| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2024 |
Dept. Of Social Services |
Auctor Corporation |
$3,353,056.34 |
Connecticut State Checkbook |
| 2018 |
Office Of The State Treasurer |
Aqr Capital Management Llc |
$3,351,905.54 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Town Of New Hartford |
$3,349,639.60 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Social Services |
Office Of Health Strategy |
$3,346,994.52 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Social Services |
Mercer Health And Benefits Llc |
$3,346,532.00 |
Connecticut State Checkbook |
| 2022 |
Department Of Housing |
Glendower Farnam Courts Ii 9% Llc |
$3,346,414.75 |
Connecticut State Checkbook |
| 2021 |
Office Of Policy & Management |
City Of Derby |
$3,339,276.11 |
Connecticut State Checkbook |
| 2016 |
Department Of Public Health |
City Of Hartford |
$3,339,145.04 |
Connecticut State Checkbook |
| 2016 |
Department Of Administrative Services |
Town Of Killingly |
$3,337,615.00 |
Connecticut State Checkbook |
| 2018 |
Department Of Developmental Services |
Helping People Excel Inc |
$3,336,744.30 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Town Of Haddam |
$3,336,551.00 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Common Ground High School |
$3,335,868.58 |
Connecticut State Checkbook |
| 2022 |
Paid Family Medical Leave Auth |
Paid Family And Medical Leave Insurance Authority |
$3,335,317.31 |
Connecticut State Checkbook |
| 2016 |
Legislative Management |
Smg Services Llc |
$3,335,062.78 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
Garg Consulting Services Inc |
$3,334,709.99 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Public Health |
Envision Technology Partners Inc |
$3,334,473.32 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Trc Enviromental Corporation |
$3,334,295.14 |
Connecticut State Checkbook |
| 2016 |
Department Of Administrative Services |
Moser Pilon Nelson Architects |
$3,334,195.43 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
University Of Connecticut |
$3,333,938.94 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Town Of Pomfret Town Treasurer |
$3,332,657.60 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Town Of North Stonington |
$3,332,531.54 |
Connecticut State Checkbook |
| 2021 |
Department Of Housing |
Enterprise Abbott Limited Partnership |
$3,331,992.00 |
Connecticut State Checkbook |
| 2025 |
Office Of Early Childhood |
West Haven Town Treasurer |
$3,331,915.60 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Ridgefield Town Treasurer |
$3,331,706.14 |
Connecticut State Checkbook |
| 2019 |
Judicial Branch |
The Connection Inc |
$3,330,943.91 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Correction |
Securus Technologies Llc |
$3,330,931.94 |
Connecticut State Checkbook |
| 2019 |
Office Of The State Treasurer |
Aqr Capital Management Llc |
$3,330,871.73 |
Connecticut State Checkbook |
| 2019 |
Office Of The State Treasurer |
William Blair Investment Management Llc |
$3,329,931.52 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Correction |
Dept Of Administrative Services |
$3,329,508.34 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Public Health |
Yale New Haven Health Services Corporation |
$3,329,380.70 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Edadvance |
$3,328,194.79 |
Connecticut State Checkbook |
| 2019 |
Office Of Policy & Management |
Newington Town Treasurer |
$3,327,845.03 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Children And Families |
Connecticut Junior Republic Association Inc |
$3,326,077.05 |
Connecticut State Checkbook |
| 2016 |
Office Of Early Childhood |
Abcd Inc |
$3,324,397.36 |
Connecticut State Checkbook |
| 2025 |
Dept Of Administrative Svcs |
Ingersoll Auto Of Danbury |
$3,323,650.00 |
Connecticut State Checkbook |
| 2023 |
Dept Of Administrative Svcs |
Accenture Llp |
$3,323,500.00 |
Connecticut State Checkbook |
| 2017 |
Department Of Public Health |
City Of Hartford |
$3,323,289.38 |
Connecticut State Checkbook |
| 2016 |
Department Of Economic & Community Development |
Iwsr Owners Llc |
$3,321,811.00 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Correction |
Career Resources |
$3,321,680.34 |
Connecticut State Checkbook |
| 2023 |
Office Of Policy & Management |
New Canaan Town Treasurer |
$3,321,583.47 |
Connecticut State Checkbook |
| 2018 |
Department Of Mental Heath And Addiction Services |
Wheeler Clinic Inc |
$3,319,473.25 |
Connecticut State Checkbook |
| 2017 |
Department Of Developmental Services |
Baroco Corp |
$3,319,210.74 |
Connecticut State Checkbook |
| 2016 |
Department Of Mental Heath And Addiction Services |
Liberation Programs Inc |
$3,319,124.00 |
Connecticut State Checkbook |
| 2021 |
Office Of Early Childhood |
The Village For Families & Children Inc |
$3,318,735.00 |
Connecticut State Checkbook |
| 2025 |
Department Of Development Serv |
Abilities Without Boundaries Inc |
$3,318,315.22 |
Connecticut State Checkbook |
| 2023 |
Dept Of Administrative Svcs |
Owens Renz & Lee Co Inc |
$3,318,122.16 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Providers Nutrition Network Inc |
$3,318,057.11 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Children And Families |
Noank Community Support Services Inc |
$3,316,888.00 |
Connecticut State Checkbook |
| 2022 |
Office Of Early Childhood |
Educational Playcare |
$3,314,820.00 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Social Services |
Community Action Agency Of New Haven Inc |
$3,314,003.25 |
Connecticut State Checkbook |
| 2017 |
University Of Connecticut |
Jcj Business Corp Inc |
$3,313,337.90 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Town Of Westport Town Controller |
$3,312,800.39 |
Connecticut State Checkbook |
| 2019 |
Office Of Early Childhood |
City Of Bristol |
$3,312,660.64 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Town Of Durham |
$3,312,134.00 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Town Of New Hartford |
$3,311,667.47 |
Connecticut State Checkbook |
| 2023 |
Office Of Policy & Management |
Orange Town Treasurer |
$3,309,325.04 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Children And Families |
Connecticut Junior Republic Association Inc |
$3,308,610.00 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Children And Families |
Connecticut Junior Republic Association Inc |
$3,308,609.00 |
Connecticut State Checkbook |
| 2019 |
Office Of The State Treasurer |
Frontier Capital Management Co Llc |
$3,307,936.23 |
Connecticut State Checkbook |
| 2020 |
Judicial Branch |
The Connection Inc |
$3,306,070.08 |
Connecticut State Checkbook |
| 2022 |
Aging And Disability Services |
Agency On Aging Of South Central Connecticut |
$3,304,515.00 |
Connecticut State Checkbook |
| 2022 |
Mental Health & Addiction Serv |
Mercy Housing & Shelter Corporation |
$3,303,949.60 |
Connecticut State Checkbook |
| 2021 |
Office Of Policy & Management |
Waterford Town Treasurer |
$3,303,537.65 |
Connecticut State Checkbook |
| 2016 |
State Department Of Education |
Town Of Columbia |
$3,302,652.36 |
Connecticut State Checkbook |
| 2017 |
Department Of Social Services |
Team Inc |
$3,301,879.19 |
Connecticut State Checkbook |
| 2018 |
State Dept Of Rehabilitation |
North Central Area Agency On Aging Inc |
$3,300,183.74 |
Connecticut State Checkbook |
| 2022 |
Econ. & Community Development |
Mystic Aquarium |
$3,299,879.00 |
Connecticut State Checkbook |
| 2022 |
Department Of Housing |
Connecticut Childrens Medical Center |
$3,299,230.39 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Town Of Marlborough |
$3,298,648.19 |
Connecticut State Checkbook |
| 2023 |
Office Of Early Childhood |
The Village For Families & Children Inc |
$3,298,596.44 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Town Of Avon |
$3,298,146.26 |
Connecticut State Checkbook |
| 2021 |
Department Of Development Serv |
Alternatives Inc |
$3,297,535.78 |
Connecticut State Checkbook |
| 2016 |
Legislative Management |
Connecticut Public Affairs Network Inc |
$3,296,272.05 |
Connecticut State Checkbook |
| 2022 |
Dept Of Emrg Svc & Public Prot |
East River Energy Inc |
$3,295,915.19 |
Connecticut State Checkbook |
| 2021 |
Office Of Policy & Management |
Town Of Southbury |
$3,294,879.40 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
The Consultants Consortium Inc |
$3,293,551.90 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Town Of Durham |
$3,293,232.00 |
Connecticut State Checkbook |
| 2022 |
Dept Of Emrg Svc & Public Prot |
Uconn Health Center |
$3,292,096.23 |
Connecticut State Checkbook |
| 2022 |
Department Of Housing |
Neighborhood Housing Services Of Waterbury |
$3,290,062.00 |
Connecticut State Checkbook |
| 2017 |
University Of Connecticut |
Sarazin General Contractors |
$3,288,966.47 |
Connecticut State Checkbook |
| 2018 |
Department Of Higher Education |
Southern Connecticut State University |
$3,287,676.00 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Town Of Marlborough |
$3,286,181.80 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Ny Conn Corp |
$3,285,602.26 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Town Of Pomfret Town Treasurer |
$3,283,696.45 |
Connecticut State Checkbook |
| 2023 |
Dept Of Emrg Svc & Public Prot |
Quinnipiac University |
$3,282,764.00 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
Schultz Corporation |
$3,281,173.69 |
Connecticut State Checkbook |
| 2024 |
Department Of Housing |
Whi Camelot Llc |
$3,280,761.00 |
Connecticut State Checkbook |
| 2025 |
Econ. & Community Development |
Connecticut Science Center Inc |
$3,279,793.74 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Motor Vehicles |
United Security Inc |
$3,279,556.98 |
Connecticut State Checkbook |
| 2019 |
Department Of Housing |
Center Village Limited Partnership |
$3,279,085.00 |
Connecticut State Checkbook |
| 2023 |
Office Of Policy & Management |
Town Of Brookfield |
$3,278,807.20 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Kajeet Inc |
$3,277,297.44 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Town Of Pomfret Town Treasurer |
$3,276,366.00 |
Connecticut State Checkbook |
| 2016 |
University Of Connecticut |
Kronenberger & Sons Restoration |
$3,276,109.57 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Town Of Preston Town Treasurer |
$3,275,395.68 |
Connecticut State Checkbook |
| 2023 |
Office Of Higher Education |
Gateway Community College |
$3,274,243.00 |
Connecticut State Checkbook |
| 2022 |
Office Of Policy & Management |
Town Of Somers Town Treasurer |
$3,272,471.51 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Town Of Marlborough |
$3,271,811.79 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Interdistrict School For Arts And Communication |
$3,271,642.57 |
Connecticut State Checkbook |
| 2018 |
Office Of Early Childhood |
City Of Bristol |
$3,271,028.17 |
Connecticut State Checkbook |