| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2025 |
Office Of Policy & Management |
Town Of East Granby Town Treasurer |
$1,539,840.17 |
Connecticut State Checkbook |
| 2019 |
Dept Of Emrg Svc & Public Prot |
Town Of Plainville |
$1,539,298.54 |
Connecticut State Checkbook |
| 2018 |
Department Of Administrative Services |
K-Con Inc |
$1,539,271.37 |
Connecticut State Checkbook |
| 2017 |
Department Of Economic & Community Development |
City Of New Haven |
$1,538,646.89 |
Connecticut State Checkbook |
| 2025 |
Ct Tech Educ And Career Sys |
Johnson Controls Security Solutions Llc |
$1,538,416.14 |
Connecticut State Checkbook |
| 2018 |
Department Of Public Health |
Aids Connecticut Inc |
$1,537,698.13 |
Connecticut State Checkbook |
| 2018 |
Department Of Administrative Services |
Young Developers Llc |
$1,537,672.65 |
Connecticut State Checkbook |
| 2017 |
University Of Connecticut |
Mather Corporation |
$1,537,507.82 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Transportation |
Quaker Corp |
$1,537,106.25 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Transportation |
Naugatuck Valley Council Of Governments |
$1,535,575.45 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Data Recognition Corporation |
$1,535,457.24 |
Connecticut State Checkbook |
| 2018 |
Office Of The State Treasurer |
Blackrock Financial Mgmentinc |
$1,534,984.90 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Region District 1 Treasurer Regional Schools Services Center |
$1,534,301.03 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Public Health |
City Of Stamford |
$1,534,262.73 |
Connecticut State Checkbook |
| 2021 |
Mental Health & Addiction Serv |
Fellowship Place Inc |
$1,534,042.00 |
Connecticut State Checkbook |
| 2024 |
Office Of Early Childhood |
Theracare |
$1,533,897.67 |
Connecticut State Checkbook |
| 2019 |
Dept Of Emrg Svc & Public Prot |
Idemia Identity & Security Usa Llc |
$1,533,598.00 |
Connecticut State Checkbook |
| 2019 |
State Dept Of Education |
Region District 5 Treasurer |
$1,533,563.16 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Transportation |
B&W Paving & Landscaping Llc |
$1,533,258.23 |
Connecticut State Checkbook |
| 2019 |
Office Of Policy & Management |
Dept Of Public Safety |
$1,533,223.94 |
Connecticut State Checkbook |
| 2020 |
Department Of Development Serv |
Alliance Healthcare Solutions Llc |
$1,533,208.41 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
City Of Bristol |
$1,533,114.02 |
Connecticut State Checkbook |
| 2017 |
Department Of Public Safety |
3m Cogent Inc |
$1,532,438.49 |
Connecticut State Checkbook |
| 2019 |
Dept Of Administrative Svcs |
Fuss & O'neill Inc |
$1,532,381.81 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
New Canaan Town Treasurer |
$1,532,298.96 |
Connecticut State Checkbook |
| 2017 |
Department Of Developmental Services |
Center Of Hope Foundation Inc |
$1,532,031.63 |
Connecticut State Checkbook |
| 2019 |
Office Of Policy & Management |
Trumbull Town Treasurer |
$1,532,026.62 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Social Services |
Allied Universal Security Services |
$1,531,706.44 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
New Canaan Town Treasurer |
$1,531,594.19 |
Connecticut State Checkbook |
| 2018 |
Department Of Transportation |
Tully Const Corp |
$1,531,259.80 |
Connecticut State Checkbook |
| 2025 |
Dept Of Emrg Svc & Public Prot |
Norwalk Town Treasurer |
$1,531,121.60 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Social Services |
United Security Inc |
$1,531,005.58 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Transportation |
Arrow Line Acquisition Llc |
$1,530,453.55 |
Connecticut State Checkbook |
| 2017 |
Department Of Social Services |
Colonial Cooperative Care |
$1,530,143.80 |
Connecticut State Checkbook |
| 2018 |
Department Of Administrative Services |
Svigals And Partners Llp |
$1,529,704.99 |
Connecticut State Checkbook |
| 2021 |
Econ. & Community Development |
Ot Owner Llc |
$1,528,726.97 |
Connecticut State Checkbook |
| 2022 |
Department Of Housing |
Town Of Windham |
$1,528,422.38 |
Connecticut State Checkbook |
| 2017 |
Department Of Transportation |
Bentley Systems Incorporated |
$1,528,270.69 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Zaact Llc |
$1,528,146.91 |
Connecticut State Checkbook |
| 2021 |
State Dept Of Education |
The Consultants Consortium Inc |
$1,526,307.96 |
Connecticut State Checkbook |
| 2025 |
Mental Health & Addiction Serv |
Community Resources For Justice |
$1,526,108.15 |
Connecticut State Checkbook |
| 2022 |
Office Of Early Childhood |
Dept Of Children And Families |
$1,525,911.00 |
Connecticut State Checkbook |
| 2017 |
Department Of Economic & Community Development |
Mdl Realty Llc |
$1,525,910.00 |
Connecticut State Checkbook |
| 2024 |
Office Of Early Childhood |
Covendis |
$1,525,671.76 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Transportation |
Smg Corporate Services |
$1,524,944.54 |
Connecticut State Checkbook |
| 2018 |
University Of Connecticut |
Academic Centers Abroad Llc |
$1,524,737.50 |
Connecticut State Checkbook |
| 2019 |
Dept Of Energy & Environ Prot. |
Thomaston Town Treasurer |
$1,524,675.58 |
Connecticut State Checkbook |
| 2018 |
Department Of Administrative Services |
Mci Worldcom International Inc |
$1,524,388.31 |
Connecticut State Checkbook |
| 2018 |
University Of Connecticut |
Simplexgrinnell Lp |
$1,524,337.11 |
Connecticut State Checkbook |
| 2019 |
Econ. & Community Development |
Connstep Inc |
$1,524,175.00 |
Connecticut State Checkbook |
| 2025 |
Office Of Early Childhood |
Family Centered Services Of Ct Inc |
$1,523,931.97 |
Connecticut State Checkbook |
| 2024 |
State Comptroller's Office |
Mythics Llc |
$1,523,693.96 |
Connecticut State Checkbook |
| 2017 |
Department Of Housing |
Lawnhill Terrace 1 Limited Partnership |
$1,523,588.00 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Transportation |
Crown Castle Fiber Llc |
$1,523,285.02 |
Connecticut State Checkbook |
| 2023 |
Office Of The State Treasurer |
Attucks Asset Management Llc |
$1,523,262.60 |
Connecticut State Checkbook |
| 2020 |
Mental Health & Addiction Serv |
Keystone House Inc |
$1,523,061.00 |
Connecticut State Checkbook |
| 2018 |
Department Of Administrative Services |
Dell Marketing Lp |
$1,522,779.03 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Transportation |
New England Road Inc |
$1,522,752.34 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Town Of Rocky Hill |
$1,522,539.33 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
Western Connecticut Council Of Governments |
$1,522,392.98 |
Connecticut State Checkbook |
| 2019 |
Dept. Of Children And Families |
Child Guidance Center Of Southern Connecticut Inc |
$1,522,043.00 |
Connecticut State Checkbook |
| 2022 |
Office Of Early Childhood |
Town Of Windham |
$1,521,606.37 |
Connecticut State Checkbook |
| 2025 |
Office Of Early Childhood |
Hope For New Haven Inc |
$1,521,359.93 |
Connecticut State Checkbook |
| 2017 |
Department Of Mental Heath And Addiction Services |
Danbury Hospital |
$1,520,730.34 |
Connecticut State Checkbook |
| 2024 |
Department Of Housing |
Town Of Ledyard |
$1,520,685.00 |
Connecticut State Checkbook |
| 2018 |
Connecticut Airport Authority |
Engineered Arresting Systems Corporation |
$1,520,400.00 |
Connecticut State Checkbook |
| 2024 |
Department Of Development Serv |
Eversource Cl&P |
$1,520,039.37 |
Connecticut State Checkbook |
| 2017 |
State Department Of Education |
Town Of Scotland |
$1,519,192.00 |
Connecticut State Checkbook |
| 2023 |
Dept. Of Motor Vehicles |
Carahsoft Technology Corporation |
$1,519,130.49 |
Connecticut State Checkbook |
| 2017 |
State Dept Of Rehabilitation |
Transitional Employment Unlimited Inc |
$1,518,659.60 |
Connecticut State Checkbook |
| 2017 |
Department Of Transportation |
Milone & Macbroom Inc |
$1,518,457.71 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Children And Families |
Child Guidance Center Of Mid-Fairfield County |
$1,518,031.00 |
Connecticut State Checkbook |
| 2019 |
Dept Of Administrative Svcs |
Arcadis Us Inc |
$1,517,937.12 |
Connecticut State Checkbook |
| 2022 |
Dept. Of Children And Families |
United Way Of Connecticut Inc |
$1,517,367.33 |
Connecticut State Checkbook |
| 2021 |
Dept. Of Transportation |
Arrow Line Acquisition Llc |
$1,517,364.75 |
Connecticut State Checkbook |
| 2025 |
Econ. & Community Development |
Readyct Inc |
$1,517,075.32 |
Connecticut State Checkbook |
| 2020 |
Department Of Housing |
Neighborhood Housing Services Of New Haven Inc |
$1,516,952.00 |
Connecticut State Checkbook |
| 2020 |
Econ. & Community Development |
Adams & Knight Inc |
$1,516,419.84 |
Connecticut State Checkbook |
| 2019 |
Dept Of Energy & Environ Prot. |
Town Of Montville |
$1,516,322.50 |
Connecticut State Checkbook |
| 2019 |
Dept Of Energy & Environ Prot. |
Town Of Watertown |
$1,516,288.01 |
Connecticut State Checkbook |
| 2025 |
Dept. Of Transportation |
Pan Am Southern Llc |
$1,516,145.21 |
Connecticut State Checkbook |
| 2018 |
University Of Connecticut |
Apple Inc |
$1,515,918.42 |
Connecticut State Checkbook |
| 2024 |
Department Of Development Serv |
Horizons Inc |
$1,515,901.22 |
Connecticut State Checkbook |
| 2017 |
Office Of Policy & Management |
Trumbull Town Treasurer |
$1,515,743.14 |
Connecticut State Checkbook |
| 2022 |
Judicial Branch |
Etchasoft Incorporated |
$1,515,663.59 |
Connecticut State Checkbook |
| 2020 |
Dept Of Emrg Svc & Public Prot |
Quinebaug Valley Emergency Communications Inc |
$1,515,414.37 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
T Y Lin International Inc |
$1,515,410.20 |
Connecticut State Checkbook |
| 2023 |
Department Of Housing |
Town Of Coventry |
$1,515,000.00 |
Connecticut State Checkbook |
| 2019 |
Dept Of Emrg Svc & Public Prot |
Life Technologies Corp |
$1,514,826.24 |
Connecticut State Checkbook |
| 2022 |
Econ. & Community Development |
Dept Of Labor |
$1,514,739.44 |
Connecticut State Checkbook |
| 2018 |
Department Of Social Services |
En Pointe Technologies Sales Llc |
$1,514,343.98 |
Connecticut State Checkbook |
| 2018 |
Uconn Health Center |
Connecticut Natural Gas Corp |
$1,514,328.97 |
Connecticut State Checkbook |
| 2019 |
Department Of Development Serv |
Robin's Nest Intergenerational Daycare Llc |
$1,514,238.74 |
Connecticut State Checkbook |
| 2024 |
Dept. Of Transportation |
Alfred Benesch & Company |
$1,514,123.27 |
Connecticut State Checkbook |
| 2022 |
Office Of Policy & Management |
Town Of Rocky Hill |
$1,513,892.81 |
Connecticut State Checkbook |
| 2017 |
Department Of Mental Heath And Addiction Services |
Connecticut Comm For Addiction Recovery |
$1,513,590.96 |
Connecticut State Checkbook |
| 2019 |
Mental Health & Addiction Serv |
Keystone House Inc |
$1,513,443.00 |
Connecticut State Checkbook |
| 2024 |
State Dept Of Education |
Town Of Bozrah |
$1,512,164.82 |
Connecticut State Checkbook |
| 2022 |
Office Of The State Treasurer |
Attucks Asset Management Llc |
$1,511,844.69 |
Connecticut State Checkbook |
| 2020 |
Dept. Of Correction |
Kinsa |
$1,511,825.00 |
Connecticut State Checkbook |