| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2022 |
Transportation, Department Of |
Washington County |
$3,567,235.39 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Knowledge Launch Llc |
$3,567,000.00 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Proquest Llc |
$3,566,081.21 |
Wisconsin State Checkbook |
| 2023 |
Public Instruction, Department Of |
University Of Wisconsin System |
$3,559,701.11 |
Wisconsin State Checkbook |
| 2017 |
Justice, Department Of |
Wisconsin Retirement System |
$3,557,305.47 |
Wisconsin State Checkbook |
| 2017 |
Justice, Department Of |
Wisconsin Retirement System |
$3,557,305.47 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Fastenal Company Kenosha |
$3,556,773.53 |
Wisconsin State Checkbook |
| 2023 |
Building Commission |
Roofed Right America, Llc |
$3,556,195.07 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Aon Risk Services Inc Of Wi |
$3,553,362.90 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Dodge County |
$3,553,254.36 |
Wisconsin State Checkbook |
| 2018 |
Circuit Courts |
Federal Tax Specialized Disb. Supplier |
$3,552,235.94 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Columbia County |
$3,547,324.63 |
Wisconsin State Checkbook |
| 2023 |
Natural Resources, Department Of |
Automotive Rentals Inc |
$3,547,280.66 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Huron Consulting Services Llc |
$3,544,286.77 |
Wisconsin State Checkbook |
| 2025 |
Public Instruction, Department Of |
Wisconsin Retirement System |
$3,544,218.90 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Ae Business Solutions |
$3,542,423.82 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Jewell Assoc Engineers Inc |
$3,541,565.90 |
Wisconsin State Checkbook |
| 2017 |
Building Commission |
Haas Sons Inc |
$3,540,167.36 |
Wisconsin State Checkbook |
| 2017 |
Building Commission |
Haas Sons Inc |
$3,540,167.36 |
Wisconsin State Checkbook |
| 2023 |
Circuit Courts |
Fed-Oasdi Specialized Disb. Supplier |
$3,539,400.72 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
V Marchese Inc |
$3,533,624.70 |
Wisconsin State Checkbook |
| 2019 |
Veterans Affairs, Department Of |
Us Bank Supplier For P-Card Payments |
$3,532,110.41 |
Wisconsin State Checkbook |
| 2019 |
Veterans Affairs, Department Of |
Us Bank Supplier For P-Card Payments |
$3,532,110.41 |
Wisconsin State Checkbook |
| 2024 |
Children And Families, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$3,531,903.08 |
Wisconsin State Checkbook |
| 2023 |
Children And Families, Department Of |
Wisconsin Retirement System |
$3,530,508.76 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Performance Foodservice |
$3,524,412.88 |
Wisconsin State Checkbook |
| 2019 |
Building Commission |
Terra Engineering & Constr Co |
$3,520,260.61 |
Wisconsin State Checkbook |
| 2019 |
Building Commission |
Terra Engineering & Constr Co |
$3,520,260.61 |
Wisconsin State Checkbook |
| 2017 |
Veterans Affairs, Department Of |
Fed-oasdi Specialized Disb. Supplier |
$3,515,251.02 |
Wisconsin State Checkbook |
| 2017 |
Veterans Affairs, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$3,515,251.02 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Iverson Construction, Llc |
$3,512,986.43 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Wisconsin Cheesemakers Association |
$3,511,370.00 |
Wisconsin State Checkbook |
| 2022 |
Justice, Department Of |
Wisconsin Retirement System |
$3,511,151.15 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Marinette County |
$3,508,815.47 |
Wisconsin State Checkbook |
| 2018 |
Children And Families, Department Of |
Xerox State & Local Solutions |
$3,507,992.66 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Walworth County Hwy Department |
$3,505,746.97 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Edgerton Conractors Inc |
$3,503,628.88 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Fastenal Company |
$3,503,052.36 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Badger State Industries |
$3,500,604.05 |
Wisconsin State Checkbook |
| 2022 |
Health Services, Department Of |
Ihealth Lab Inc |
$3,500,000.00 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Alfred Benesch & Company |
$3,497,873.13 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Outagamie County |
$3,496,843.44 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Board Of Regents Uw System |
$3,492,050.53 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
Illingworth-Kilgust Mechanical |
$3,490,774.46 |
Wisconsin State Checkbook |
| 2023 |
Building Commission |
Zignego Co Inc |
$3,490,493.39 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Fed-Medicare Specialized Disb. Supplier |
$3,490,397.90 |
Wisconsin State Checkbook |
| 2025 |
Public Instruction, Department Of |
Graduation Alliance Inc |
$3,490,000.00 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Fisher Scientific |
$3,489,382.45 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Dunn County |
$3,488,619.76 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
W W Grainger Inc |
$3,486,070.46 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Treas Outagamie County |
$3,481,895.53 |
Wisconsin State Checkbook |
| 2020 |
Capital Improvement |
Speedway Sand & Gravel Inc |
$3,481,111.59 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Shi |
$3,477,991.41 |
Wisconsin State Checkbook |
| 2018 |
Safety And Professional Services, Department Of |
Department Of Administration |
$3,472,251.53 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Cdw Government Inc |
$3,472,044.10 |
Wisconsin State Checkbook |
| 2017 |
Health Services, Department Of |
Cerner Corporation |
$3,471,063.00 |
Wisconsin State Checkbook |
| 2017 |
Health Services, Department Of |
Cerner Corporation |
$3,471,063.00 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Outagamie County |
$3,467,489.83 |
Wisconsin State Checkbook |
| 2023 |
Building Commission |
Hernandez Roofing Llc |
$3,464,855.61 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Staff Electric Co Inc |
$3,464,758.82 |
Wisconsin State Checkbook |
| 2024 |
Building Commission |
Jmj Construction Company Inc |
$3,464,565.45 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Musson Bros Inc |
$3,463,304.63 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
I&S Group Inc |
$3,462,128.16 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Insight Public Sector |
$3,453,048.26 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Relyco Inc |
$3,444,866.46 |
Wisconsin State Checkbook |
| 2022 |
Corrections, Department Of |
Mortenson Investment Group Llc |
$3,439,223.30 |
Wisconsin State Checkbook |
| 2024 |
Natural Resources, Department Of |
Automotive Rentals Inc |
$3,438,551.68 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Cbn Secure Technologies Inc |
$3,438,059.92 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Milwaukee, City Of |
$3,435,359.23 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Laughlin Constable Inc |
$3,431,555.04 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Daktronics Inc |
$3,430,321.30 |
Wisconsin State Checkbook |
| 2020 |
Capital Improvement |
C G Schmidt Inc |
$3,429,531.43 |
Wisconsin State Checkbook |
| 2025 |
Administration, Department Of |
Shi Intl Corp |
$3,429,343.18 |
Wisconsin State Checkbook |
| 2025 |
Supreme Court |
Employee Trust Funds |
$3,423,710.00 |
Wisconsin State Checkbook |
| 2025 |
Legislature |
Wisconsin Retirement System |
$3,422,484.20 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Department Of Corrections |
$3,422,454.50 |
Wisconsin State Checkbook |
| 2024 |
Building Commission |
Cardinal Construction Co Inc |
$3,420,990.25 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Academic Partnerships Llc |
$3,419,289.50 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Dodge County |
$3,417,849.36 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Santa Reparata Intl School Of Art |
$3,417,056.76 |
Wisconsin State Checkbook |
| 2023 |
Natural Resources, Department Of |
Wex Bank |
$3,414,352.58 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
City Of Wisconsin Dells |
$3,413,859.76 |
Wisconsin State Checkbook |
| 2022 |
Public Instruction, Department Of |
University Of Wisconsin System |
$3,412,206.50 |
Wisconsin State Checkbook |
| 2022 |
Historical Society |
Department Of Administration |
$3,411,998.59 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Iowa Dept Of Transportation |
$3,410,667.93 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Chartwell Dining Services |
$3,408,430.01 |
Wisconsin State Checkbook |
| 2022 |
Building Commission |
Joe Daniels Constr Co Inc |
$3,405,702.46 |
Wisconsin State Checkbook |
| 2018 |
Veterans Affairs, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$3,404,388.95 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
Sigma Aldrich Inc |
$3,402,670.11 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Treas Washington County |
$3,402,217.93 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Concrete Structures Inc |
$3,401,403.17 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Winnebago County |
$3,398,872.36 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Shawano County |
$3,394,458.95 |
Wisconsin State Checkbook |
| 2022 |
Children And Families, Department Of |
University Of Wisconsin System |
$3,392,292.88 |
Wisconsin State Checkbook |
| 2024 |
Administration, Department Of |
Public Defender Board |
$3,388,421.38 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Radtke Contractors Inc |
$3,387,724.95 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Capital Data Inc |
$3,384,153.52 |
Wisconsin State Checkbook |
| 2023 |
Children And Families, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$3,382,748.38 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Tapco |
$3,378,593.11 |
Wisconsin State Checkbook |
| 2022 |
Building Commission |
Mike Koenig Constr Co Inc |
$3,376,609.33 |
Wisconsin State Checkbook |