| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2024 |
Administration, Department Of |
Public Service Commission |
$21,921,846.53 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Musson Bros Inc |
$21,897,616.53 |
Wisconsin State Checkbook |
| 2016 |
University Of Wisconsin System |
Us Bank |
$21,884,882.81 |
Wisconsin State Checkbook |
| 2017 |
Administration, Department Of |
Tapfin Process Solutions |
$21,863,463.37 |
Wisconsin State Checkbook |
| 2017 |
Administration, Department Of |
Tapfin Process Solutions |
$21,863,463.37 |
Wisconsin State Checkbook |
| 2022 |
Workforce Development, Department Of |
Alorica Inc |
$21,781,159.32 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Huron Consulting Services Llc |
$21,640,142.86 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
University Of Wisconsin Hospitals |
$21,561,073.65 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Data Recognition |
$21,554,901.00 |
Wisconsin State Checkbook |
| 2025 |
Workforce Development, Department Of |
Employee Trust Funds |
$21,482,176.86 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Chippewa Concrete Services Inc |
$21,442,860.83 |
Wisconsin State Checkbook |
| 2024 |
Children And Families, Department Of |
Knowledge Services |
$21,356,826.44 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Single Payment Supplier |
$21,317,039.39 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Compass Minerals America Inc |
$21,302,057.78 |
Wisconsin State Checkbook |
| 2017 |
Building Commission |
J P Cullen & Sons Inc |
$21,102,823.23 |
Wisconsin State Checkbook |
| 2017 |
Building Commission |
J P Cullen & Sons Inc |
$21,102,823.23 |
Wisconsin State Checkbook |
| 2022 |
Health Services, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$20,969,956.44 |
Wisconsin State Checkbook |
| 2019 |
Corrections, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$20,968,980.36 |
Wisconsin State Checkbook |
| 2019 |
Corrections, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$20,968,980.36 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Ae Business Solutions |
$20,958,168.76 |
Wisconsin State Checkbook |
| 2022 |
Revenue, Department Of |
Gtech Corporation |
$20,954,658.14 |
Wisconsin State Checkbook |
| 2016 |
University Of Wisconsin System |
Dept Of Administration |
$20,915,457.68 |
Wisconsin State Checkbook |
| 2023 |
Building Commission |
Market & Johnson Inc |
$20,872,205.79 |
Wisconsin State Checkbook |
| 2018 |
Employee Trust Funds, Department Of |
Etf Ach-Retirees |
$20,872,138.51 |
Wisconsin State Checkbook |
| 2024 |
Administration, Department Of |
Department Of Children And Families |
$20,829,145.52 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Compass Minerals America Inc |
$20,804,850.97 |
Wisconsin State Checkbook |
| 2023 |
Building Commission |
Terra Engineering & Constr Co |
$20,745,979.55 |
Wisconsin State Checkbook |
| 2025 |
Children And Families, Department Of |
Knowledge Services |
$20,729,084.86 |
Wisconsin State Checkbook |
| 2022 |
Corrections, Department Of |
Indianhead Food Sv Distributor |
$20,622,579.78 |
Wisconsin State Checkbook |
| 2023 |
Employee Trust Funds, Department Of |
Strategic Resource Company Src |
$20,501,484.38 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Vinton Construction Co |
$20,450,690.01 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Lunda Construction |
$20,405,789.17 |
Wisconsin State Checkbook |
| 2024 |
Workforce Development, Department Of |
Department Of Administration |
$20,333,801.00 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Compass Minerals America Inc |
$20,306,965.00 |
Wisconsin State Checkbook |
| 2023 |
Workforce Development, Department Of |
Department Of Administration |
$20,244,439.53 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Morton Salt Inc |
$20,241,398.90 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Mashuda Contractors Inc |
$20,230,705.49 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
Dell Marketing Lp |
$20,209,601.44 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Chippewa Concrete Services Inc |
$20,193,039.60 |
Wisconsin State Checkbook |
| 2021 |
Core Retirement Investment Trust |
Strategic Resource Company Src |
$20,185,077.08 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Fisher Scientific Company Llc Catalog |
$20,159,106.87 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Sheet Piling Services Llc |
$20,080,382.24 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Department Of Administration |
$20,043,917.51 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Aecom Technical Services Inc |
$20,022,323.93 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Michels Road & Stone Inc |
$20,007,096.00 |
Wisconsin State Checkbook |
| 2017 |
Administration, Department Of |
At&t |
$19,967,253.20 |
Wisconsin State Checkbook |
| 2017 |
Administration, Department Of |
At&T |
$19,967,253.20 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
A-1 Excavating Inc |
$19,953,875.51 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Corporate Payment Systems |
$19,940,136.60 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
R G Huston Company Inc |
$19,912,807.05 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Corrections, Dept Of |
$19,860,746.68 |
Wisconsin State Checkbook |
| 2025 |
Workforce Development, Department Of |
Department Of Administration |
$19,765,355.59 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Wisconsin Dept Of Administration |
$19,743,162.00 |
Wisconsin State Checkbook |
| 2023 |
Children And Families, Department Of |
Knowledge Services |
$19,738,998.72 |
Wisconsin State Checkbook |
| 2023 |
Employee Trust Funds, Department Of |
Wire Payment - Us Bank |
$19,603,331.00 |
Wisconsin State Checkbook |
| 2022 |
Employee Trust Funds, Department Of |
Strategic Resource Company Src |
$19,558,951.29 |
Wisconsin State Checkbook |
| 2024 |
Workforce Development, Department Of |
Employee Trust Funds |
$19,550,602.41 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Fisher Scientific Company Llc Catalog |
$19,391,113.80 |
Wisconsin State Checkbook |
| 2019 |
Administration, Department Of |
Wisconsin Dept Of Administration |
$19,380,270.56 |
Wisconsin State Checkbook |
| 2019 |
Administration, Department Of |
Wisconsin Dept Of Administration |
$19,380,270.56 |
Wisconsin State Checkbook |
| 2017 |
Health Services, Department Of |
Fed-oasdi Specialized Disb. Supplier |
$19,327,599.73 |
Wisconsin State Checkbook |
| 2017 |
Health Services, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$19,327,599.73 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Lalonde Contractors Inc |
$19,284,995.16 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Single Payment Supplier |
$19,036,053.43 |
Wisconsin State Checkbook |
| 2023 |
Health Services, Department Of |
Sas Institute Inc |
$18,990,739.33 |
Wisconsin State Checkbook |
| 2025 |
Employee Trust Funds, Department Of |
Wire Payment - Us Bank |
$18,970,542.00 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Stark Asphalt |
$18,963,734.51 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Milwaukee County |
$18,962,804.06 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Lalonde Contractors Inc |
$18,933,221.30 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
A W Oakes & Sons |
$18,819,613.47 |
Wisconsin State Checkbook |
| 2019 |
Health Services, Department Of |
Wisconsin Retirement System |
$18,809,516.71 |
Wisconsin State Checkbook |
| 2019 |
Health Services, Department Of |
Wisconsin Retirement System |
$18,809,516.71 |
Wisconsin State Checkbook |
| 2018 |
Workforce Development, Department Of |
Department Of Administration |
$18,644,161.53 |
Wisconsin State Checkbook |
| 2018 |
Employee Trust Funds, Department Of |
Minnesota Life Insurance Co |
$18,626,002.28 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
A-1 Excavating Inc |
$18,607,266.01 |
Wisconsin State Checkbook |
| 2017 |
Building Commission |
Fowler & Hammer Inc |
$18,588,808.94 |
Wisconsin State Checkbook |
| 2017 |
Building Commission |
Fowler & Hammer Inc |
$18,588,808.94 |
Wisconsin State Checkbook |
| 2024 |
Building Commission |
Joe Daniels Constr Co Inc |
$18,579,212.40 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Milwaukee County |
$18,547,619.09 |
Wisconsin State Checkbook |
| 2022 |
Tourism, Department Of |
Hiebing Group Inc, The |
$18,546,754.98 |
Wisconsin State Checkbook |
| 2025 |
Employee Trust Funds, Department Of |
Dean Health Plan Inc |
$18,535,550.00 |
Wisconsin State Checkbook |
| 2025 |
Administration, Department Of |
Pitney Bowes Bank Inc |
$18,508,000.00 |
Wisconsin State Checkbook |
| 2025 |
Corrections, Department Of |
Sunburst Workforce Advisors |
$18,455,783.65 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Kraemer North America Llc |
$18,325,161.13 |
Wisconsin State Checkbook |
| 2023 |
Workforce Development, Department Of |
Employee Trust Funds |
$18,252,364.10 |
Wisconsin State Checkbook |
| 2020 |
Building Trust |
Market & Johnson Inc |
$18,193,984.77 |
Wisconsin State Checkbook |
| 2025 |
Revenue, Department Of |
Employee Trust Funds |
$18,150,524.50 |
Wisconsin State Checkbook |
| 2022 |
Building Commission |
Terra Engineering & Constr Co |
$18,118,531.24 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Jt Engineering Inc |
$18,102,171.55 |
Wisconsin State Checkbook |
| 2018 |
Children And Families, Department Of |
Tapfin Process Solutions |
$18,095,848.35 |
Wisconsin State Checkbook |
| 2025 |
Administration, Department Of |
Arthur J Gallagher Risk Management |
$18,051,679.92 |
Wisconsin State Checkbook |
| 2025 |
Administration, Department Of |
Single Payment Supplier |
$18,046,782.32 |
Wisconsin State Checkbook |
| 2023 |
Administration, Department Of |
Madison Gas & Electric |
$18,042,866.39 |
Wisconsin State Checkbook |
| 2018 |
Children And Families, Department Of |
Department Of Health Services |
$17,937,531.84 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Pitney Bowes Bank Inc |
$17,931,300.98 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Fisher Scientific Company Llc Catalog |
$17,930,235.00 |
Wisconsin State Checkbook |
| 2022 |
Workforce Development, Department Of |
Employee Trust Funds |
$17,927,616.43 |
Wisconsin State Checkbook |
| 2024 |
Tourism, Department Of |
Hiebing Group Inc, The |
$17,921,948.89 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Madison Gas & Electric |
$17,813,107.87 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Aladdin Food Management Services Llc |
$17,769,796.67 |
Wisconsin State Checkbook |