| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2022 |
Dept. Of Transportation |
Paramount Construction Llc |
$5,167,428.97 |
Connecticut State Checkbook |
| 2018 |
Judicial Department |
Dept Of Mental Health And Addiction Svcs Central Office |
$5,163,009.00 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Town Of Darien |
$5,162,219.84 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
Atlas Industrial Services Llc |
$5,161,370.44 |
Connecticut State Checkbook |
| 2018 |
Department Of Environmental Protection |
Paganelli Construction Corp |
$5,155,153.90 |
Connecticut State Checkbook |
| 2025 |
Department Of Housing |
20 Starkel Llc |
$5,152,022.00 |
Connecticut State Checkbook |
| 2019 |
Judicial Branch |
Dept Of Mental Health And Addiction Svcs Central Office |
$5,151,735.00 |
Connecticut State Checkbook |
| 2019 |
Department Of Development Serv |
Seabird Enterprises Inc |
$5,147,058.44 |
Connecticut State Checkbook |
| 2018 |
Department Of Developmental Services |
Acord Inc |
$5,144,191.45 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Prospect Town Treasurer |
$5,143,371.00 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Eastconn |
$5,143,168.27 |
Connecticut State Checkbook |
| 2018 |
Department Of Economic & Community Development |
Town Of Preston Town Treasurer |
$5,141,265.00 |
Connecticut State Checkbook |
| 2023 |
Mental Health & Addiction Serv |
Vinfen Corporation Of Connecticut Inc |
$5,141,130.65 |
Connecticut State Checkbook |
| 2017 |
Judicial Department |
Connecticut Coalition Against Domestic Violence |
$5,139,918.41 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Brass City Charter School Inc |
$5,139,531.15 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Children And Families |
Dept Of Administrative Services |
$5,137,559.64 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Children And Families |
Child And Family Agency Of Southeastern Connecticut Inc |
$5,131,344.00 |
Connecticut State Checkbook |
| 2021 |
Mental Health & Addiction Serv |
Apt Foundation Inc |
$5,130,068.00 |
Connecticut State Checkbook |
| 2018 |
University Of Connecticut |
C&W Facility Services Inc |
$5,130,036.17 |
Connecticut State Checkbook |
| 2023 |
Dept Of Administrative Svcs |
Gilbane Building Company |
$5,125,035.81 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Transportation |
Housatonic Area Regional Transit |
$5,124,574.51 |
Connecticut State Checkbook |
| 2019 |
Mental Health & Addiction Serv |
Apt Foundation Inc |
$5,124,288.00 |
Connecticut State Checkbook |
| 2020 |
Dept Of Emrg Svc & Public Prot |
Adesta Llc |
$5,122,413.48 |
Connecticut State Checkbook |
| 2025 |
Mental Health & Addiction Serv |
Dept Of Children And Families |
$5,121,994.56 |
Connecticut State Checkbook |
| 2021 |
Governor's Office |
Cronin And Company |
$5,117,604.91 |
Connecticut State Checkbook |
| 2024 |
Department Of Housing |
Avery Park Phase Ii Limited Partnership |
$5,117,509.38 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
Banton Construction Company Inc |
$5,115,661.91 |
Connecticut State Checkbook |
| 2020 |
Department Of Development Serv |
Lakeside Neurologic |
$5,113,321.35 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
Fusco Management Co Llc |
$5,113,190.78 |
Connecticut State Checkbook |
| 2025 |
Dept Of Administrative Svcs |
City Of Bristol |
$5,111,122.00 |
Connecticut State Checkbook |
| 2023 |
Office Of Policy & Management |
Town Of East Lyme |
$5,110,292.29 |
Connecticut State Checkbook |
| 2017 |
Office Of Early Childhood |
New Britain City Treasurer |
$5,109,312.00 |
Connecticut State Checkbook |
| 2025 |
Department Of Development Serv |
Northeast Placement Services Inc |
$5,106,509.32 |
Connecticut State Checkbook |
| 2023 |
Office Of Policy & Management |
Town Of Westport Town Controller |
$5,105,890.52 |
Connecticut State Checkbook |
| 2020 |
Department Of Housing |
Yale Acres Llc |
$5,104,991.74 |
Connecticut State Checkbook |
| 2017 |
Department Of Developmental Services |
Corporation For Public Management |
$5,103,623.09 |
Connecticut State Checkbook |
| 2024 |
Ct Tech Educ And Career Sys |
Eversource Cl&P |
$5,095,441.19 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Transportation |
Stv Incorporated |
$5,095,308.41 |
Connecticut State Checkbook |
| 2017 |
Department Of Developmental Services |
The Arc Of Litchfield County Inc |
$5,093,718.63 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
New Britain City Treasurer |
$5,091,725.03 |
Connecticut State Checkbook |
| 2018 |
Department Of Developmental Services |
The Arc Of Litchfield County Inc |
$5,090,555.26 |
Connecticut State Checkbook |
| 2017 |
Department Of Mental Heath And Addiction Services |
Apt Foundation Inc |
$5,087,269.00 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Transportation |
Fuss & O'neill Inc |
$5,087,122.52 |
Connecticut State Checkbook |
| 2023 |
Ccc - Capital |
Community College System Office |
$5,086,360.00 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Children And Families |
Community Mental Health Affiliates Inc |
$5,086,123.00 |
Connecticut State Checkbook |
| 2020 |
Department Of Development Serv |
Ari Of Connecticut Inc |
$5,084,342.87 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Town Of Branford |
$5,083,511.06 |
Connecticut State Checkbook |
| 2018 |
Office Of Early Childhood |
New Britain City Treasurer |
$5,082,037.00 |
Connecticut State Checkbook |
| 2018 |
University Of Connecticut |
Bailey Agencies Inc |
$5,080,901.50 |
Connecticut State Checkbook |
| 2018 |
Department Of Administrative Services |
Town Of Middletown |
$5,080,004.00 |
Connecticut State Checkbook |
| 2024 |
Department Of Development Serv |
Northeast Placement Services Inc |
$5,078,655.20 |
Connecticut State Checkbook |
| 2017 |
Department Of Developmental Services |
Acord Inc |
$5,076,239.00 |
Connecticut State Checkbook |
| 2024 |
Office Of Higher Education |
Western Connecticut State University |
$5,074,274.80 |
Connecticut State Checkbook |
| 2020 |
Department Of Development Serv |
Catholic Charities Inc Archdiocese Of Hartford |
$5,071,494.53 |
Connecticut State Checkbook |
| 2019 |
Econ. & Community Development |
Hartford Economic Development Corporation |
$5,069,003.45 |
Connecticut State Checkbook |
| 2023 |
Ccc - Gateway |
Community College System Office |
$5,068,419.00 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Southeast Area Transit |
$5,066,605.26 |
Connecticut State Checkbook |
| 2022 |
Aging And Disability Services |
Eastern Ct Area Agency On Aging |
$5,065,970.00 |
Connecticut State Checkbook |
| 2020 |
State Comptroller's Office |
Care Management Solutions |
$5,064,966.01 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Children And Families |
Community Mental Health Affiliates Inc |
$5,064,834.00 |
Connecticut State Checkbook |
| 2018 |
Judicial Department |
Connecticut Coalition Against Domestic Violence |
$5,059,307.10 |
Connecticut State Checkbook |
| 2023 |
Office Of Policy & Management |
Town Of Somers Town Treasurer |
$5,058,960.68 |
Connecticut State Checkbook |
| 2024 |
Department Of Development Serv |
The West Haven Community House Association Inc |
$5,058,349.64 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Ny Conn Corp |
$5,056,929.19 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Correction |
Correctional Enterprises Of Connecticut |
$5,053,891.53 |
Connecticut State Checkbook |
| 2023 |
Dept Of Emrg Svc & Public Prot |
Crown Castle Fiber Llc |
$5,053,162.00 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Great Oaks Foundation |
$5,051,606.30 |
Connecticut State Checkbook |
| 2021 |
Aging And Disability Services |
North Central Area Agency On Aging Inc |
$5,049,217.00 |
Connecticut State Checkbook |
| 2022 |
Department Of Housing |
Veterans Terrace Communities I Llc |
$5,049,102.00 |
Connecticut State Checkbook |
| 2017 |
University Of Connecticut |
Bailey Agencies Inc |
$5,047,862.75 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Public Health |
Town Of New London |
$5,047,454.64 |
Connecticut State Checkbook |
| 2020 |
Judicial Branch |
Rm Bradley Management Corporation |
$5,047,450.58 |
Connecticut State Checkbook |
| 2021 |
Department Of Development Serv |
Seabird Enterprises Inc |
$5,043,552.66 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Prospect Town Treasurer |
$5,043,386.00 |
Connecticut State Checkbook |
| 2017 |
Uconn Health Center |
Iss Facility Services Inc |
$5,041,917.03 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Town Of New London |
$5,040,870.11 |
Connecticut State Checkbook |
| 2018 |
University Of Connecticut |
Hb Communications Inc |
$5,037,262.69 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
O&G/Bhd Jv |
$5,037,254.60 |
Connecticut State Checkbook |
| 2020 |
Mental Health & Addiction Serv |
Wheeler Clinic Inc |
$5,036,765.50 |
Connecticut State Checkbook |
| 2021 |
Aging And Disability Services |
Eastern Ct Area Agency On Aging |
$5,035,249.52 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Transportation |
Dynamic Surface Applications Ltd |
$5,033,830.90 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
New England Road Inc |
$5,030,964.90 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Integrated Day Charter School |
$5,029,160.57 |
Connecticut State Checkbook |
| 2025 |
Dept Of Emrg Svc & Public Prot |
Adesta Llc |
$5,023,974.67 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Town Of Westport Town Controller |
$5,019,843.15 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Town Of Canterbury |
$5,018,021.93 |
Connecticut State Checkbook |
| 2019 |
Dept Of Administrative Svcs |
Town Of North Stonington |
$5,018,006.00 |
Connecticut State Checkbook |
| 2022 |
Office Of Policy & Management |
Farmington Town Treasurer |
$5,017,502.15 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Public Health |
Waterbury Town Treasurer |
$5,016,209.62 |
Connecticut State Checkbook |
| 2017 |
Department Of Administrative Services |
Town Of Clinton |
$5,014,204.00 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
Dattco Inc |
$5,014,197.80 |
Connecticut State Checkbook |
| 2019 |
Department Of Development Serv |
Ari Of Connecticut Inc |
$5,013,249.81 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Booker T Washington Academy |
$5,013,203.00 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
New Fairfield Town Treasurer |
$5,011,183.39 |
Connecticut State Checkbook |
| 2024 |
Office Of Early Childhood |
University Of Chicago |
$5,010,219.54 |
Connecticut State Checkbook |
| 2021 |
Department Of Development Serv |
Options Unlimited Inc |
$5,010,007.64 |
Connecticut State Checkbook |
| 2018 |
Department Of Developmental Services |
Community Social Integration Llc |
$5,009,722.14 |
Connecticut State Checkbook |
| 2021 |
Ccc - Capital |
Community College System Office |
$5,009,055.38 |
Connecticut State Checkbook |
| 2024 |
Judicial Branch |
Yale University |
$5,007,663.97 |
Connecticut State Checkbook |
| 2024 |
Ct Innovations Inc |
Ct Innovations Incorporated |
$5,007,546.21 |
Connecticut State Checkbook |