| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2023 |
University Of Wisconsin System |
Dis-Danish Institute For Study Abroad |
$2,479,695.00 |
Wisconsin State Checkbook |
| 2025 |
Historical Society |
Employee Trust Funds |
$2,478,108.22 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Zoo North Partners, Joint Venture, Llc |
$2,477,821.28 |
Wisconsin State Checkbook |
| 2023 |
Administration, Department Of |
Us Bank Supplier For P-Card Payments |
$2,476,702.33 |
Wisconsin State Checkbook |
| 2024 |
Public Defender Board |
Department Of Administration |
$2,475,767.61 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Tapco |
$2,474,813.66 |
Wisconsin State Checkbook |
| 2024 |
Building Commission |
August Winter & Sons Inc |
$2,472,713.82 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Heliocampus Inc |
$2,472,398.00 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Fed-Medicare Specialized Disb. Supplier |
$2,471,900.84 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Rule Construction Ltd |
$2,470,868.09 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Tri-County Partners |
$2,470,590.72 |
Wisconsin State Checkbook |
| 2023 |
Corrections, Department Of |
Wisconsin Power & Light Co |
$2,468,816.14 |
Wisconsin State Checkbook |
| 2016 |
University Of Wisconsin System |
Wi Public Ser Corp |
$2,468,235.03 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Construction Management Partners Llc |
$2,467,284.09 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
La Crosse County |
$2,466,900.90 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Cdw Government Inc |
$2,465,045.79 |
Wisconsin State Checkbook |
| 2018 |
Public Instruction, Department Of |
Wisconsin Retirement System |
$2,464,546.64 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Wi & Southern Railroad |
$2,462,045.32 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Sigma Aldrich |
$2,462,000.97 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Jefferson County |
$2,461,846.76 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Life Technologies Corp |
$2,461,450.93 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Trc Environmental Corp |
$2,461,381.34 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Juneau County |
$2,461,122.99 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Cgc Inc |
$2,460,077.40 |
Wisconsin State Checkbook |
| 2024 |
Administration, Department Of |
Us Bank Supplier For P-Card Payments |
$2,458,634.09 |
Wisconsin State Checkbook |
| 2023 |
Health Services, Department Of |
Cerner Corporation |
$2,458,508.00 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
Haymarket Concepts Llc |
$2,457,889.13 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Cgc Inc |
$2,455,309.34 |
Wisconsin State Checkbook |
| 2019 |
Administration, Department Of |
Insight Public Sector |
$2,455,056.31 |
Wisconsin State Checkbook |
| 2019 |
Administration, Department Of |
Insight Public Sector |
$2,455,056.31 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Collins Engineers Inc |
$2,454,150.06 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Michael Baker International |
$2,453,303.19 |
Wisconsin State Checkbook |
| 2017 |
Health Services, Department Of |
Spherion Staffing |
$2,452,571.98 |
Wisconsin State Checkbook |
| 2017 |
Health Services, Department Of |
Spherion Staffing |
$2,452,571.98 |
Wisconsin State Checkbook |
| 2022 |
Supreme Court |
Employee Trust Funds |
$2,451,352.38 |
Wisconsin State Checkbook |
| 2025 |
Natural Resources, Department Of |
Camis Usa Inc |
$2,450,545.03 |
Wisconsin State Checkbook |
| 2024 |
Building Commission |
River Architects Inc |
$2,450,215.16 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Bloom Companies Inc |
$2,449,917.04 |
Wisconsin State Checkbook |
| 2017 |
Administration, Department Of |
Us Bank Supplier For Fuel/fleet Card |
$2,449,359.12 |
Wisconsin State Checkbook |
| 2017 |
Administration, Department Of |
Us Bank Supplier For Fuel/Fleet Card |
$2,449,359.12 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Washington University |
$2,448,736.69 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
Building Restoration Corp / Wi |
$2,444,815.43 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Aashto |
$2,443,924.21 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Fortyonenorth Partners |
$2,443,765.06 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
University Research Park Inc |
$2,442,479.06 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Uw-Milwaukee |
$2,441,265.67 |
Wisconsin State Checkbook |
| 2019 |
Building Commission |
Toki & Associates Inc |
$2,440,819.82 |
Wisconsin State Checkbook |
| 2019 |
Building Commission |
Toki & Associates Inc |
$2,440,819.82 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Hoffman York |
$2,440,001.99 |
Wisconsin State Checkbook |
| 2019 |
Circuit Courts |
Wisconsin Retirement System |
$2,438,917.63 |
Wisconsin State Checkbook |
| 2019 |
Circuit Courts |
Wisconsin Retirement System |
$2,438,917.63 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Treas Manitowoc County |
$2,438,355.89 |
Wisconsin State Checkbook |
| 2024 |
Building Commission |
Veterans Electric Llc |
$2,437,492.75 |
Wisconsin State Checkbook |
| 2019 |
Public Instruction, Department Of |
Cesa #6 |
$2,437,436.14 |
Wisconsin State Checkbook |
| 2019 |
Public Instruction, Department Of |
Cesa #6 |
$2,437,436.14 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Peters Concrete Co |
$2,436,670.64 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Oneida Engineering Solutions |
$2,433,318.40 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Regents Of The University Of Michigan |
$2,432,767.88 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Fastenal Company |
$2,432,534.07 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Rock County |
$2,431,780.60 |
Wisconsin State Checkbook |
| 2023 |
Corrections, Department Of |
Cerner Corporation |
$2,431,714.97 |
Wisconsin State Checkbook |
| 2025 |
Workforce Development, Department Of |
Shi Intl Corp |
$2,431,663.46 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Uw Health |
$2,431,509.38 |
Wisconsin State Checkbook |
| 2024 |
Building Commission |
Building Restoration Corp / Wi |
$2,431,037.51 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Langlade County |
$2,430,880.15 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Monroe Co Hwy Dept |
$2,429,960.66 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
V Marchese Inc |
$2,428,336.56 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
Camera Corner Connecting Point |
$2,427,301.80 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Fahrner Asphalt Sealers Llc |
$2,426,227.61 |
Wisconsin State Checkbook |
| 2016 |
University Of Wisconsin System |
J H Findorff & Son |
$2,424,614.61 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
Somerville Inc |
$2,424,312.69 |
Wisconsin State Checkbook |
| 2025 |
Public Defender Board |
Department Of Administration |
$2,423,686.38 |
Wisconsin State Checkbook |
| 2017 |
Building Commission |
Bachmann Construction Co Inc |
$2,423,683.47 |
Wisconsin State Checkbook |
| 2017 |
Building Commission |
Bachmann Construction Co Inc |
$2,423,683.47 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
Vendi Advertising Llc |
$2,423,153.44 |
Wisconsin State Checkbook |
| 2021 |
Conservation |
Wisconsin Interactive Network |
$2,422,529.27 |
Wisconsin State Checkbook |
| 2025 |
Corrections, Department Of |
Wisconsin Power & Light Co |
$2,422,393.91 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
Leica Microsystems Inc |
$2,420,237.57 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Vanderbilt University |
$2,419,840.37 |
Wisconsin State Checkbook |
| 2017 |
Public Defender Board |
Wisconsin Retirement System |
$2,419,249.72 |
Wisconsin State Checkbook |
| 2021 |
Capital Improvement |
Dirty Ducts Cleaning |
$2,418,787.92 |
Wisconsin State Checkbook |
| 2022 |
Natural Resources, Department Of |
Automotive Rentals Inc |
$2,417,484.29 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Trustees Of Columbia University In The |
$2,416,235.91 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Gallagher Health & Special Risk |
$2,415,728.09 |
Wisconsin State Checkbook |
| 2022 |
Safety And Professional Services, Department Of |
Deloitte Consulting |
$2,415,158.02 |
Wisconsin State Checkbook |
| 2023 |
Natural Resources, Department Of |
Elavon Inc |
$2,413,785.37 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Eyekor Llc |
$2,413,531.90 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Martin Brothers Distributing Co Inc |
$2,412,660.31 |
Wisconsin State Checkbook |
| 2024 |
Justice, Department Of |
Us Bank Supplier For P-Card Payments |
$2,412,210.26 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Big Ten Academic Alliance |
$2,409,652.94 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Waupun Utilities |
$2,409,154.72 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
We Energies |
$2,408,564.64 |
Wisconsin State Checkbook |
| 2023 |
Health Services, Department Of |
Aids Resource Center Of Wi Inc |
$2,408,529.00 |
Wisconsin State Checkbook |
| 2016 |
University Of Wisconsin System |
Indianhead Food Serv |
$2,408,119.94 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Cgc Inc |
$2,406,734.68 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Wolf Paving Co Inc |
$2,406,626.31 |
Wisconsin State Checkbook |
| 2023 |
Administration, Department Of |
Department Of Transportation |
$2,406,504.46 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
City Of Milwaukee |
$2,404,294.87 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Pierce County |
$2,403,941.55 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
West Information Publ Group |
$2,403,844.08 |
Wisconsin State Checkbook |