| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2025 |
District Attorneys |
Fed-Oasdi Specialized Disb. Supplier |
$3,100,313.63 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Monroe County |
$3,097,490.13 |
Wisconsin State Checkbook |
| 2016 |
University Of Wisconsin System |
Badger State Industries |
$3,096,964.74 |
Wisconsin State Checkbook |
| 2017 |
Children And Families, Department Of |
Deloitte Consulting |
$3,095,261.49 |
Wisconsin State Checkbook |
| 2017 |
Children And Families, Department Of |
Deloitte Consulting |
$3,095,261.49 |
Wisconsin State Checkbook |
| 2022 |
Health Services, Department Of |
Shi Intl Corp |
$3,095,246.68 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Alliant Energy/Wpl |
$3,094,560.30 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Marinette County |
$3,094,118.22 |
Wisconsin State Checkbook |
| 2022 |
Health Services, Department Of |
Healthtech Solutions Llc |
$3,093,626.03 |
Wisconsin State Checkbook |
| 2019 |
Administration, Department Of |
Wisconsin Retirement System |
$3,092,400.95 |
Wisconsin State Checkbook |
| 2019 |
Administration, Department Of |
Wisconsin Retirement System |
$3,092,400.95 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Waupaca County |
$3,091,980.66 |
Wisconsin State Checkbook |
| 2022 |
Corrections, Department Of |
W W Grainger Inc |
$3,089,563.41 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Oneida Engineering Solutions |
$3,089,286.06 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Sigma Aldrich Inc |
$3,087,065.47 |
Wisconsin State Checkbook |
| 2017 |
Building Commission |
Workshop Architects Inc |
$3,087,015.47 |
Wisconsin State Checkbook |
| 2017 |
Building Commission |
Workshop Architects Inc |
$3,087,015.47 |
Wisconsin State Checkbook |
| 2022 |
Health Services, Department Of |
Fidelity Information Srvs |
$3,086,737.30 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
Bny Mellon Trust Co Na |
$3,085,524.00 |
Wisconsin State Checkbook |
| 2025 |
Administration, Department Of |
Cdw Government Inc |
$3,085,350.54 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Monroe County |
$3,081,583.43 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Cbs Squared Inc |
$3,081,036.17 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
La Crosse County |
$3,076,450.94 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Patrick Engineering Inc |
$3,074,720.34 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Learfield Levy Foodservice Llc |
$3,072,705.39 |
Wisconsin State Checkbook |
| 2025 |
Corrections, Department Of |
Schilling Supply Co Inc |
$3,069,452.83 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Radtke Contractors Inc |
$3,068,454.57 |
Wisconsin State Checkbook |
| 2020 |
Capital Improvement |
Howard Immel Inc |
$3,068,356.83 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
University Of Chicago |
$3,067,936.49 |
Wisconsin State Checkbook |
| 2024 |
Veterans Affairs, Department Of |
Sunburst Workforce Advisors |
$3,066,465.41 |
Wisconsin State Checkbook |
| 2024 |
Military Affairs, Department Of |
Us Bank Supplier For P-Card Payments |
$3,065,960.84 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Corre Inc |
$3,064,852.89 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Tapco |
$3,063,798.02 |
Wisconsin State Checkbook |
| 2023 |
Legislature |
Wisconsin Retirement System |
$3,063,035.99 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Campus Works Inc |
$3,061,170.97 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Cdw Government |
$3,059,907.07 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Ch2m Hill Inc |
$3,059,328.11 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Department Of Workforce Development |
$3,058,912.81 |
Wisconsin State Checkbook |
| 2024 |
Investment Board |
Fed-Oasdi Specialized Disb. Supplier |
$3,058,014.34 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Corporate Payment Systems |
$3,057,947.27 |
Wisconsin State Checkbook |
| 2022 |
Administration, Department Of |
At&T |
$3,057,056.49 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Portage County Hwy Dept |
$3,050,985.71 |
Wisconsin State Checkbook |
| 2019 |
Administration, Department Of |
Wisconsin Interactive Network |
$3,050,368.23 |
Wisconsin State Checkbook |
| 2019 |
Administration, Department Of |
Wisconsin Interactive Network |
$3,050,368.23 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
Insite Consulting Architects |
$3,049,890.71 |
Wisconsin State Checkbook |
| 2024 |
Veterans Affairs, Department Of |
Wisconsin Retirement System |
$3,048,963.84 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
S & N Inc & Subsidiaries |
$3,047,781.45 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Vendi Advertising Llc |
$3,046,732.25 |
Wisconsin State Checkbook |
| 2024 |
Safety And Professional Services, Department Of |
Wisconsin Interactive Network |
$3,044,180.50 |
Wisconsin State Checkbook |
| 2024 |
Supreme Court |
Employee Trust Funds |
$3,042,296.77 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Cbn Secure Technologies Inc |
$3,040,552.45 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
Unizin Ltd |
$3,040,291.87 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Bny Mellon Trust Co Na |
$3,039,925.00 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
Levy Restaurants |
$3,039,259.85 |
Wisconsin State Checkbook |
| 2024 |
Agriculture, Trade And Consumer Protection, Department Of |
Wisconsin Retirement System |
$3,039,029.61 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Omnni Engineers Arch |
$3,038,405.38 |
Wisconsin State Checkbook |
| 2017 |
Administration, Department Of |
Robindale Energy Services Inc |
$3,038,156.32 |
Wisconsin State Checkbook |
| 2017 |
Administration, Department Of |
Robindale Energy Services Inc |
$3,038,156.32 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Westphal & Co Inc |
$3,036,375.65 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Graef |
$3,034,514.44 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Performance Foodservice |
$3,034,407.64 |
Wisconsin State Checkbook |
| 2024 |
Administration, Department Of |
Department Of Military Affairs |
$3,033,380.86 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Paragon Development Systems |
$3,031,831.38 |
Wisconsin State Checkbook |
| 2024 |
Health Services, Department Of |
Carahsoft Technology Corp |
$3,030,642.11 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Agilent Technologies Inc |
$3,030,083.86 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Apple Inc |
$3,028,124.00 |
Wisconsin State Checkbook |
| 2024 |
Administration, Department Of |
Insight Public Sector |
$3,025,546.60 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Pro Electric Inc |
$3,023,048.61 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Sofie |
$3,022,995.84 |
Wisconsin State Checkbook |
| 2022 |
Administration, Department Of |
Cdw Government Inc |
$3,018,936.39 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
I&S Group Inc |
$3,015,976.67 |
Wisconsin State Checkbook |
| 2024 |
Building Commission |
Potter Lawson Architects |
$3,015,130.58 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Chippewa County |
$3,014,961.54 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
Affiliated Engineers Inc |
$3,012,986.04 |
Wisconsin State Checkbook |
| 2022 |
Health Services, Department Of |
Univ Of Wi Hosp & Clinics |
$3,012,006.56 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Cbs Squared Inc |
$3,010,805.09 |
Wisconsin State Checkbook |
| 2023 |
Corrections, Department Of |
Krueger Intl Inc |
$3,007,008.02 |
Wisconsin State Checkbook |
| 2023 |
Health Services, Department Of |
Purple Mountain Solutions Inc |
$3,006,796.02 |
Wisconsin State Checkbook |
| 2018 |
Children And Families, Department Of |
University Of Wisconsin System |
$3,006,297.28 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Concrete Structures Inc |
$3,003,118.98 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Kenny Construction Company |
$3,000,478.37 |
Wisconsin State Checkbook |
| 2024 |
Health Services, Department Of |
Genesys Telecommunications Laboratories, |
$2,999,573.77 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Merit Cro Inc |
$2,996,350.12 |
Wisconsin State Checkbook |
| 2023 |
Health Services, Department Of |
Merck Sharp & Dohme Corp |
$2,996,232.38 |
Wisconsin State Checkbook |
| 2019 |
Corrections, Department Of |
Bi Inc |
$2,995,558.88 |
Wisconsin State Checkbook |
| 2019 |
Corrections, Department Of |
Bi Inc |
$2,995,558.88 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Bny Mellon Trust Co Na |
$2,995,000.00 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Vendi Advertising Llc |
$2,993,749.82 |
Wisconsin State Checkbook |
| 2024 |
Building Commission |
Great Lakes Mechanical Inc |
$2,992,686.84 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Trempealeau County |
$2,992,591.83 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Capital Data Inc |
$2,991,671.12 |
Wisconsin State Checkbook |
| 2025 |
Public Instruction, Department Of |
Cesa #9 |
$2,989,724.12 |
Wisconsin State Checkbook |
| 2021 |
Non-Statutory Fund |
Nelson Schmidt, Inc |
$2,988,728.99 |
Wisconsin State Checkbook |
| 2023 |
Veterans Affairs, Department Of |
Wisconsin Retirement System |
$2,988,409.54 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Airgas North Central |
$2,987,625.92 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Gremmer & Associates Inc |
$2,986,932.93 |
Wisconsin State Checkbook |
| 2022 |
Circuit Courts |
Fed-Oasdi Specialized Disb. Supplier |
$2,984,175.51 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Dodge County Hwy Dept |
$2,983,665.71 |
Wisconsin State Checkbook |
| 2016 |
University Of Wisconsin System |
Heartland Business Systems |
$2,982,747.49 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
Ssc Service Solutions |
$2,982,705.58 |
Wisconsin State Checkbook |