| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2023 |
University Of Wisconsin System |
Merit Cro Inc |
$2,727,564.37 |
Wisconsin State Checkbook |
| 2023 |
Public Instruction, Department Of |
Wisconsin Retirement System |
$2,726,350.54 |
Wisconsin State Checkbook |
| 2025 |
Health Services, Department Of |
Corrections, Dept Of |
$2,726,158.27 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Portage County |
$2,724,497.75 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Cbn Secure Technologies Inc |
$2,723,796.15 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Pro Electric Inc |
$2,723,141.41 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
La Crosse County |
$2,722,327.99 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Uw Superior |
$2,721,671.07 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
Westphal & Co Inc |
$2,716,658.15 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Dodge County |
$2,714,364.45 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Soo Line Railroad Co |
$2,713,263.15 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Washburn County |
$2,711,925.30 |
Wisconsin State Checkbook |
| 2022 |
Veterans Affairs, Department Of |
Us Bank Supplier For P-Card Payments |
$2,710,646.49 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Sheboygan County |
$2,710,355.70 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Grainger Industrial Supply |
$2,709,461.60 |
Wisconsin State Checkbook |
| 2020 |
Capital Improvement |
Single Payment Supplier |
$2,705,817.86 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Krueger Intl Inc |
$2,704,476.09 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Board Of Regents Uw System |
$2,703,390.21 |
Wisconsin State Checkbook |
| 2016 |
University Of Wisconsin System |
Uw Milwaukee School Of Social Work |
$2,701,795.21 |
Wisconsin State Checkbook |
| 2019 |
Administration, Department Of |
Cdw Government Inc |
$2,701,307.84 |
Wisconsin State Checkbook |
| 2019 |
Administration, Department Of |
Cdw Government Inc |
$2,701,307.84 |
Wisconsin State Checkbook |
| 2024 |
Building Commission |
Energy Performance Spec, Dba |
$2,699,166.01 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Waupaca County |
$2,698,927.58 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Unizin Ltd |
$2,696,363.57 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Dunn County |
$2,695,941.70 |
Wisconsin State Checkbook |
| 2024 |
Corrections, Department Of |
Locumtenens.Com Llc |
$2,695,796.72 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Pitney Bowes Bank Inc |
$2,695,571.64 |
Wisconsin State Checkbook |
| 2020 |
Conservation |
University Of Wisconsin System |
$2,694,611.37 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Software House International |
$2,694,264.06 |
Wisconsin State Checkbook |
| 2022 |
Building Commission |
Absolute Construction |
$2,692,986.60 |
Wisconsin State Checkbook |
| 2025 |
Veterans Affairs, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$2,691,047.06 |
Wisconsin State Checkbook |
| 2025 |
Children And Families, Department Of |
Us Dept Health Human Services |
$2,690,728.00 |
Wisconsin State Checkbook |
| 2023 |
Agriculture, Trade And Consumer Protection, Department Of |
Wisconsin Retirement System |
$2,690,416.46 |
Wisconsin State Checkbook |
| 2024 |
Administration, Department Of |
Wex Bank |
$2,687,998.54 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Airgas Usa Llc |
$2,687,805.04 |
Wisconsin State Checkbook |
| 2023 |
Military Affairs, Department Of |
Us Bank Supplier For P-Card Payments |
$2,686,583.89 |
Wisconsin State Checkbook |
| 2023 |
Public Instruction, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$2,686,072.85 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Haas Sons Inc |
$2,685,111.19 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
We Energies |
$2,683,237.90 |
Wisconsin State Checkbook |
| 2018 |
Public Instruction, Department Of |
University Of Wisconsin System |
$2,682,651.75 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
City Of Madison Treasurer |
$2,682,295.49 |
Wisconsin State Checkbook |
| 2019 |
Justice, Department Of |
Tapfin Process Solutions |
$2,676,458.74 |
Wisconsin State Checkbook |
| 2019 |
Justice, Department Of |
Tapfin Process Solutions |
$2,676,458.74 |
Wisconsin State Checkbook |
| 2024 |
Corrections, Department Of |
3M Chicago Sales Center |
$2,676,278.53 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
H James & Sons Inc |
$2,676,055.05 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Haymarket Concepts Llc |
$2,675,638.30 |
Wisconsin State Checkbook |
| 2023 |
Health Services, Department Of |
Corrections, Dept Of |
$2,674,845.76 |
Wisconsin State Checkbook |
| 2017 |
Building Commission |
Honeywell Intl |
$2,673,000.08 |
Wisconsin State Checkbook |
| 2017 |
Building Commission |
Honeywell Intl |
$2,673,000.08 |
Wisconsin State Checkbook |
| 2023 |
Corrections, Department Of |
Waupun Utilities |
$2,672,571.74 |
Wisconsin State Checkbook |
| 2023 |
Natural Resources, Department Of |
Fed-Medicare Specialized Disb. Supplier |
$2,672,331.81 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Relyco Inc |
$2,670,738.29 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
Exact Sciences Laboratories Llc |
$2,669,425.00 |
Wisconsin State Checkbook |
| 2023 |
Financial Institutions, Department Of |
Knowledge Services |
$2,668,294.00 |
Wisconsin State Checkbook |
| 2022 |
Military Affairs, Department Of |
Us Bank Supplier For P-Card Payments |
$2,668,024.30 |
Wisconsin State Checkbook |
| 2022 |
Health Services, Department Of |
Myers & Stauffer Lc |
$2,667,922.98 |
Wisconsin State Checkbook |
| 2024 |
Natural Resources, Department Of |
Paragon Development Systems |
$2,667,149.55 |
Wisconsin State Checkbook |
| 2024 |
Corrections, Department Of |
Shi Intl Corp |
$2,666,504.64 |
Wisconsin State Checkbook |
| 2024 |
Administration, Department Of |
Bp Energy Retail Company Llc |
$2,666,272.16 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
We Energies |
$2,665,432.23 |
Wisconsin State Checkbook |
| 2023 |
Health Services, Department Of |
Carahsoft Technology Corp |
$2,661,828.70 |
Wisconsin State Checkbook |
| 2019 |
Safety And Professional Services, Department Of |
Employee Trust Funds |
$2,661,686.99 |
Wisconsin State Checkbook |
| 2019 |
Safety And Professional Services, Department Of |
Employee Trust Funds |
$2,661,686.99 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Village Of Egg Harbor |
$2,661,113.51 |
Wisconsin State Checkbook |
| 2024 |
Employee Trust Funds, Department Of |
Hartford Life And Accident |
$2,658,000.00 |
Wisconsin State Checkbook |
| 2023 |
Employee Trust Funds, Department Of |
Hartford Life And Accident |
$2,658,000.00 |
Wisconsin State Checkbook |
| 2023 |
Building Commission |
River Architects Inc |
$2,657,827.91 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Srf Consulting Grp Inc |
$2,657,667.76 |
Wisconsin State Checkbook |
| 2018 |
Children And Families, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$2,657,202.63 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Grant County |
$2,656,764.29 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Ch2m Hill Inc |
$2,653,790.81 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Core Bts Inc |
$2,653,312.23 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Wex Bank |
$2,652,594.09 |
Wisconsin State Checkbook |
| 2019 |
Revenue, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$2,650,945.10 |
Wisconsin State Checkbook |
| 2019 |
Revenue, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$2,650,945.10 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
Ae Business Solutions |
$2,650,077.83 |
Wisconsin State Checkbook |
| 2025 |
Agriculture, Trade And Consumer Protection, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$2,649,052.07 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Haymarket Concepts Llc |
$2,647,804.44 |
Wisconsin State Checkbook |
| 2023 |
Veterans Affairs, Department Of |
Us Bank Supplier For P-Card Payments |
$2,647,777.65 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
Proquest Llc |
$2,647,523.12 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Ewald Motors Of Oconomowoc Llc |
$2,647,493.00 |
Wisconsin State Checkbook |
| 2023 |
District Attorneys |
Wisconsin Retirement System |
$2,646,147.69 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Department Of Justice |
$2,645,548.35 |
Wisconsin State Checkbook |
| 2018 |
Safety And Professional Services, Department Of |
Employee Trust Funds |
$2,644,977.06 |
Wisconsin State Checkbook |
| 2018 |
Military Affairs, Department Of |
Us Bank Supplier For P-Card Payments |
$2,644,223.33 |
Wisconsin State Checkbook |
| 2025 |
Public Instruction, Department Of |
Central Storage & Warehouse |
$2,643,938.37 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
Reinhart Foodservice Llc |
$2,643,614.04 |
Wisconsin State Checkbook |
| 2025 |
Military Affairs, Department Of |
Harris Corp |
$2,642,422.94 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Campus Works Inc |
$2,642,270.64 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Elavon Inc |
$2,640,709.40 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Automotive Rentals Inc |
$2,639,586.92 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Ge Healthcare |
$2,639,574.83 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
Avi Systems Inc |
$2,639,095.21 |
Wisconsin State Checkbook |
| 2024 |
Agriculture, Trade And Consumer Protection, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$2,638,910.07 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Big Ten Academic Alliance |
$2,637,076.99 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Shawano County |
$2,636,865.92 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Jt Engineering Inc |
$2,636,538.76 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Monroe County |
$2,635,607.58 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
J P Cullen & Sons Inc |
$2,634,197.77 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Southwest Contract |
$2,633,693.00 |
Wisconsin State Checkbook |