| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2017 |
State Department Of Education |
Town Of Brooklyn |
$8,180,790.54 |
Connecticut State Checkbook |
| 2022 |
Department Of Development Serv |
March Inc Of Manchester |
$8,177,522.43 |
Connecticut State Checkbook |
| 2025 |
Econ. & Community Development |
Waterbury Town Treasurer |
$8,176,135.18 |
Connecticut State Checkbook |
| 2024 |
Office Of Higher Education |
Central Connecticut State University |
$8,174,543.00 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Labor |
Eastern Connecticut Workforce Investment Board Inc |
$8,174,068.67 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Town Of East Lyme |
$8,173,485.37 |
Connecticut State Checkbook |
| 2023 |
Office Of Policy & Management |
Town Of Greenwich |
$8,169,384.06 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Social Services |
Total Transit Inc |
$8,168,156.00 |
Connecticut State Checkbook |
| 2024 |
Dept Of Administrative Svcs |
Ibm Corporation |
$8,168,042.89 |
Connecticut State Checkbook |
| 2023 |
Dept Of Emrg Svc & Public Prot |
State Of Connecticut Department Of Housing |
$8,165,739.76 |
Connecticut State Checkbook |
| 2020 |
Department Of Development Serv |
Hart United Inc |
$8,162,894.56 |
Connecticut State Checkbook |
| 2017 |
Office Of Early Childhood |
Rehabilitation Associates Of Connecticut |
$8,152,314.44 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Correction |
Community Solutions Inc |
$8,146,013.92 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Town Of Granby |
$8,145,513.08 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Social Services |
Iris |
$8,142,215.26 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Town Of Brooklyn |
$8,141,179.10 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Town Of Branford |
$8,139,432.10 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Town Of Granby |
$8,136,567.54 |
Connecticut State Checkbook |
| 2024 |
Mental Health & Addiction Serv |
Bridges Healthcare Inc |
$8,135,858.78 |
Connecticut State Checkbook |
| 2020 |
Judicial Branch |
Connecticut Junior Republic Association Inc |
$8,134,206.25 |
Connecticut State Checkbook |
| 2025 |
Mental Health & Addiction Serv |
Recovery Network Of Programs Inc |
$8,132,000.00 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
All States Construction Inc |
$8,123,842.21 |
Connecticut State Checkbook |
| 2019 |
Office Of Policy & Management |
Town Of New London |
$8,123,339.63 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Highville Charter School Inc |
$8,114,778.77 |
Connecticut State Checkbook |
| 2024 |
Office Of Early Childhood |
Thames Valley Council For Community Action Inc |
$8,112,823.02 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Correction |
Community Solutions Inc |
$8,112,005.07 |
Connecticut State Checkbook |
| 2023 |
Office Of Policy & Management |
North Haven Town Treasurer |
$8,104,135.81 |
Connecticut State Checkbook |
| 2018 |
Department Of Developmental Services |
Cw Resources Inc |
$8,101,233.92 |
Connecticut State Checkbook |
| 2017 |
Department Of Transportation |
Urs Corporation Aes |
$8,100,144.93 |
Connecticut State Checkbook |
| 2017 |
Department Of Economic & Community Development |
Regional Energy Holdings Inc |
$8,100,000.00 |
Connecticut State Checkbook |
| 2018 |
Department Of Public Health |
City Of Groton |
$8,090,147.93 |
Connecticut State Checkbook |
| 2017 |
Department Of Administrative Services |
Consigli Construction Co Inc |
$8,089,747.62 |
Connecticut State Checkbook |
| 2024 |
Dept Of Emrg Svc & Public Prot |
Covendis |
$8,088,135.85 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Public Health |
Merck Sharp & Dohme Llc |
$8,086,295.80 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Correction |
Eversource Cl&P |
$8,085,934.76 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Great Oaks Foundation |
$8,082,716.02 |
Connecticut State Checkbook |
| 2018 |
Department Of Correction |
Community Solutions Inc |
$8,080,061.23 |
Connecticut State Checkbook |
| 2024 |
Office Of Higher Education |
Southern Connecticut State University |
$8,076,387.00 |
Connecticut State Checkbook |
| 2025 |
Judicial Branch |
Fusco Management Co Llc |
$8,068,077.32 |
Connecticut State Checkbook |
| 2025 |
Office Of Policy & Management |
Torrington Town Treasurer |
$8,064,847.24 |
Connecticut State Checkbook |
| 2024 |
Office Of Early Childhood |
Norwalk Town Treasurer |
$8,063,587.32 |
Connecticut State Checkbook |
| 2021 |
Department Of Development Serv |
Hart United Inc |
$8,062,199.39 |
Connecticut State Checkbook |
| 2017 |
Department Of Environmental Protection |
Greater New Haven Water Pollution Control Authority |
$8,060,340.89 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Social Services |
Deloitte Consulting Llp |
$8,059,427.00 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
A I Engineers Inc |
$8,058,266.74 |
Connecticut State Checkbook |
| 2021 |
State Comptroller's Office |
Care Management Solutions |
$8,057,708.67 |
Connecticut State Checkbook |
| 2023 |
Dept Of Administrative Svcs |
Mhq Inc |
$8,057,670.29 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
East River Energy Inc |
$8,048,614.78 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Fusco Management Co Llc |
$8,038,655.28 |
Connecticut State Checkbook |
| 2017 |
Department Of Social Services |
Logisticare Solutions Llc |
$8,038,316.81 |
Connecticut State Checkbook |
| 2020 |
Teachers' Retirement Board |
Stirling Benefits Inc |
$8,034,056.44 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Children And Families |
Clifford W Beers Guidance Clinic Inc |
$8,033,910.30 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Town Of East Lyme |
$8,028,735.70 |
Connecticut State Checkbook |
| 2020 |
Office Of Policy & Management |
Town Of New London |
$8,028,626.05 |
Connecticut State Checkbook |
| 2023 |
Mental Health & Addiction Serv |
Bridges Healthcare Inc |
$8,024,259.00 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
Town Of Greenwich |
$8,019,794.58 |
Connecticut State Checkbook |
| 2017 |
Teachers' Retirement Board |
Aetna Life Insurance Company |
$8,019,161.63 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Highville Charter School Inc |
$8,018,517.88 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Public Health |
Sanofi Pasteur Inc |
$8,016,524.00 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
North Haven Town Treasurer |
$8,015,195.73 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Transportation |
Ocean State Signal Co Inc |
$8,014,953.76 |
Connecticut State Checkbook |
| 2021 |
Dept Of Energy & Environ Prot. |
Town Of Killingly |
$8,012,991.69 |
Connecticut State Checkbook |
| 2022 |
Department Of Development Serv |
Adelbrook Community Services Inc |
$8,003,518.16 |
Connecticut State Checkbook |
| 2021 |
Office Of Policy & Management |
Town Of Greenwich |
$8,002,202.86 |
Connecticut State Checkbook |
| 2023 |
Ccc - Naugatuck Valley |
Community College System Office |
$8,000,250.00 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Cooperative Educational Services |
$7,996,868.03 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Public Health |
School-Based Health Alliance |
$7,993,936.22 |
Connecticut State Checkbook |
| 2022 |
State Dept Of Education |
Cooperative Educational Services |
$7,990,588.58 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Town Of East Hampton Town Treasurer |
$7,990,197.58 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Transportation |
M & J Engineering Pc |
$7,985,589.75 |
Connecticut State Checkbook |
| 2018 |
Office Of Policy & Management |
West Haven Town Treasurer |
$7,985,473.64 |
Connecticut State Checkbook |
| 2017 |
Department Of Correction |
Community Solutions Inc |
$7,985,084.60 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Social Services |
Dental Benefit Management Inc |
$7,983,720.02 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Suffield Town Treasurer |
$7,970,270.00 |
Connecticut State Checkbook |
| 2024 |
Department Of Development Serv |
The Arc Of Litchfield County Inc |
$7,962,708.39 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Newtown Town Treasurer |
$7,958,557.65 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Social Services |
Dental Benefit Management Inc |
$7,950,900.78 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
American School For The Deaf |
$7,947,566.00 |
Connecticut State Checkbook |
| 2018 |
State Department Of Education |
Town Of Berlin |
$7,946,928.38 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Cme Asssociates Inc |
$7,945,870.84 |
Connecticut State Checkbook |
| 2017 |
Department Of Transportation |
Morton Salt Inc |
$7,944,291.92 |
Connecticut State Checkbook |
| 2017 |
University Of Connecticut |
Oxford Health Plans Llc |
$7,943,189.62 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Town Of Clinton |
$7,942,292.02 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Children And Families |
Wellmore Inc |
$7,942,236.00 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Children And Families |
Child And Family Agency Of Southeastern Connecticut Inc |
$7,940,121.00 |
Connecticut State Checkbook |
| 2017 |
Department Of Transportation |
The Atlas Companies Llc |
$7,939,684.05 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Public Health |
City Of Norwich |
$7,937,528.17 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Brunalli Construction Company |
$7,936,395.86 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
American School For The Deaf |
$7,934,226.00 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Quaker Corp |
$7,932,411.30 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Trumbull Town Treasurer |
$7,926,867.94 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Town Of Granby |
$7,926,557.88 |
Connecticut State Checkbook |
| 2025 |
State Dept Of Education |
Town Of Monroe Town Treasurer |
$7,926,108.99 |
Connecticut State Checkbook |
| 2022 |
Aging And Disability Services |
North Central Area Agency On Aging Inc |
$7,923,489.00 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Social Services |
Total Transit Inc |
$7,923,300.00 |
Connecticut State Checkbook |
| 2020 |
State Dept Of Education |
Trumbull Town Treasurer |
$7,923,155.56 |
Connecticut State Checkbook |
| 2023 |
Office Of Policy & Management |
Town Of Windsor |
$7,916,751.29 |
Connecticut State Checkbook |
| 2020 |
Dept Of Administrative Svcs |
Town Of Branford |
$7,914,238.04 |
Connecticut State Checkbook |
| 2018 |
Judicial Department |
Fusco Management Co Llc |
$7,912,718.97 |
Connecticut State Checkbook |
| 2020 |
Judicial Branch |
Connecticut Coalition Against Domestic Violence |
$7,911,320.57 |
Connecticut State Checkbook |