| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2025 |
Employee Trust Funds, Department Of |
Dean Health Plan Inc |
$18,535,550.00 |
Wisconsin State Checkbook |
| 2025 |
Administration, Department Of |
Pitney Bowes Bank Inc |
$18,508,000.00 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Board Of Regents Uw System |
$18,360,470.68 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Kraemer North America Llc |
$18,325,161.13 |
Wisconsin State Checkbook |
| 2020 |
Building Trust |
Market & Johnson Inc |
$18,193,984.77 |
Wisconsin State Checkbook |
| 2025 |
Revenue, Department Of |
Employee Trust Funds |
$18,150,524.50 |
Wisconsin State Checkbook |
| 2018 |
Children And Families, Department Of |
Tapfin Process Solutions |
$18,095,848.35 |
Wisconsin State Checkbook |
| 2025 |
Administration, Department Of |
Arthur J Gallagher Risk Management |
$18,051,679.92 |
Wisconsin State Checkbook |
| 2025 |
Administration, Department Of |
Single Payment Supplier |
$18,046,782.32 |
Wisconsin State Checkbook |
| 2018 |
Children And Families, Department Of |
Department Of Health Services |
$17,937,531.84 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Pitney Bowes Bank Inc |
$17,931,300.98 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Fisher Scientific Company Llc Catalog |
$17,930,235.00 |
Wisconsin State Checkbook |
| 2024 |
Tourism, Department Of |
Hiebing Group Inc, The |
$17,921,948.89 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Mead & Hunt Inc |
$17,889,198.12 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Madison Gas & Electric |
$17,813,107.87 |
Wisconsin State Checkbook |
| 2022 |
Capital Improvement |
Terra Engineering & Constr Co |
$17,806,610.56 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Spherion Staffing |
$17,795,498.50 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Aladdin Food Management Services Llc |
$17,769,796.67 |
Wisconsin State Checkbook |
| 2018 |
Revenue, Department Of |
Gtech Corporation |
$17,639,021.08 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Chippewa Concrete Services Inc |
$17,603,476.19 |
Wisconsin State Checkbook |
| 2025 |
Administration, Department Of |
Madison Gas & Electric |
$17,593,075.82 |
Wisconsin State Checkbook |
| 2024 |
Administration, Department Of |
Arthur J Gallagher Risk Management |
$17,576,416.94 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Chartwells Dining |
$17,566,387.87 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Madison Gas & Electric |
$17,528,779.79 |
Wisconsin State Checkbook |
| 2019 |
Employee Trust Funds, Department Of |
Strategic Resource Company Src |
$17,420,884.46 |
Wisconsin State Checkbook |
| 2017 |
Veterans Affairs, Department Of |
Employee Trust Funds |
$17,351,761.43 |
Wisconsin State Checkbook |
| 2020 |
Core Retirement Investment Trust |
Wire Payment - Us Bank |
$17,350,000.00 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Covid Clinic Inc |
$17,320,199.45 |
Wisconsin State Checkbook |
| 2024 |
Workforce Development, Department Of |
Knowledge Services |
$17,318,906.98 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Aladdin Food Management Services Llc |
$17,314,836.62 |
Wisconsin State Checkbook |
| 2018 |
Veterans Affairs, Department Of |
Employee Trust Funds |
$17,082,080.69 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Department Of Children And Families |
$17,024,192.05 |
Wisconsin State Checkbook |
| 2024 |
Administration, Department Of |
Pitney Bowes Bank Inc |
$17,010,000.00 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Hiebing Group Inc, The |
$16,949,690.78 |
Wisconsin State Checkbook |
| 2025 |
Administration, Department Of |
Employee Trust Funds |
$16,913,288.98 |
Wisconsin State Checkbook |
| 2024 |
Administration, Department Of |
Madison Gas & Electric |
$16,831,100.16 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Huron Consulting Services Llc |
$16,794,034.64 |
Wisconsin State Checkbook |
| 2021 |
Building Trust |
C D Smith Construction Inc |
$16,769,430.98 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Musson Bros Inc |
$16,757,889.09 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Pheifer Brothers Construction Co Inc |
$16,560,865.55 |
Wisconsin State Checkbook |
| 2024 |
Administration, Department Of |
Single Payment Supplier |
$16,491,550.62 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Spherion Staffing |
$16,470,955.99 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Uw Hospitals & Clinics |
$16,465,768.27 |
Wisconsin State Checkbook |
| 2019 |
Building Commission |
C D Smith Construction Inc |
$16,425,204.62 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Lalonde Contractors Inc |
$16,357,711.51 |
Wisconsin State Checkbook |
| 2024 |
Revenue, Department Of |
Employee Trust Funds |
$16,315,296.03 |
Wisconsin State Checkbook |
| 2025 |
Workforce Development, Department Of |
Knowledge Services |
$16,294,607.99 |
Wisconsin State Checkbook |
| 2022 |
Transportation |
Zignego Co Inc |
$16,259,819.25 |
Wisconsin State Checkbook |
| 2024 |
Corrections, Department Of |
Sunburst Workforce Advisors |
$16,226,465.31 |
Wisconsin State Checkbook |
| 2020 |
Building Trust |
J P Cullen & Sons Inc |
$16,144,970.19 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Compass Minerals America Inc |
$16,075,890.23 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Wi & Southern Railroad |
$16,031,997.87 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Integrity Grading & Excavating |
$16,027,809.42 |
Wisconsin State Checkbook |
| 2018 |
Employee Trust Funds, Department Of |
Wire Payment - Us Bank |
$16,000,000.00 |
Wisconsin State Checkbook |
| 2020 |
Conservation |
Department Of Administration |
$15,912,878.53 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
Pepper Construction Company Of Wisconsin |
$15,881,917.43 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Gtech Corporation |
$15,827,439.28 |
Wisconsin State Checkbook |
| 2024 |
Administration, Department Of |
Department Of Ag Trade & Consumer Protcn |
$15,814,401.27 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Us Foods Inc |
$15,780,783.54 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Jt Engineering Inc |
$15,758,242.42 |
Wisconsin State Checkbook |
| 2024 |
Health Services, Department Of |
Board Of Regents Uw System |
$15,733,625.84 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Dell Marketing Lp |
$15,720,649.62 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Wisconsin Retirement System |
$15,685,637.21 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Wisconsin Retirement System |
$15,683,576.34 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Kraemer North America Llc |
$15,679,423.80 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Pheifer Brothers Construction Co Inc |
$15,638,730.80 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
University Of Wisconsin Hospitals |
$15,593,902.11 |
Wisconsin State Checkbook |
| 2025 |
Administration, Department Of |
Knowledge Services |
$15,527,857.91 |
Wisconsin State Checkbook |
| 2017 |
Children And Families, Department Of |
Tapfin Process Solutions |
$15,492,443.14 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
First American Title Insurance Co |
$15,475,286.89 |
Wisconsin State Checkbook |
| 2024 |
Corrections, Department Of |
Vestica Healthcare Llc |
$15,411,206.31 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Pitney Bowes Bank Inc |
$15,399,063.19 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Dane County |
$15,386,288.62 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Jt Engineering Inc |
$15,362,015.94 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Fed-Medicare Specialized Disb. Supplier |
$15,356,147.34 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Gtech Corporation |
$15,221,175.15 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
C.D. Smith Construction, Inc. |
$15,196,800.00 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Hntb Corp |
$15,182,213.17 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Vinton Construction Co |
$15,165,697.29 |
Wisconsin State Checkbook |
| 2020 |
Capital Improvement |
J P Cullen & Sons Inc |
$15,132,653.03 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Madison Gas & Electric |
$15,098,935.07 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Corrections, Dept Of |
$15,034,160.09 |
Wisconsin State Checkbook |
| 2024 |
Corrections, Department Of |
Department Of Administration |
$15,011,212.45 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Hntb Corp |
$14,965,215.34 |
Wisconsin State Checkbook |
| 2021 |
Capital Improvement |
Camosy Construction |
$14,949,499.28 |
Wisconsin State Checkbook |
| 2019 |
Corrections, Department Of |
Indianhead Food Sv Distributor |
$14,933,173.18 |
Wisconsin State Checkbook |
| 2024 |
Administration, Department Of |
Employee Trust Funds |
$14,909,116.47 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Wisconsin Dept Of Administration |
$14,883,339.31 |
Wisconsin State Checkbook |
| 2025 |
Health Services, Department Of |
Sas Institute Inc |
$14,858,203.48 |
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 |
| 2022 |
Core Retirement Investment Trust |
Wire Payment - Us Bank |
$14,636,753.00 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Empowerment Health Llc |
$14,581,094.10 |
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 |
| 2023 |
Wisconsin State Checkbook |
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 |