| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2023 |
Wisconsin State Checkbook |
Strand Assoc Inc |
$14,427,733.60 |
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 |
| 2023 |
Wisconsin State Checkbook |
Capital Data Inc |
$14,344,905.92 |
Wisconsin State Checkbook |
| 2020 |
Public Employee Trust |
Connectyourcare, Llc |
$14,325,418.71 |
Wisconsin State Checkbook |
| 2024 |
Building Commission |
Terra Engineering & Constr Co |
$14,307,131.29 |
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 |
| 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 |
| 2023 |
Wisconsin State Checkbook |
Insight Public Sector |
$14,073,207.57 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Department Of Children And Families |
$14,067,549.66 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Michels Road & Stone Inc |
$14,036,089.76 |
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 |
| 2021 |
General Fund |
Allegis Global Solutions Inc |
$13,906,168.30 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Single Payment Supplier |
$13,880,280.64 |
Wisconsin State Checkbook |
| 2025 |
Revenue, Department Of |
Department Of Administration |
$13,874,523.71 |
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 |
| 2022 |
General Fund-Uw |
Department Of Administration-Btf |
$13,778,187.77 |
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 |
| 2023 |
Wisconsin State Checkbook |
Larson Construction Co Inc |
$13,566,504.82 |
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 |
| 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 |
| 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 |
| 2024 |
University Of Wisconsin System |
We Energies |
$13,331,957.15 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Arthur J Gallagher Risk Management |
$13,234,510.63 |
Wisconsin State Checkbook |
| 2024 |
Corrections, Department Of |
Us Bank Supplier For P-Card Payments |
$13,230,272.79 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Molecular Testing Labs |
$13,164,021.00 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Department Of Children And Families |
$13,151,959.42 |
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 |
| 2021 |
Transportation |
Wisconsin Retirement System |
$13,121,283.21 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Integrity Grading & Excavating |
$13,101,360.39 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Ebsco Information Services |
$13,004,286.42 |
Wisconsin State Checkbook |
| 2025 |
Health Services, Department Of |
Board Of Regents Uw System |
$12,967,124.90 |
Wisconsin State Checkbook |
| 2025 |
Corrections, Department Of |
Wisconsin Retirement System |
$12,952,959.54 |
Wisconsin State Checkbook |
| 2025 |
Tourism, Department Of |
Hiebing Group Inc, The |
$12,925,412.71 |
Wisconsin State Checkbook |
| 2017 |
Children And Families, Department Of |
Department Of Health Services |
$12,883,234.26 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
Greenfire Management Services Llc |
$12,868,348.43 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Gerke Excavating, Inc |
$12,844,070.83 |
Wisconsin State Checkbook |
| 2024 |
Corrections, Department Of |
Corrections, Dept Of |
$12,837,078.36 |
Wisconsin State Checkbook |
| 2017 |
Administration, Department Of |
Single Payment Supplier |
$12,817,120.42 |
Wisconsin State Checkbook |
| 2017 |
Administration, Department Of |
Madison Gas & Electric |
$12,756,344.54 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Michigan State University |
$12,747,041.26 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
Milbach Construction Serv Co |
$12,739,066.51 |
Wisconsin State Checkbook |
| 2024 |
Children And Families, Department Of |
Employee Trust Funds |
$12,738,334.75 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Aecom Technical Services Inc |
$12,712,096.08 |
Wisconsin State Checkbook |
| 2025 |
Military Affairs, Department Of |
Department Of Health Services |
$12,689,618.48 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Aladdin Food Management Services Llc |
$12,683,909.75 |
Wisconsin State Checkbook |
| 2024 |
Natural Resources, Department Of |
Wisconsin Retirement System |
$12,647,124.26 |
Wisconsin State Checkbook |
| 2025 |
Children And Families, Department Of |
Department Of Administration |
$12,571,401.49 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Maxim Healthcare Services Inc |
$12,477,788.75 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Corvel Corporation |
$12,456,513.10 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Michigan State University |
$12,412,818.70 |
Wisconsin State Checkbook |
| 2017 |
Administration, Department Of |
Corvel Corporation |
$12,408,971.11 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Miron Construction Co Inc |
$12,386,985.73 |
Wisconsin State Checkbook |
| 2024 |
Building Commission |
Continuum Architects & |
$12,368,109.09 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Morton Salt Inc |
$12,365,672.11 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Tapfin Process Solutions |
$12,308,148.37 |
Wisconsin State Checkbook |
| 2019 |
Revenue, Department Of |
Gtech Corporation |
$12,297,468.52 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Shield T3 |
$12,272,626.25 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Gtech Corporation |
$12,212,392.16 |
Wisconsin State Checkbook |
| 2024 |
Employee Trust Funds, Department Of |
Knowledge Services |
$12,209,005.78 |
Wisconsin State Checkbook |
| 2024 |
Children And Families, Department Of |
Department Of Administration |
$12,173,519.45 |
Wisconsin State Checkbook |
| 2019 |
Children And Families, Department Of |
Tapfin Process Solutions |
$12,143,390.14 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Kenosha County |
$12,137,553.80 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Fed-Oasdi Specialized Disb. Supplier |
$12,103,770.44 |
Wisconsin State Checkbook |
| 2025 |
Health Services, Department Of |
Spherion Staffing |
$12,096,193.12 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Walsh Construction Co Ii Llc |
$12,095,712.74 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
We Energies |
$12,070,951.64 |
Wisconsin State Checkbook |
| 2024 |
Health Services, Department Of |
Knowledge Services |
$12,012,624.67 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Corvel Corporation |
$11,999,984.82 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Department Of Tourism |
$11,989,422.53 |
Wisconsin State Checkbook |
| 2018 |
Revenue, Department Of |
Department Of Administration |
$11,979,763.15 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Gerke Excavating, Inc |
$11,968,612.27 |
Wisconsin State Checkbook |
| 2024 |
Natural Resources, Department Of |
Wire Payment - Us Bank |
$11,944,870.60 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Hntb Corp |
$11,933,102.30 |
Wisconsin State Checkbook |
| 2021 |
Conservation |
Department Of Administration |
$11,927,425.14 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Corvel Corporation |
$11,908,625.79 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Krm Partners |
$11,897,870.31 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Cdw Government |
$11,865,581.97 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Aecom Technical Services Inc |
$11,838,085.63 |
Wisconsin State Checkbook |
| 2025 |
Justice, Department Of |
Employee Trust Funds |
$11,788,930.09 |
Wisconsin State Checkbook |
| 2025 |
Veterans Affairs, Department Of |
Employee Trust Funds |
$11,751,449.73 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Jh Findorff & Son Inc |
$11,716,610.59 |
Wisconsin State Checkbook |
| 2018 |
Children And Families, Department Of |
Department Of Administration |
$11,701,115.14 |
Wisconsin State Checkbook |