| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2019 |
Building Commission |
J P Cullen & Sons Inc |
$39,219,417.65 |
Wisconsin State Checkbook |
| 2022 |
Capital Improvement |
C D Smith Construction Inc |
$38,998,127.07 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Department Of Health Services |
$38,903,133.08 |
Wisconsin State Checkbook |
| 2025 |
Employee Trust Funds, Department Of |
Connectyourcare, Llc |
$38,864,175.91 |
Wisconsin State Checkbook |
| 2017 |
Workforce Development, Department Of |
Department Of Administration |
$38,662,830.69 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Treasurer, Building Trust Fund |
$38,650,096.00 |
Wisconsin State Checkbook |
| 2025 |
Administration, Department Of |
Department Of Health Services |
$38,513,282.78 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Data Recognition |
$38,491,341.00 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Shi Intl Corp |
$38,477,601.09 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
State Of Minnesota |
$38,341,641.97 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Mathy Construction Co |
$38,304,869.18 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Corporate Payment Systems |
$38,270,784.07 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Chippewa Concrete Services Inc |
$38,219,086.46 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Us Bank Madison Pro Card |
$38,180,933.04 |
Wisconsin State Checkbook |
| 2024 |
Employee Trust Funds, Department Of |
Connectyourcare, Llc |
$37,875,388.86 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Alorica Inc |
$37,856,611.26 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Employee Trust Funds |
$37,584,412.68 |
Wisconsin State Checkbook |
| 2019 |
Employee Trust Funds, Department Of |
Delta Dental Plan Of Wis Inc |
$37,520,982.71 |
Wisconsin State Checkbook |
| 2024 |
Public Instruction, Department Of |
Cesa #6 |
$37,470,006.88 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Dept Of Administration |
$37,330,749.77 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Public Service Commission |
$36,905,063.25 |
Wisconsin State Checkbook |
| 2017 |
Employee Trust Funds, Department Of |
Eflexgroup |
$36,645,805.22 |
Wisconsin State Checkbook |
| 2019 |
Corrections, Department Of |
Wisconsin Retirement System |
$36,642,296.51 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Indianhead Food Sv Distributor |
$36,574,376.30 |
Wisconsin State Checkbook |
| 2018 |
Employee Trust Funds, Department Of |
Eflexgroup |
$36,196,025.89 |
Wisconsin State Checkbook |
| 2020 |
Core Retirement Investment Trust |
Etf Ach-Retirees |
$36,099,718.39 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Zenith Tech Inc |
$36,075,173.78 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Madison Gas & Electric Company |
$35,424,609.25 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Vinton Construction Co |
$35,281,270.22 |
Wisconsin State Checkbook |
| 2020 |
Capital Improvement |
C D Smith Construction Inc |
$35,273,153.80 |
Wisconsin State Checkbook |
| 2022 |
Public Employee Trust |
Connectyourcare, Llc |
$34,876,684.87 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Exact Sciences |
$34,670,450.00 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Name Withdrawn |
$34,658,272.05 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Noah Associates Inc |
$34,543,306.16 |
Wisconsin State Checkbook |
| 2024 |
Natural Resources, Department Of |
Employee Trust Funds |
$34,338,720.25 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Cardinal Health 110 Inc |
$34,301,540.93 |
Wisconsin State Checkbook |
| 2025 |
Administration, Department Of |
Constellation Newenergy Gas Dv |
$34,282,606.13 |
Wisconsin State Checkbook |
| 2019 |
Health Services, Department Of |
Department Of Administration |
$34,278,871.55 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Fed-Medicare Specialized Disb. Supplier |
$34,084,248.33 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Department Of Ag Trade & Consumer Protcn |
$33,908,753.48 |
Wisconsin State Checkbook |
| 2021 |
Public Employee Trust |
Connectyourcare, Llc |
$33,594,035.92 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Mashuda Contractors Inc |
$33,482,120.19 |
Wisconsin State Checkbook |
| 2024 |
Building Commission |
Market & Johnson Inc |
$33,064,373.64 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Vestica Healthcare Llc |
$32,721,019.13 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Employee Trust Funds |
$32,673,868.07 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Us Bank Supplier For P-Card Payments |
$32,533,880.62 |
Wisconsin State Checkbook |
| 2024 |
Corrections, Department Of |
Cardinal Health 110 Inc |
$32,452,198.79 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Zignego Co Inc |
$32,311,056.34 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
James Peterson Sons Inc |
$32,206,497.70 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Data Recognition |
$31,914,874.00 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Indianhead Food Sv Distributor |
$31,788,311.73 |
Wisconsin State Checkbook |
| 2019 |
Health Services, Department Of |
Deloitte Consulting |
$31,771,346.16 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Lunda Construction |
$31,747,019.60 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Mako Medical Laboratories Llc |
$31,716,200.00 |
Wisconsin State Checkbook |
| 2017 |
Health Services, Department Of |
Department Of Administration |
$31,134,776.18 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Etf Ach-Retirees |
$30,708,872.78 |
Wisconsin State Checkbook |
| 2025 |
Health Services, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$30,517,421.43 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Dept Of Administration |
$30,118,040.99 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Lalonde Contractors Inc |
$30,010,728.88 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Vestica Healthcare Llc |
$29,696,234.43 |
Wisconsin State Checkbook |
| 2021 |
Building Trust |
Miron Construction Co Inc |
$29,573,573.37 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Department Of Administration |
$29,472,801.17 |
Wisconsin State Checkbook |
| 2024 |
Health Services, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$29,362,491.33 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Department Of Ag Trade & Consumer Protcn |
$28,815,409.84 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
James Peterson Sons Inc |
$28,748,983.88 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Milwaukee County |
$28,681,418.44 |
Wisconsin State Checkbook |
| 2022 |
Capital Improvement |
Miron Construction Co Inc |
$28,593,580.86 |
Wisconsin State Checkbook |
| 2025 |
Corrections, Department Of |
Employee Trust Funds |
$28,510,943.23 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Gtech Corporation |
$28,510,464.83 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Data Recognition |
$28,413,758.00 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Department Of Transportation |
$28,152,021.47 |
Wisconsin State Checkbook |
| 2024 |
Employee Trust Funds, Department Of |
Etf Ach-Retirees |
$27,973,943.17 |
Wisconsin State Checkbook |
| 2017 |
Employee Trust Funds, Department Of |
Minnesota Life Insurance Co |
$27,913,160.81 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Name Withdrawn |
$27,779,034.54 |
Wisconsin State Checkbook |
| 2021 |
Core Retirement Investment Trust |
Etf Ach-Retirees |
$27,667,569.24 |
Wisconsin State Checkbook |
| 2021 |
Capital Improvement |
J P Cullen & Sons Inc |
$27,639,932.11 |
Wisconsin State Checkbook |
| 2025 |
Employee Trust Funds, Department Of |
Etf Ach-Retirees |
$27,595,670.18 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Chippewa Concrete Services Inc |
$27,301,989.33 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Vinton Construction Co |
$27,206,078.87 |
Wisconsin State Checkbook |
| 2024 |
Corrections, Department Of |
Indianhead Food Sv Distributor |
$27,195,747.71 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Madison Gas & Electric Company |
$27,049,842.74 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Fisher Scientific Co |
$27,030,290.26 |
Wisconsin State Checkbook |
| 2024 |
Building Commission |
Vjs Construction Services, Inc. |
$27,025,610.49 |
Wisconsin State Checkbook |
| 2022 |
Core Retirement Investment Trust |
Etf Ach-Retirees |
$26,852,153.71 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Carahsoft Technology Corp |
$26,821,544.02 |
Wisconsin State Checkbook |
| 2019 |
Employee Trust Funds, Department Of |
Etf Ach-Retirees |
$26,714,462.84 |
Wisconsin State Checkbook |
| 2018 |
Building Commission |
C D Smith Construction Inc |
$26,667,554.09 |
Wisconsin State Checkbook |
| 2025 |
Health Services, Department Of |
Uw-Madison |
$26,611,390.18 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
Terra Engineering & Constr Co |
$26,579,517.95 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Name Withdrawn |
$25,920,110.94 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Summit Clinical Laboratories Llc |
$25,892,050.00 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Ae Business Solutions |
$25,870,076.26 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Market & Johnson Inc |
$25,802,882.87 |
Wisconsin State Checkbook |
| 2020 |
Conservation |
Employee Trust Funds |
$25,601,520.14 |
Wisconsin State Checkbook |
| 2024 |
Health Services, Department Of |
Sas Institute Inc |
$25,558,776.55 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Vinton Construction Co |
$25,422,255.84 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
A W Oakes & Sons |
$25,167,133.16 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
University Of Wisconsin System |
$25,117,841.90 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Dell Marketing Lp |
$25,049,057.30 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Shi Intl Corp |
$25,018,136.32 |
Wisconsin State Checkbook |