| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2024 |
Health Services, Department Of |
Cardinal Health 110 Inc |
$8,208,088.38 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Life Technologies Corporation |
$8,196,280.86 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Msa Professional Services Inc |
$8,192,847.53 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
Bruker Biospin Corp |
$8,184,296.91 |
Wisconsin State Checkbook |
| 2018 |
Public Instruction, Department Of |
Act Inc |
$8,170,239.75 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
Chartwells Dining Services |
$8,168,470.21 |
Wisconsin State Checkbook |
| 2017 |
Building Commission |
Sonag Company Inc |
$8,167,079.65 |
Wisconsin State Checkbook |
| 2017 |
Building Commission |
Sonag Company Inc |
$8,167,079.65 |
Wisconsin State Checkbook |
| 2022 |
Health Services, Department Of |
Wire Payment - Us Bank |
$8,161,638.00 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Corre Inc |
$8,153,015.11 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Graef |
$8,148,720.23 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
City Of Madison |
$8,142,887.97 |
Wisconsin State Checkbook |
| 2017 |
Agriculture, Trade And Consumer Protection, Department Of |
Employee Trust Funds |
$8,142,007.22 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
Sodexo Inc |
$8,127,740.99 |
Wisconsin State Checkbook |
| 2024 |
Employee Trust Funds, Department Of |
Webmd Health Services Group Inc |
$8,121,649.35 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Jacobs Engineering Inc |
$8,112,921.18 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Chartwells Dining |
$8,111,980.01 |
Wisconsin State Checkbook |
| 2024 |
Military Affairs, Department Of |
Department Of Administration |
$8,109,529.60 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Wi & Southern Railroad |
$8,086,945.92 |
Wisconsin State Checkbook |
| 2023 |
Workforce Development, Department Of |
Flexion Inc |
$8,086,633.49 |
Wisconsin State Checkbook |
| 2017 |
Agriculture, Trade And Consumer Protection, Department Of |
Employee Trust Funds |
$8,079,324.67 |
Wisconsin State Checkbook |
| 2022 |
Employee Trust Funds, Department Of |
Webmd Health Services Group Inc |
$8,074,753.36 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Ayres Associates Inc |
$8,074,263.17 |
Wisconsin State Checkbook |
| 2019 |
Public Instruction, Department Of |
Drc/Ctb |
$8,070,399.11 |
Wisconsin State Checkbook |
| 2019 |
Public Instruction, Department Of |
Drc/Ctb |
$8,070,399.11 |
Wisconsin State Checkbook |
| 2024 |
Health Services, Department Of |
Medasource |
$8,068,443.48 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Knupp & Watson & Wallman, Inc |
$8,066,806.65 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Kapur & Associates Inc |
$8,054,867.05 |
Wisconsin State Checkbook |
| 2025 |
Military Affairs, Department Of |
Employee Trust Funds |
$8,038,723.63 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Department Of Corrections |
$8,033,532.65 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Treas City Milwaukee |
$8,021,519.80 |
Wisconsin State Checkbook |
| 2022 |
Agriculture, Trade And Consumer Protection, Department Of |
Employee Trust Funds |
$8,020,932.03 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$8,019,793.02 |
Wisconsin State Checkbook |
| 2022 |
Justice, Department Of |
Employee Trust Funds |
$8,018,521.63 |
Wisconsin State Checkbook |
| 2021 |
Public Employee Trust |
Minnesota Life Insurance Co |
$8,015,019.78 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Kl Engineering Inc |
$8,001,954.57 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Century Fence Co |
$8,000,573.24 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Waukesha County |
$7,997,548.17 |
Wisconsin State Checkbook |
| 2025 |
Administration, Department Of |
Carahsoft Technology Corp |
$7,992,298.13 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Lalonde Contractors Inc |
$7,983,136.62 |
Wisconsin State Checkbook |
| 2018 |
Agriculture, Trade And Consumer Protection, Department Of |
Employee Trust Funds |
$7,974,569.68 |
Wisconsin State Checkbook |
| 2022 |
Veterans Affairs, Department Of |
Health Dimensions Group |
$7,958,865.85 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Kapur & Associates Inc |
$7,950,225.74 |
Wisconsin State Checkbook |
| 2017 |
Justice, Department Of |
Employee Trust Funds |
$7,942,812.54 |
Wisconsin State Checkbook |
| 2017 |
Justice, Department Of |
Employee Trust Funds |
$7,942,812.54 |
Wisconsin State Checkbook |
| 2017 |
Public Defender Board |
Employee Trust Funds |
$7,936,749.39 |
Wisconsin State Checkbook |
| 2019 |
Agriculture, Trade And Consumer Protection, Department Of |
Employee Trust Funds |
$7,934,754.31 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Allegis Global Solutions Inc |
$7,924,966.82 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Vwr International Llc |
$7,921,268.36 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Capital Data Inc |
$7,920,920.18 |
Wisconsin State Checkbook |
| 2023 |
Public Defender Board |
Employee Trust Funds |
$7,917,417.21 |
Wisconsin State Checkbook |
| 2025 |
Employee Trust Funds, Department Of |
Webmd Health Services Group Inc |
$7,906,485.61 |
Wisconsin State Checkbook |
| 2020 |
Capital Improvement |
Joe Daniels Constr Co Inc |
$7,900,846.77 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Ayres Associates |
$7,898,792.38 |
Wisconsin State Checkbook |
| 2022 |
Administration, Department Of |
Ibm Corporation |
$7,888,847.68 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Mead & Hunt Inc |
$7,884,014.82 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Winnebago County |
$7,877,014.51 |
Wisconsin State Checkbook |
| 2017 |
Building Commission |
Joe Daniels Constr Co Inc |
$7,868,282.42 |
Wisconsin State Checkbook |
| 2017 |
Building Commission |
Joe Daniels Constr Co Inc |
$7,868,282.42 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Strand Assoc Inc |
$7,865,020.29 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Waukesha County |
$7,847,836.19 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Tapfin Process Solutions |
$7,835,346.38 |
Wisconsin State Checkbook |
| 2023 |
District Attorneys |
Employee Trust Funds |
$7,826,895.54 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Xcel Energy |
$7,810,268.36 |
Wisconsin State Checkbook |
| 2018 |
Employee Trust Funds, Department Of |
Staywell Company Llc, The |
$7,792,617.94 |
Wisconsin State Checkbook |
| 2019 |
Administration, Department Of |
Corvel Corporation |
$7,792,127.96 |
Wisconsin State Checkbook |
| 2019 |
Administration, Department Of |
Corvel Corporation |
$7,792,127.96 |
Wisconsin State Checkbook |
| 2019 |
Children And Families, Department Of |
Department Of Administration |
$7,790,597.77 |
Wisconsin State Checkbook |
| 2019 |
Children And Families, Department Of |
Department Of Administration |
$7,790,597.77 |
Wisconsin State Checkbook |
| 2025 |
Health Services, Department Of |
Metastar, Inc. |
$7,769,578.21 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Levy Restaurants |
$7,769,334.67 |
Wisconsin State Checkbook |
| 2024 |
Children And Families, Department Of |
Cgi |
$7,765,925.74 |
Wisconsin State Checkbook |
| 2016 |
University Of Wisconsin System |
At&T |
$7,764,854.21 |
Wisconsin State Checkbook |
| 2022 |
Public Instruction, Department Of |
Drc/Ctb |
$7,762,260.50 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Highway Landscapers Inc |
$7,756,521.22 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Chartwells Dining Services |
$7,745,748.25 |
Wisconsin State Checkbook |
| 2024 |
Veterans Affairs, Department Of |
Department Of Administration |
$7,739,937.82 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Corre Inc |
$7,732,058.29 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Jt Engineering Inc |
$7,724,789.92 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
R.J. Jurowski Construction, Inc |
$7,722,662.42 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Short Elliott Hendrickson Inc |
$7,715,471.96 |
Wisconsin State Checkbook |
| 2025 |
Health Services, Department Of |
Shi Intl Corp |
$7,715,020.94 |
Wisconsin State Checkbook |
| 2019 |
Building Commission |
R.J. Jurowski Construction, Inc |
$7,713,606.14 |
Wisconsin State Checkbook |
| 2019 |
Building Commission |
R.J. Jurowski Construction, Inc |
$7,713,606.14 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
J P Cullen & Sons Inc |
$7,706,664.10 |
Wisconsin State Checkbook |
| 2023 |
Public Instruction, Department Of |
Drc/Ctb |
$7,701,801.87 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
At&T |
$7,695,132.44 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Columbia County |
$7,691,214.86 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Milwaukee, City Of |
$7,678,697.54 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
Vwr International Llc |
$7,675,980.26 |
Wisconsin State Checkbook |
| 2018 |
Legislature |
Employee Trust Funds |
$7,673,611.37 |
Wisconsin State Checkbook |
| 2022 |
Health Services, Department Of |
Unisys Corp |
$7,670,191.83 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Sodexo Inc |
$7,666,584.70 |
Wisconsin State Checkbook |
| 2025 |
Revenue, Department Of |
Hiebing Group Inc, The |
$7,661,955.98 |
Wisconsin State Checkbook |
| 2025 |
Children And Families, Department Of |
Cgi |
$7,652,209.27 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Xcel Energy |
$7,651,034.36 |
Wisconsin State Checkbook |
| 2024 |
Revenue, Department Of |
Hiebing Group Inc, The |
$7,644,397.43 |
Wisconsin State Checkbook |
| 2025 |
Agriculture, Trade And Consumer Protection, Department Of |
Department Of Administration |
$7,638,935.15 |
Wisconsin State Checkbook |
| 2020 |
Capital Improvement |
Market & Johnson Inc |
$7,620,128.73 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Income Continuation Insurance |
$7,617,463.79 |
Wisconsin State Checkbook |