| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2020 |
Transportation |
Wisconsin Dept Of Administration |
$952,079.18 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Strang Inc |
$952,019.57 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Postmaster Madison |
$951,925.62 |
Wisconsin State Checkbook |
| 2018 |
Building Commission |
Workshop Architects Inc |
$951,751.40 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Morton Salt Inc |
$951,367.35 |
Wisconsin State Checkbook |
| 2024 |
Revenue, Department Of |
Shi Intl Corp |
$951,271.05 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Dhs Ach - Cars |
$951,186.59 |
Wisconsin State Checkbook |
| 2025 |
Public Service Commission |
Hamilton Relay, Inc |
$950,997.45 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Oshkosh, City Of |
$950,745.60 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Paul Davis Restoration Of Se Wi Inc |
$950,320.24 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Ruotsala Construction Llc |
$950,244.99 |
Wisconsin State Checkbook |
| 2024 |
Natural Resources, Department Of |
Fabick Cat, Fabick Power Systems |
$950,027.66 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Iron County |
$950,027.32 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
J H Hassinger Inc |
$949,823.05 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Spectrum |
$949,565.63 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Lenovo Global Technology |
$949,531.41 |
Wisconsin State Checkbook |
| 2018 |
Public Instruction, Department Of |
Cesa #11 |
$949,458.72 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
United Cooperative |
$949,367.05 |
Wisconsin State Checkbook |
| 2024 |
Administration, Department Of |
Experis Finance Us Llc |
$949,197.65 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Forum One Communications |
$949,184.72 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Capital Park Assoc Llp |
$949,167.48 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
T2 Systems Inc |
$948,671.48 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
College Source Inc |
$948,605.20 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Burnett County |
$948,546.80 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Quanterix Corp |
$947,929.97 |
Wisconsin State Checkbook |
| 2018 |
Public Instruction, Department Of |
Career Cruising |
$947,656.00 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
I&S Group Inc |
$947,653.89 |
Wisconsin State Checkbook |
| 2022 |
Transportation |
Radtke Contractors Inc |
$947,114.39 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Fond Du Lac, City Of |
$947,073.33 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Winnebago County |
$947,064.03 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Assessment Technologies Institute, Llc |
$946,975.00 |
Wisconsin State Checkbook |
| 2024 |
Legislature |
Consovoy Mccarthy Park Pllc |
$946,778.38 |
Wisconsin State Checkbook |
| 2017 |
Building Commission |
Rewald Electric Co Inc |
$946,408.35 |
Wisconsin State Checkbook |
| 2024 |
Veterans Affairs, Department Of |
Madison Real Estate Prop |
$945,919.36 |
Wisconsin State Checkbook |
| 2018 |
Building Commission |
Mckinstry Essention Llc |
$945,886.90 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Skc Communication Products Llc |
$945,793.96 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Kobussen Buses Ltd |
$945,398.48 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Staff Electric Co |
$945,062.93 |
Wisconsin State Checkbook |
| 2024 |
Public Service Commission |
Wisconsin Retirement System |
$944,968.84 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Career Cruising |
$944,859.00 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Linkedin Corporation |
$944,715.68 |
Wisconsin State Checkbook |
| 2019 |
Building Commission |
Speedway Sand & Gravel Inc |
$944,652.10 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
University Of Maryland |
$944,552.50 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Trustees Of Princeton University |
$944,481.49 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Knupp & Watson & Wallman, Inc |
$944,102.61 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Gundersen Lutheran Medical Foundation |
$943,954.32 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
Nieman Central Wi Roofing Co |
$943,688.25 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Reinhart Foodservice Llc |
$943,390.61 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Regents Of The University Of California |
$942,458.65 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Sirius Computer Solutions |
$942,434.28 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Emcs Inc |
$941,804.71 |
Wisconsin State Checkbook |
| 2022 |
Veterans Trust |
Employee Trust Funds |
$941,744.99 |
Wisconsin State Checkbook |
| 2017 |
Health Services, Department Of |
Luxvida Llc |
$941,090.51 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Mortenson Safar Kim, Inc. |
$941,027.61 |
Wisconsin State Checkbook |
| 2025 |
Revenue, Department Of |
Shi Intl Corp |
$940,059.67 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Huron Consulting Services Llc |
$939,454.42 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Wisconsin Historical Society |
$939,316.44 |
Wisconsin State Checkbook |
| 2025 |
Public Instruction, Department Of |
University Of Kansas |
$939,220.00 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
I&S Group Inc |
$939,052.47 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Xcel Energy |
$938,481.73 |
Wisconsin State Checkbook |
| 2025 |
Workforce Development, Department Of |
Department Of Health Services |
$938,369.93 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Creative Business Interiors Inc |
$938,317.47 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Inmate Calling Solutions |
$938,293.19 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
Glen Fern Construction Llc |
$938,261.65 |
Wisconsin State Checkbook |
| 2017 |
Building Commission |
Max Gray Construction Inc |
$938,218.32 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Qiagen Inc |
$937,874.43 |
Wisconsin State Checkbook |
| 2018 |
Wisconsin Economic Development Corporation |
Wisconsin Center For Manufacturing & Productivity, Inc. |
$937,500.00 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Village Of Deforest |
$937,492.14 |
Wisconsin State Checkbook |
| 2019 |
Corrections, Department Of |
Income Continuation Insurance |
$937,184.47 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Ann & Robert H Lurie Childrens Hospital |
$936,834.03 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Medical College Of Wisconsin Inc, The |
$936,402.29 |
Wisconsin State Checkbook |
| 2018 |
Investment Board |
Us Bank Supplier For P-Card Payments |
$936,396.10 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Schneider Electric Buildings |
$936,037.66 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
Wieser Brothers |
$935,264.87 |
Wisconsin State Checkbook |
| 2018 |
Building Commission |
Zimmerman Architectural |
$935,126.52 |
Wisconsin State Checkbook |
| 2021 |
Capital Improvement |
Rock Church Construction Inc |
$934,753.63 |
Wisconsin State Checkbook |
| 2017 |
Revenue, Department Of |
Us Bank Supplier For P-card Payments |
$934,275.19 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Curators Of The University Of Missouri |
$934,256.26 |
Wisconsin State Checkbook |
| 2018 |
Safety And Professional Services, Department Of |
Washington Square Assoc |
$934,223.51 |
Wisconsin State Checkbook |
| 2025 |
Legislature |
Eimer Stahl Llp |
$934,174.18 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Forward Traffic & Marking Llc |
$934,019.83 |
Wisconsin State Checkbook |
| 2024 |
Health Services, Department Of |
Board On Aging & Long Term Care |
$933,861.90 |
Wisconsin State Checkbook |
| 2024 |
Health Services, Department Of |
Connectyourcare, Llc |
$933,552.81 |
Wisconsin State Checkbook |
| 2024 |
Corrections, Department Of |
Automotive Rentals Inc |
$933,254.19 |
Wisconsin State Checkbook |
| 2019 |
Corrections, Department Of |
Maxim Healthcare Services Inc |
$932,904.32 |
Wisconsin State Checkbook |
| 2019 |
Public Instruction, Department Of |
Tyson Foods Inc |
$932,901.85 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Traffic Analysis & Design Inc |
$932,346.00 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Uw-Madison |
$932,289.56 |
Wisconsin State Checkbook |
| 2025 |
Children And Families, Department Of |
Department Of Workforce Development |
$932,146.03 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Corrections, Dept Of |
$932,103.87 |
Wisconsin State Checkbook |
| 2018 |
Revenue, Department Of |
Fed-Medicare Specialized Disb. Supplier |
$931,585.82 |
Wisconsin State Checkbook |
| 2017 |
Building Commission |
Kahler Slater Inc |
$931,551.73 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Northcentral Technical College |
$931,317.00 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Buesing & Associates Inc |
$931,291.31 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Traffic Control Corp |
$931,125.20 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Advanced Hro Solutions Inc |
$930,958.75 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
At&T Datacomm |
$930,380.28 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
City Of Wisconsin Rapids |
$929,676.89 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Omega Coatings & Construction Llc |
$929,073.40 |
Wisconsin State Checkbook |
| 2025 |
Wisconsin Technical College System, Board Of |
Nvisia Llc |
$929,034.00 |
Wisconsin State Checkbook |