| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2023 |
Dept Of Administrative Svcs |
Learn |
$5,262,062.00 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Town Of Greenwich |
$5,261,952.04 |
Connecticut State Checkbook |
| 2019 |
Judicial Branch |
Nafi Connecticut Inc |
$5,260,125.76 |
Connecticut State Checkbook |
| 2021 |
Department Of Development Serv |
Ari Of Connecticut Inc |
$5,260,099.32 |
Connecticut State Checkbook |
| 2023 |
Office Of Policy & Management |
Town Of Watertown |
$5,259,223.89 |
Connecticut State Checkbook |
| 2023 |
Office Of Early Childhood |
Capitol Region Education Council |
$5,257,611.48 |
Connecticut State Checkbook |
| 2023 |
Office Of Policy & Management |
Town Of Branford |
$5,255,820.00 |
Connecticut State Checkbook |
| 2019 |
Department Of Development Serv |
Eastern Community Dev Corp |
$5,254,207.79 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
The New Britain Transportation Company |
$5,253,472.88 |
Connecticut State Checkbook |
| 2020 |
Dept Of Administrative Svcs |
Waterbury Town Treasurer |
$5,251,687.74 |
Connecticut State Checkbook |
| 2022 |
Judicial Branch |
Boys & Girls Village Inc |
$5,249,447.15 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Children And Families |
Yale University |
$5,248,783.13 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Transportation |
Stantec Consulting Services Inc |
$5,248,437.91 |
Connecticut State Checkbook |
| 2018 |
Office Of The State Treasurer |
T Rowe Price Associates Inc |
$5,247,779.49 |
Connecticut State Checkbook |
| 2023 |
Dept Of Administrative Svcs |
Town Of Brookfield |
$5,247,065.03 |
Connecticut State Checkbook |
| 2017 |
Department Of Administrative Services |
Aais Corporation |
$5,242,246.76 |
Connecticut State Checkbook |
| 2022 |
Office Of Policy & Management |
Town Of Cheshire |
$5,242,018.47 |
Connecticut State Checkbook |
| 2020 |
Dept Of Administrative Svcs |
Capitol District Energy Center Cogeneration Associates Jv |
$5,239,774.46 |
Connecticut State Checkbook |
| 2019 |
Judicial Branch |
Connecticut Coalition Against Domestic Violence |
$5,234,402.68 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Town Of Darien |
$5,232,568.00 |
Connecticut State Checkbook |
| 2018 |
Department Of Mental Heath And Addiction Services |
Apt Foundation Inc |
$5,230,865.00 |
Connecticut State Checkbook |
| 2023 |
Office Of Policy & Management |
Town Of Rocky Hill |
$5,229,958.84 |
Connecticut State Checkbook |
| 2018 |
State Comptroller |
Care Management Solutions |
$5,229,641.22 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
New England Central Railroad Inc |
$5,228,746.37 |
Connecticut State Checkbook |
| 2017 |
Department Of Transportation |
Aecom Technical Service Inc |
$5,223,811.80 |
Connecticut State Checkbook |
| 2021 |
Office Of Early Childhood |
New Britain City Treasurer |
$5,222,106.00 |
Connecticut State Checkbook |
| 2022 |
Department Of Development Serv |
Lakeside Neurologic |
$5,220,385.80 |
Connecticut State Checkbook |
| 2018 |
Office Of Policy & Management |
Suffield Town Treasurer |
$5,220,148.11 |
Connecticut State Checkbook |
| 2018 |
Department Of Administrative Services |
Alkon Elm Street Llc |
$5,216,776.44 |
Connecticut State Checkbook |
| 2017 |
Department Of Developmental Services |
Tri-county Arc Inc |
$5,216,312.69 |
Connecticut State Checkbook |
| 2023 |
Mental Health & Addiction Serv |
United Way Of Connecticut Inc |
$5,215,139.00 |
Connecticut State Checkbook |
| 2020 |
Dept Of Administrative Svcs |
Eversource Cl&P |
$5,214,485.58 |
Connecticut State Checkbook |
| 2022 |
Judicial Branch |
Forensic Health Services Llc |
$5,212,439.00 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Waterford Town Treasurer |
$5,208,411.36 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Regional School District 15 Board Of Education |
$5,208,331.06 |
Connecticut State Checkbook |
| 2017 |
Department Of Transportation |
Cianbro/middlesex Xv A Joint Venture |
$5,207,436.95 |
Connecticut State Checkbook |
| 2018 |
Department Of Developmental Services |
Eastern Community Dev Corp |
$5,201,853.56 |
Connecticut State Checkbook |
| 2020 |
Office Of Policy & Management |
Hospital For Special Care |
$5,201,425.73 |
Connecticut State Checkbook |
| 2020 |
Dept Of Administrative Svcs |
Ferguson Electric Co Inc |
$5,196,562.54 |
Connecticut State Checkbook |
| 2023 |
Judicial Branch |
Dept Of Mental Health And Addiction Svcs Central Office |
$5,195,737.00 |
Connecticut State Checkbook |
| 2020 |
Office Of Policy & Management |
City Of Norwich |
$5,195,488.24 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Brass City Charter School Inc |
$5,191,488.70 |
Connecticut State Checkbook |
| 2020 |
Judicial Branch |
Dept Of Mental Health And Addiction Svcs Central Office |
$5,190,225.00 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Social Services |
Eversource Cl&P |
$5,189,436.75 |
Connecticut State Checkbook |
| 2017 |
Judicial Department |
Dept Of Mental Health And Addiction Svcs Central Office |
$5,188,284.48 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Town Of Darien |
$5,187,534.00 |
Connecticut State Checkbook |
| 2017 |
Department Of Administrative Services |
Alkon Elm Street Llc |
$5,187,499.85 |
Connecticut State Checkbook |
| 2023 |
Department Of Development Serv |
Waterbury Arc Inc |
$5,181,183.12 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Town Of Branford |
$5,179,665.18 |
Connecticut State Checkbook |
| 2023 |
State Dept Of Education |
Town Of Darien |
$5,178,853.15 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Correction |
Cell Staff Llc |
$5,177,055.13 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Close Jensen & Miller Pc |
$5,171,402.82 |
Connecticut State Checkbook |
| 2023 |
Probate Court Administration |
Anthem Bc/Bs Of Connecticut |
$5,169,166.29 |
Connecticut State Checkbook |
| 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 |
| 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 |
| 2021 |
Governor's Office |
Cronin And Company |
$5,117,604.91 |
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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 2017 |
Department Of Developmental Services |
Acord Inc |
$5,076,239.00 |
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 |