| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2023 |
Health Services, Department Of |
Spherion Staffing |
$14,883,552.39 |
Wisconsin State Checkbook |
| 2025 |
Health Services, Department Of |
Sas Institute Inc |
$14,858,203.48 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
Aladdin Food Management Services Llc |
$14,806,170.27 |
Wisconsin State Checkbook |
| 2022 |
Children And Families, Department Of |
Knowledge Services |
$14,806,165.52 |
Wisconsin State Checkbook |
| 2017 |
Workforce Development, Department Of |
Employee Trust Funds |
$14,787,857.60 |
Wisconsin State Checkbook |
| 2017 |
Workforce Development, Department Of |
Employee Trust Funds |
$14,787,857.60 |
Wisconsin State Checkbook |
| 2018 |
Workforce Development, Department Of |
Employee Trust Funds |
$14,787,465.73 |
Wisconsin State Checkbook |
| 2024 |
Administration, Department Of |
Department Of Justice |
$14,739,463.15 |
Wisconsin State Checkbook |
| 2024 |
Health Services, Department Of |
Spherion Staffing |
$14,735,881.65 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Comsys Info Technology Svcs |
$14,695,474.71 |
Wisconsin State Checkbook |
| 2023 |
Administration, Department Of |
Arthur J Gallagher Risk Management |
$14,608,040.70 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Empowerment Health Llc |
$14,581,094.10 |
Wisconsin State Checkbook |
| 2023 |
Natural Resources, Department Of |
Department Of Administration |
$14,558,822.18 |
Wisconsin State Checkbook |
| 2017 |
Revenue, Department Of |
Gtech Corporation |
$14,557,535.67 |
Wisconsin State Checkbook |
| 2017 |
Revenue, Department Of |
Gtech Corporation |
$14,557,535.67 |
Wisconsin State Checkbook |
| 2019 |
Administration, Department Of |
Constellation Newenergy Gas Dv |
$14,554,493.66 |
Wisconsin State Checkbook |
| 2019 |
Administration, Department Of |
Constellation Newenergy Gas Dv |
$14,554,493.66 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Aecom Technical Services Inc |
$14,543,060.10 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
J P Cullen & Sons Inc |
$14,505,713.70 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Us Foods Inc |
$14,496,367.70 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Dell Marketing Lp |
$14,488,398.69 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Watco Port And Terminal Serv |
$14,484,067.96 |
Wisconsin State Checkbook |
| 2022 |
Health Services, Department Of |
Spherion Staffing |
$14,425,443.73 |
Wisconsin State Checkbook |
| 2025 |
Employee Trust Funds, Department Of |
Knowledge Services |
$14,411,961.67 |
Wisconsin State Checkbook |
| 2020 |
Capital Improvement |
Terra Engineering & Constr Co |
$14,410,593.73 |
Wisconsin State Checkbook |
| 2020 |
Capital Improvement |
J H Findorff & Sons Inc |
$14,375,515.71 |
Wisconsin State Checkbook |
| 2019 |
Health Services, Department Of |
Department Of Children And Families |
$14,353,397.10 |
Wisconsin State Checkbook |
| 2019 |
Health Services, Department Of |
Department Of Children And Families |
$14,353,397.10 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Wisconsin Retirement System |
$14,345,684.86 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Strand Assoc Inc |
$14,342,284.78 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Wi & Southern Railroad |
$14,331,079.57 |
Wisconsin State Checkbook |
| 2020 |
Public Employee Trust |
Connectyourcare, Llc |
$14,325,418.71 |
Wisconsin State Checkbook |
| 2023 |
Corrections, Department Of |
Corrections, Dept Of |
$14,309,515.01 |
Wisconsin State Checkbook |
| 2024 |
Building Commission |
Terra Engineering & Constr Co |
$14,307,131.29 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Watco Port And Terminal Serv |
$14,275,979.10 |
Wisconsin State Checkbook |
| 2025 |
Children And Families, Department Of |
Employee Trust Funds |
$14,231,038.31 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Sheet Piling Services Llc |
$14,215,809.52 |
Wisconsin State Checkbook |
| 2022 |
Administration, Department Of |
Madison Gas & Electric |
$14,200,906.83 |
Wisconsin State Checkbook |
| 2025 |
Corrections, Department Of |
Corrections, Dept Of |
$14,183,263.73 |
Wisconsin State Checkbook |
| 2025 |
Administration, Department Of |
Department Of Justice |
$14,164,470.03 |
Wisconsin State Checkbook |
| 2024 |
Natural Resources, Department Of |
Department Of Administration |
$14,161,569.94 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Fisher Scientific Co |
$14,139,446.37 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Musson Bros Inc |
$14,130,362.26 |
Wisconsin State Checkbook |
| 2025 |
Administration, Department Of |
Corvel Corporation |
$14,095,276.83 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Department Of Children And Families |
$14,067,549.66 |
Wisconsin State Checkbook |
| 2024 |
Administration, Department Of |
Corvel Corporation |
$13,998,767.24 |
Wisconsin State Checkbook |
| 2025 |
Health Services, Department Of |
Department Of Children And Families |
$13,993,565.24 |
Wisconsin State Checkbook |
| 2024 |
Health Services, Department Of |
Department Of Children And Families |
$13,977,537.90 |
Wisconsin State Checkbook |
| 2024 |
Revenue, Department Of |
Department Of Administration |
$13,974,598.89 |
Wisconsin State Checkbook |
| 2023 |
Workforce Development, Department Of |
Knowledge Services |
$13,943,552.08 |
Wisconsin State Checkbook |
| 2016 |
University Of Wisconsin System |
C D Smith Construction Inc |
$13,942,397.11 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Dell Marketing Lp |
$13,924,689.00 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Allegis Global Solutions Inc |
$13,906,168.30 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
American Asphalt Of Wisconsin |
$13,898,376.45 |
Wisconsin State Checkbook |
| 2025 |
Revenue, Department Of |
Department Of Administration |
$13,874,523.71 |
Wisconsin State Checkbook |
| 2023 |
Revenue, Department Of |
Employee Trust Funds |
$13,853,975.92 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Gerke Excavating, Inc |
$13,850,215.81 |
Wisconsin State Checkbook |
| 2017 |
Revenue, Department Of |
Employee Trust Funds |
$13,827,030.95 |
Wisconsin State Checkbook |
| 2017 |
Revenue, Department Of |
Employee Trust Funds |
$13,827,030.95 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Trierweiler Construction Supp |
$13,789,554.14 |
Wisconsin State Checkbook |
| 2017 |
Health Services, Department Of |
Department Of Children And Families |
$13,757,925.31 |
Wisconsin State Checkbook |
| 2017 |
Health Services, Department Of |
Department Of Children And Families |
$13,757,925.31 |
Wisconsin State Checkbook |
| 2018 |
Revenue, Department Of |
Employee Trust Funds |
$13,754,526.49 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Kraemer North America Llc |
$13,753,706.41 |
Wisconsin State Checkbook |
| 2022 |
Revenue, Department Of |
Employee Trust Funds |
$13,735,427.04 |
Wisconsin State Checkbook |
| 2022 |
Natural Resources, Department Of |
Department Of Administration |
$13,731,289.34 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Single Payment Supplier |
$13,730,473.21 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
A W Oakes & Sons |
$13,712,143.58 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Kenosha County |
$13,562,561.35 |
Wisconsin State Checkbook |
| 2019 |
Health Services, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$13,529,800.82 |
Wisconsin State Checkbook |
| 2019 |
Health Services, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$13,529,800.82 |
Wisconsin State Checkbook |
| 2024 |
Administration, Department Of |
Knowledge Services |
$13,512,856.71 |
Wisconsin State Checkbook |
| 2017 |
Administration, Department Of |
Pitney Bowes Bank Inc |
$13,509,020.00 |
Wisconsin State Checkbook |
| 2017 |
Administration, Department Of |
Pitney Bowes Bank Inc |
$13,509,020.00 |
Wisconsin State Checkbook |
| 2022 |
Health Services, Department Of |
University Of Wisconsin System |
$13,491,180.16 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Knowledge Services |
$13,475,834.07 |
Wisconsin State Checkbook |
| 2023 |
Tourism, Department Of |
Hiebing Group Inc, The |
$13,472,374.64 |
Wisconsin State Checkbook |
| 2023 |
Administration, Department Of |
Employee Trust Funds |
$13,441,460.44 |
Wisconsin State Checkbook |
| 2025 |
Corrections, Department Of |
Us Bank Supplier For P-Card Payments |
$13,439,494.94 |
Wisconsin State Checkbook |
| 2023 |
Health Services, Department Of |
Medasource |
$13,426,592.06 |
Wisconsin State Checkbook |
| 2022 |
Revenue, Department Of |
Department Of Administration |
$13,402,012.98 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$13,399,782.79 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Peters Concrete Co |
$13,376,651.38 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Dell Marketing Lp |
$13,356,447.18 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Dane County |
$13,344,687.56 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
University Of Wisconsin System |
$13,332,142.57 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
We Energies |
$13,331,957.15 |
Wisconsin State Checkbook |
| 2023 |
Natural Resources, Department Of |
Wisconsin Retirement System |
$13,317,486.87 |
Wisconsin State Checkbook |
| 2023 |
Administration, Department Of |
Knowledge Services |
$13,301,393.15 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
We Energies |
$13,262,996.99 |
Wisconsin State Checkbook |
| 2025 |
Natural Resources, Department Of |
Department Of Administration |
$13,253,302.04 |
Wisconsin State Checkbook |
| 2022 |
Administration, Department Of |
Wisconsin Dept Of Administration |
$13,237,271.55 |
Wisconsin State Checkbook |
| 2024 |
Corrections, Department Of |
Us Bank Supplier For P-Card Payments |
$13,230,272.79 |
Wisconsin State Checkbook |
| 2025 |
Corrections, Department Of |
Knowledge Services |
$13,202,517.28 |
Wisconsin State Checkbook |
| 2016 |
Health Services, Department Of |
Hp Enterprise Services Ll |
$13,200,695.58 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Molecular Testing Labs |
$13,164,021.00 |
Wisconsin State Checkbook |
| 2016 |
University Of Wisconsin System |
Fisher Scientific Co |
$13,154,529.30 |
Wisconsin State Checkbook |
| 2024 |
Workforce Development, Department Of |
Flexion Inc |
$13,150,491.54 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Us Bank E-Reimbursement |
$13,149,920.37 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Trierweiler Construction Supp |
$13,144,178.82 |
Wisconsin State Checkbook |