Checkbook |
| 2018 |
Department Of Higher Education |
Central Connecticut State University |
$4,232,785.20 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Children And Families |
The Bridge Family Center Inc |
$4,232,191.01 |
Connecticut State Checkbook |
| 2018 |
Department Of Administrative Services |
Capitol District Energy Center Cogeneration Associates Jv |
$4,231,124.90 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
Arborio Corp |
$4,228,059.70 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Correction |
Community Health Resources Inc |
$4,227,775.00 |
Connecticut State Checkbook |
| 2017 |
Department Of Developmental Services |
Goodwill Of Western And Northern Connecticut Inc |
$4,227,469.11 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
American Institutes For Research |
$4,226,364.00 |
Connecticut State Checkbook |
| 2023 |
Judicial Branch |
Dell Marketing Lp |
$4,225,997.35 |
Connecticut State Checkbook |
| 2023 |
Judicial Branch |
Yale University |
$4,224,370.58 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Town Of Pomfret Town Treasurer |
$4,221,152.85 |
Connecticut State Checkbook |
| 2020 |
Mental Health & Addiction Serv |
Dept Of Children And Families |
$4,218,978.00 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Hdr Engineering Inc |
$4,214,112.40 |
Connecticut State Checkbook |
| 2017 |
Department Of Children And Families |
Connecticut Junior Republic Association Inc |
$4,213,907.00 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Correction |
Correctional Enterprises Of Connecticut |
$4,210,656.96 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Electrical Contractors Inc |
$4,210,008.42 |
Connecticut State Checkbook |
| 2022 |
Department Of Housing |
Overlook Village Associates Llc |
$4,208,017.00 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Correction |
Eversource Energy Yankee Gas Services |
$4,207,414.52 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Transportation |
Pjf Construction Corp |
$4,207,186.04 |
Connecticut State Checkbook |
| 2020 |
Ct Airport Authority (Ops) |
Connecticut Airport Authority |
$4,204,760.90 |
Connecticut State Checkbook |
| 2018 |
University Of Connecticut |
All State Construction Inc |
$4,204,729.37 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Children And Families |
Allied Universal Security Services |
$4,203,260.28 |
Connecticut State Checkbook |
| 2017 |
State Department On Aging |
Agency On Aging Of South Central Connecticut |
$4,201,447.70 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Consor Engineering And Land Surveying Ny Pc |
$4,200,181.76 |
Connecticut State Checkbook |
| 2020 |
Department Of Housing |
Teachers Corner Hartford Llc |
$4,199,961.00 |
Connecticut State Checkbook |
| 2023 |
Mental Health & Addiction Serv |
Liberation Programs Inc |
$4,195,809.00 |
Connecticut State Checkbook |
| 2020 |
Office Of Policy & Management |
Town Of Groton |
$4,193,764.15 |
Connecticut State Checkbook |
| 2018 |
Department Of Mental Heath And Addiction Services |
Goodwill Of Western And Northern Connecticut Inc |
$4,193,532.36 |
Connecticut State Checkbook |
| 2023 |
Office Of Early Childhood |
City Of Bristol |
$4,193,474.57 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Public Health |
Progressive Diagnostics Llc |
$4,193,120.00 |
Connecticut State Checkbook |
| 2019 |
Department Of Development Serv |
Waterbury Arc Inc |
$4,191,407.96 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Town Of Burlington |
$4,190,472.00 |
Connecticut State Checkbook |
| 2021 |
Office Of Higher Education |
Central Connecticut State University |
$4,189,957.00 |
Connecticut State Checkbook |
| 2017 |
Department Of Transportation |
Hartland Building & Restoration Co |
$4,188,972.48 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Social Services |
Covendis |
$4,188,925.03 |
Connecticut State Checkbook |
| 2022 |
Dept Of Administrative Svcs |
Torrington Town Treasurer |
$4,188,612.97 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Social Services |
Myers And Stauffer Llc |
$4,186,920.67 |
Connecticut State Checkbook |
| 2021 |
Das - Information Technology |
Frontier Communications Of Connecticut |
$4,183,385.19 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Dime Oil Company Llc |
$4,183,014.27 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
City Of Bridgeport |
$4,182,936.04 |
Connecticut State Checkbook |
| 2021 |
Department Of Development Serv |
Easter Seal Rehabilitation Center Of Greater Waterbury Inc |
$4,182,296.61 |
Connecticut State Checkbook |
| 2018 |
Department Of Housing |
Mill At Killingly Apartments Llc |
$4,178,156.20 |
Connecticut State Checkbook |
| 2017 |
Department Of Public Safety |
Conduent State & Local Solutions Inc |
$4,175,725.38 |
Connecticut State Checkbook |
| 2017 |
Department Of Economic & Community Development |
City Of Hartford |
$4,174,271.00 |
Connecticut State Checkbook |
| 2021 |
Office Of Early Childhood |
Tvcca Inc |
$4,171,299.40 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
Housatonic Area Regional Transit |
$4,169,197.00 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Social Services |
Covendis |
$4,165,898.62 |
Connecticut State Checkbook |
| 2022 |
Office Of Policy & Management |
Town Of Manchester |
$4,162,745.70 |
Connecticut State Checkbook |
| 2022 |
Office Of Early Childhood |
Edadvance |
$4,162,702.02 |
Connecticut State Checkbook |
| 2022 |
Department Of Development Serv |
Windsor Independent Living Associates Inc |
$4,162,684.67 |
Connecticut State Checkbook |
| 2022 |
Office Of Policy & Management |
Town Of Wallingford Treasurer Office |
$4,162,279.70 |
Connecticut State Checkbook |
| 2023 |
Department Of Development Serv |
Baroco Corp |
$4,158,468.41 |
Connecticut State Checkbook |
| 2021 |
Office Of Policy & Management |
Town Of Guilford |
$4,157,007.55 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Town Of Greenwich |
$4,156,575.86 |
Connecticut State Checkbook |
| 2021 |
Econ. & Community Development |
Mystic Aquarium |
$4,156,183.00 |
Connecticut State Checkbook |
| 2022 |
Judicial Branch |
Natchaug Hospital Inc |
$4,155,396.97 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Town Of Ashford |
$4,154,856.04 |
Connecticut State Checkbook |
| 2018 |
Department Of Developmental Services |
The Arc Of Quinebaug Valley Inc |
$4,154,554.37 |
Connecticut State Checkbook |
| 2021 |
Department Of Development Serv |
Windsor Independent Living Associates Inc |
$4,153,745.70 |
Connecticut State Checkbook |
| 2023 |
Office Of Policy & Management |
Town Of Killingly |
$4,152,313.07 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Urs Corporation Aes |
$4,150,224.24 |
Connecticut State Checkbook |
| 2017 |
Department Of Transportation |
New England Road Inc |
$4,147,233.00 |
Connecticut State Checkbook |
| 2023 |
Dept Of Administrative Svcs |
Carahsoft Technology Corporation |
$4,146,575.92 |
Connecticut State Checkbook |
| 2020 |
Office Of Higher Education |
Southern Connecticut State University |
$4,144,356.00 |
Connecticut State Checkbook |
| 2017 |
Office Of Policy & Management |
Town Of Fairfield |
$4,136,449.72 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Public Health |
Optimus Health Care Inc |
$4,136,164.03 |
Connecticut State Checkbook |
| 2021 |
Department Of Development Serv |
Waterbury Arc Inc |
$4,135,791.44 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Eastconn |
$4,133,704.03 |
Connecticut State Checkbook |
| 2020 |
Department Of Development Serv |
Northeast Placement Services Inc |
$4,132,465.27 |
Connecticut State Checkbook |
| 2021 |
Mental Health & Addiction Serv |
Columbus House Inc |
$4,132,445.00 |
Connecticut State Checkbook |
| 2018 |
Department Of Mental Heath And Addiction Services |
Columbus House Inc |
$4,131,463.12 |
Connecticut State Checkbook |
| 2022 |
Office Of Policy & Management |
Town Of Bloomfield |
$4,128,969.64 |
Connecticut State Checkbook |
| 2019 |
Dept Of Administrative Svcs |
Harry Grodsky & Co Inc |
$4,125,772.93 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Odyssey Community School Inc |
$4,124,577.30 |
Connecticut State Checkbook |
| 2017 |
Department Of Children And Families |
Beacon Health Options Inc |
$4,122,702.21 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Public Health |
Town Of Guilford |
$4,122,614.68 |
Connecticut State Checkbook |
| 2023 |
Mental Health & Addiction Serv |
Mercy Housing & Shelter Corporation |
$4,120,682.88 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Regional School District 15 Board Of Education |
$4,119,397.73 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Town Of Burlington |
$4,118,158.00 |
Connecticut State Checkbook |
| 2019 |
Department Of Development Serv |
The Arc Of Quinebaug Valley Inc |
$4,116,991.79 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Children And Families |
Nafi Connecticut Inc |
$4,116,421.00 |
Connecticut State Checkbook |
| 2022 |
Office Of Early Childhood |
Capitol Region Education Council |
$4,114,483.34 |
Connecticut State Checkbook |
| 2020 |
Dept Of Energy & Environ Prot. |
Farmington Town Treasurer |
$4,113,229.72 |
Connecticut State Checkbook |
| 2022 |
Department Of Development Serv |
Sharp Training Inc |
$4,112,876.09 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Public Health |
City Of Hartford |
$4,112,087.59 |
Connecticut State Checkbook |
| 2021 |
Office Of Policy & Management |
Town Of Watertown |
$4,109,935.79 |
Connecticut State Checkbook |
| 2020 |
Mental Health & Addiction Serv |
Columbus House Inc |
$4,108,063.78 |
Connecticut State Checkbook |
| 2019 |
Office Of The State Treasurer |
First Quadrant Lp |
$4,107,702.00 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
Urban Engineers Inc |
$4,107,419.44 |
Connecticut State Checkbook |
| 2022 |
Dept Of Administrative Svcs |
Town Of Brookfield |
$4,107,093.02 |
Connecticut State Checkbook |