| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2020 |
Transportation |
Stark Asphalt |
$4,020,470.24 |
Wisconsin State Checkbook |
| 2022 |
General Fund-Uw |
Ebsco Information Services |
$4,009,040.04 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Janke General Contractors Inc |
$4,000,382.52 |
Wisconsin State Checkbook |
| 2024 |
Building Commission |
Johnson Controls Inc |
$3,998,085.54 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Shi Intl Corp |
$3,995,698.58 |
Wisconsin State Checkbook |
| 2025 |
Health Services, Department Of |
Austin Major Group Llc |
$3,994,932.98 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Hntb Corp |
$3,994,085.75 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Mortenson Investment Group Llc |
$3,992,978.83 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Unizin Ltd |
$3,990,503.19 |
Wisconsin State Checkbook |
| 2018 |
Revenue, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$3,982,472.03 |
Wisconsin State Checkbook |
| 2024 |
Administration, Department Of |
Wi Public Service Corp |
$3,981,301.10 |
Wisconsin State Checkbook |
| 2024 |
Building Commission |
Mccabe Construction Inc |
$3,980,173.92 |
Wisconsin State Checkbook |
| 2024 |
Building Commission |
Rock Church Construction Inc |
$3,972,744.34 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Fond Du Lac County |
$3,967,130.59 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Pitlik & Wick Inc |
$3,965,522.98 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Building Restoration Corp |
$3,964,454.50 |
Wisconsin State Checkbook |
| 2025 |
Supreme Court |
Shi Intl Corp |
$3,963,046.39 |
Wisconsin State Checkbook |
| 2025 |
Public Defender Board |
Wisconsin Retirement System |
$3,960,128.86 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
Kahler Slater Inc |
$3,953,517.39 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Boelter Co Inc |
$3,951,173.67 |
Wisconsin State Checkbook |
| 2021 |
Workers Compensation |
Department Of Administration |
$3,949,166.36 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Vanguard Computers Inc |
$3,945,070.22 |
Wisconsin State Checkbook |
| 2022 |
Transportation |
Employee Trust Funds |
$3,942,197.04 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Avi Systems Inc |
$3,938,837.57 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Super Western Inc |
$3,938,365.75 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Vilas County |
$3,936,617.01 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Concrete Structures Inc |
$3,932,863.85 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Chippewa County |
$3,931,976.29 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Price County |
$3,925,658.62 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
New Resources Consulting Llc |
$3,912,542.76 |
Wisconsin State Checkbook |
| 2024 |
Building Commission |
Selzer-Ornst Construction Company Llc |
$3,907,593.77 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Bmc Software Inc |
$3,907,389.00 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Bmc Software Inc |
$3,907,389.00 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Synercomm Inc |
$3,906,480.00 |
Wisconsin State Checkbook |
| 2017 |
Veterans Affairs, Department Of |
Wisconsin Retirement System |
$3,903,995.64 |
Wisconsin State Checkbook |
| 2024 |
Circuit Courts |
Fed-Oasdi Specialized Disb. Supplier |
$3,903,828.51 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Ricoh Usa Inc. |
$3,903,795.51 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Wellfleet Group Llc |
$3,903,046.00 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Sandy Law Firm Pc |
$3,900,000.00 |
Wisconsin State Checkbook |
| 2019 |
Health Services, Department Of |
Health Services, Dept. Of |
$3,898,862.28 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Ricoh Usa Inc. |
$3,891,875.96 |
Wisconsin State Checkbook |
| 2024 |
Insurance, Office Of The Commissioner Of |
Department Of Administration |
$3,891,698.82 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Jefferson County |
$3,890,788.49 |
Wisconsin State Checkbook |
| 2020 |
Building Trust |
Flad Architects |
$3,886,448.54 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Cdw Government |
$3,885,953.16 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Joe Daniels Constr Co Inc |
$3,884,551.56 |
Wisconsin State Checkbook |
| 2025 |
Administration, Department Of |
Presidio Infrastructure Solutions Llc |
$3,884,342.90 |
Wisconsin State Checkbook |
| 2024 |
Building Commission |
J F Ahern Co |
$3,883,315.05 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Continuum Architects & |
$3,879,375.05 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Eau Claire County |
$3,879,212.88 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Lunda Construction |
$3,878,966.28 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Medefis Inc |
$3,874,721.21 |
Wisconsin State Checkbook |
| 2025 |
Administration, Department Of |
Capital Data Inc |
$3,872,116.73 |
Wisconsin State Checkbook |
| 2025 |
Circuit Courts |
Fed-Oasdi Specialized Disb. Supplier |
$3,871,965.92 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Cardinal Construction Co Inc |
$3,871,676.44 |
Wisconsin State Checkbook |
| 2017 |
Veterans Affairs, Department Of |
Department Of Administration |
$3,866,751.14 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Nikon Instruments Inc |
$3,863,657.68 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Wisconsin Power & Light Co |
$3,862,315.03 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
St. Croix County |
$3,859,752.77 |
Wisconsin State Checkbook |
| 2020 |
Capital Improvement |
Fowler & Hammer Inc |
$3,859,327.02 |
Wisconsin State Checkbook |
| 2025 |
Justice, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$3,849,491.86 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Camera Corner Connecting Point |
$3,845,645.18 |
Wisconsin State Checkbook |
| 2019 |
Building Commission |
Ellis Stone Construction Co |
$3,840,694.95 |
Wisconsin State Checkbook |
| 2024 |
Legislature |
Wisconsin Retirement System |
$3,834,616.22 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Washington County |
$3,830,039.16 |
Wisconsin State Checkbook |
| 2019 |
Health Services, Department Of |
Austin Major Group Llc |
$3,826,041.78 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Acl Services Llc |
$3,816,822.24 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
J F Ahern Co |
$3,814,651.57 |
Wisconsin State Checkbook |
| 2018 |
Veterans Affairs, Department Of |
Wisconsin Retirement System |
$3,813,036.02 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
A-1 Excavating Inc |
$3,812,668.33 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Concrete Structures Inc |
$3,806,382.65 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Vogel Bros Building Co |
$3,805,300.00 |
Wisconsin State Checkbook |
| 2018 |
Building Commission |
J H Findorff & Sons Inc |
$3,801,059.18 |
Wisconsin State Checkbook |
| 2017 |
Safety And Professional Services, Department Of |
Department Of Administration |
$3,799,555.18 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
A-1 Excavating Inc |
$3,798,893.04 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Buffalo County |
$3,797,934.17 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Dunn County |
$3,797,113.20 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Alliant Energy/Wpl |
$3,791,579.16 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Mortenson Investment Group Llc |
$3,790,377.97 |
Wisconsin State Checkbook |
| 2025 |
Natural Resources, Department Of |
Wisconsin Retirement System |
$3,789,393.44 |
Wisconsin State Checkbook |
| 2024 |
Health Services, Department Of |
Worldwide Travel Staffing Ltd |
$3,781,202.44 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Shi International Corp |
$3,780,512.41 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Unisys Corp |
$3,775,000.82 |
Wisconsin State Checkbook |
| 2017 |
Workforce Development, Department Of |
Fed-oasdi Specialized Disb. Supplier |
$3,755,512.07 |
Wisconsin State Checkbook |
| 2025 |
Corrections, Department Of |
Upper Peninsula Health Group |
$3,753,001.29 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Iowa County |
$3,752,831.20 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
August Winter & Sons Inc |
$3,750,572.83 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Marathon County |
$3,743,213.93 |
Wisconsin State Checkbook |
| 2019 |
Employee Trust Funds, Department Of |
Department Of Administration |
$3,734,722.38 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Alliant Energy/Wpl |
$3,734,536.26 |
Wisconsin State Checkbook |
| 2022 |
Transportation |
Mashuda Contractors Inc |
$3,734,180.63 |
Wisconsin State Checkbook |
| 2017 |
Administration, Department Of |
Storage Systems Midwest Inc |
$3,734,086.44 |
Wisconsin State Checkbook |
| 2017 |
Employee Trust Funds, Department Of |
Staywell Company Llc, The |
$3,728,204.90 |
Wisconsin State Checkbook |
| 2024 |
Corrections, Department Of |
Mortenson Investment Group Llc |
$3,728,194.21 |
Wisconsin State Checkbook |
| 2024 |
Justice, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$3,721,578.93 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Mckinstry Essention Llc |
$3,717,856.69 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Detroit Salt Company Llc |
$3,704,448.29 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
V Marchese Inc |
$3,701,602.63 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Radtke Contractors Inc |
$3,700,092.43 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Jp Cullen & Sons Inc |
$3,699,686.15 |
Wisconsin State Checkbook |