| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2020 |
Transportation |
Dane County |
$11,650,425.70 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Corre Inc |
$11,618,173.23 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Pheifer Brothers Construction Co Inc |
$11,604,151.69 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Lalonde Contractors Inc |
$11,547,806.09 |
Wisconsin State Checkbook |
| 2025 |
Circuit Courts |
Employee Trust Funds |
$11,532,424.31 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
Continuum Architects & |
$11,504,276.41 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
We Energies |
$11,497,757.78 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Michigan State University |
$11,493,950.33 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Wellfleet Group Llc |
$11,465,072.00 |
Wisconsin State Checkbook |
| 2019 |
Children And Families, Department Of |
Department Of Health Services |
$11,404,975.37 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Wellfleet |
$11,390,219.00 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Carahsoft Technology Corp |
$11,331,146.28 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Mead & Hunt Inc |
$11,323,394.89 |
Wisconsin State Checkbook |
| 2019 |
Building Commission |
V & S Construction Services Inc |
$11,317,309.54 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Rock Road Companies Inc |
$11,292,418.53 |
Wisconsin State Checkbook |
| 2017 |
Children And Families, Department Of |
Department Of Administration |
$11,262,683.12 |
Wisconsin State Checkbook |
| 2017 |
Revenue, Department Of |
Department Of Administration |
$11,230,898.18 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Maxim Healthcare Services Inc |
$11,218,518.44 |
Wisconsin State Checkbook |
| 2024 |
Veterans Affairs, Department Of |
Employee Trust Funds |
$11,198,881.20 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
At&T |
$11,193,565.34 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
H James & Sons Inc |
$11,170,047.29 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Gerke Excavating, Inc |
$11,099,037.42 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
H James & Sons Inc |
$11,098,378.77 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Aecom Technical Services Inc |
$11,094,688.71 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Stark Asphalt |
$11,082,834.49 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Larson Construction Co Inc |
$11,070,955.95 |
Wisconsin State Checkbook |
| 2019 |
Administration, Department Of |
Tapfin Process Solutions |
$11,063,385.70 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Washington County |
$11,038,275.71 |
Wisconsin State Checkbook |
| 2025 |
Employee Trust Funds, Department Of |
Minnesota Life Insurance Co |
$11,029,750.62 |
Wisconsin State Checkbook |
| 2024 |
Corrections, Department Of |
Knowledge Services |
$10,982,690.44 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
University Of Wisconsin System |
$10,981,496.37 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Relyco Inc |
$10,907,609.56 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Automotive Rentals Inc |
$10,902,166.30 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Sun Microsystem Inc |
$10,887,660.58 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Northeast Asphalt Inc |
$10,881,894.97 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Novir Llc |
$10,852,333.90 |
Wisconsin State Checkbook |
| 2024 |
Employee Trust Funds, Department Of |
Minnesota Life Insurance Co |
$10,839,522.60 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Department Of Public Instruction |
$10,831,168.20 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Pepper Construction Company Of Wisconsin |
$10,815,231.44 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Fulgent Therapeutics, Llc |
$10,808,616.00 |
Wisconsin State Checkbook |
| 2019 |
Veterans Affairs, Department Of |
Employee Trust Funds |
$10,792,456.19 |
Wisconsin State Checkbook |
| 2017 |
Administration, Department Of |
Employee Trust Funds |
$10,787,772.40 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Kapur & Associates Inc |
$10,763,220.47 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Medasource |
$10,753,293.34 |
Wisconsin State Checkbook |
| 2019 |
Corrections, Department Of |
Corrections, Dept Of |
$10,739,114.84 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Wisconsin Interactive Network |
$10,736,542.96 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Tapfin Process Solutions |
$10,699,481.98 |
Wisconsin State Checkbook |
| 2018 |
Public Instruction, Department Of |
Drc/Ctb |
$10,673,569.00 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
City Of Madison |
$10,665,155.07 |
Wisconsin State Checkbook |
| 2022 |
Transportation |
Rock Road Companies Inc |
$10,660,905.47 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Minnesota Life Insurance Co |
$10,646,195.58 |
Wisconsin State Checkbook |
| 2024 |
Circuit Courts |
Employee Trust Funds |
$10,629,437.99 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$10,619,742.73 |
Wisconsin State Checkbook |
| 2019 |
Workforce Development, Department Of |
Department Of Administration |
$10,612,596.31 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
C G Schmidt Inc |
$10,587,775.72 |
Wisconsin State Checkbook |
| 2021 |
Core Retirement Investment Trust |
Wire Payment - Us Bank |
$10,578,000.00 |
Wisconsin State Checkbook |
| 2025 |
Agriculture, Trade And Consumer Protection, Department Of |
Employee Trust Funds |
$10,544,679.21 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Fed-Oasdi Specialized Disb. Supplier |
$10,542,780.72 |
Wisconsin State Checkbook |
| 2019 |
Corrections, Department Of |
Department Of Administration |
$10,501,014.58 |
Wisconsin State Checkbook |
| 2024 |
Health Services, Department Of |
Nuwest Group Holdings Llc |
$10,496,632.25 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Dane County |
$10,494,891.62 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Board Of Regents Uw System |
$10,478,749.77 |
Wisconsin State Checkbook |
| 2019 |
Administration, Department Of |
Madison Gas & Electric |
$10,455,437.17 |
Wisconsin State Checkbook |
| 2025 |
Public Defender Board |
Employee Trust Funds |
$10,451,796.57 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Strand Assoc Inc |
$10,427,014.22 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Corvel Corporation |
$10,405,956.78 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Fulgent Therapeutics, Llc |
$10,401,987.00 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Board Of Regents Uw System |
$10,367,434.00 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Dane County |
$10,349,713.75 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Institute For The International Educ |
$10,343,483.00 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Cdw Government Inc |
$10,311,851.97 |
Wisconsin State Checkbook |
| 2018 |
Workforce Development, Department Of |
Tapfin Process Solutions |
$10,309,281.48 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Aon Risk Services Central Inc |
$10,305,739.90 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Madison Gas & Electric Co |
$10,305,329.06 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Treasurer,Building Trust Fund |
$10,297,065.36 |
Wisconsin State Checkbook |
| 2024 |
Justice, Department Of |
Employee Trust Funds |
$10,266,652.37 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Mead & Hunt Inc |
$10,266,124.92 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
H James & Sons Inc |
$10,265,249.25 |
Wisconsin State Checkbook |
| 2024 |
Justice, Department Of |
Department Of Administration |
$10,254,475.87 |
Wisconsin State Checkbook |
| 2021 |
Building Trust |
Market & Johnson Inc |
$10,251,049.78 |
Wisconsin State Checkbook |
| 2025 |
Health Services, Department Of |
Knowledge Services |
$10,239,127.14 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Cdw Government Llc |
$10,216,392.93 |
Wisconsin State Checkbook |
| 2017 |
Tourism, Department Of |
Laughlin Constable Inc |
$10,213,892.44 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Wellfleet |
$10,197,019.01 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Outagamie County |
$10,188,941.91 |
Wisconsin State Checkbook |
| 2025 |
Veterans Affairs, Department Of |
Health Dimensions Group |
$10,187,787.36 |
Wisconsin State Checkbook |
| 2021 |
Capital Improvement |
Market & Johnson Inc |
$10,164,398.09 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Madison Metro Transit |
$10,104,318.00 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Unisys Corp |
$10,101,433.38 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Department Of Justice |
$10,090,101.87 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Chippewa Concrete Services Inc |
$10,078,641.63 |
Wisconsin State Checkbook |
| 2025 |
Public Instruction, Department Of |
Employee Trust Funds |
$10,076,706.97 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Waukesha County |
$10,063,407.06 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Ae Business Solutions |
$10,047,928.92 |
Wisconsin State Checkbook |
| 2024 |
Natural Resources, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$9,980,162.60 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
Joe Daniels Constr Co Inc |
$9,971,441.00 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Department Of Administration-Btf |
$9,962,850.18 |
Wisconsin State Checkbook |
| 2021 |
Capital Improvement |
Terra Engineering & Constr Co |
$9,920,547.98 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Martin Brothers Distributing Co Inc |
$9,918,150.84 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Ibm Corporation |
$9,899,282.82 |
Wisconsin State Checkbook |