| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2023 |
Administration, Department Of |
Dept Of Safety & Professional Services |
$9,253,088.77 |
Wisconsin State Checkbook |
| 2022 |
Building Commission |
J H Findorff & Sons Inc |
$9,247,921.24 |
Wisconsin State Checkbook |
| 2019 |
Corrections, Department Of |
Us Bank Supplier For P-Card Payments |
$9,241,543.90 |
Wisconsin State Checkbook |
| 2019 |
Corrections, Department Of |
Us Bank Supplier For P-Card Payments |
$9,241,543.90 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Michigan State University |
$9,239,523.84 |
Wisconsin State Checkbook |
| 2023 |
Employee Trust Funds, Department Of |
Knowledge Services |
$9,231,558.80 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Knowledge Services |
$9,219,815.27 |
Wisconsin State Checkbook |
| 2025 |
Administration, Department Of |
Ibm Corporation |
$9,212,676.22 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Apple Computer |
$9,193,483.55 |
Wisconsin State Checkbook |
| 2022 |
Natural Resources, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$9,190,582.55 |
Wisconsin State Checkbook |
| 2023 |
Corrections, Department Of |
Fed-Medicare Specialized Disb. Supplier |
$9,184,531.20 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
State Of Minnesota |
$9,181,997.14 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
State Fair Park Board |
$9,162,639.81 |
Wisconsin State Checkbook |
| 2016 |
University Of Wisconsin System |
We Energies |
$9,158,141.60 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
At&T |
$9,118,045.61 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Jt Engineering Inc |
$9,110,049.79 |
Wisconsin State Checkbook |
| 2023 |
Veterans Affairs, Department Of |
Health Dimensions Group |
$9,090,944.64 |
Wisconsin State Checkbook |
| 2019 |
Corrections, Department Of |
Department Of Health Services |
$9,080,271.66 |
Wisconsin State Checkbook |
| 2019 |
Corrections, Department Of |
Department Of Health Services |
$9,080,271.66 |
Wisconsin State Checkbook |
| 2023 |
Circuit Courts |
Employee Trust Funds |
$9,070,861.11 |
Wisconsin State Checkbook |
| 2022 |
Health Services, Department Of |
W W Grainger Inc |
$9,059,972.93 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Aecom Technical Services Inc |
$9,054,996.81 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
Cdw Government |
$9,054,209.15 |
Wisconsin State Checkbook |
| 2022 |
Children And Families, Department Of |
Employee Trust Funds |
$9,041,303.30 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Wi & Southern Railroad |
$9,024,350.68 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Strand Assoc Inc |
$9,019,255.78 |
Wisconsin State Checkbook |
| 2019 |
Administration, Department Of |
Pitney Bowes Bank Inc |
$9,003,593.47 |
Wisconsin State Checkbook |
| 2019 |
Administration, Department Of |
Pitney Bowes Bank Inc |
$9,003,593.47 |
Wisconsin State Checkbook |
| 2019 |
Employee Trust Funds, Department Of |
Wire Payment - Us Bank |
$9,000,000.00 |
Wisconsin State Checkbook |
| 2019 |
Employee Trust Funds, Department Of |
Wire Payment - Us Bank |
$9,000,000.00 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Msa Professional Services Inc |
$8,984,635.73 |
Wisconsin State Checkbook |
| 2023 |
Health Services, Department Of |
Cardinal Health 110 Inc |
$8,984,195.97 |
Wisconsin State Checkbook |
| 2018 |
Tourism, Department Of |
Laughlin Constable Inc |
$8,978,234.92 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Chippewa Concrete Services Inc |
$8,963,303.81 |
Wisconsin State Checkbook |
| 2023 |
Agriculture, Trade And Consumer Protection, Department Of |
Employee Trust Funds |
$8,954,998.30 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Sodexo Inc |
$8,953,849.11 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Ae Business Solutions |
$8,938,658.69 |
Wisconsin State Checkbook |
| 2016 |
University Of Wisconsin System |
Martin Brothers Distributing Co Inc |
$8,930,390.26 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Wisconsin Dept Of Administration |
$8,918,313.42 |
Wisconsin State Checkbook |
| 2020 |
Building Trust |
C D Smith Construction Inc |
$8,899,143.21 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Corre Inc |
$8,887,718.28 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Corre Inc |
$8,885,920.76 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Haas Sons Inc |
$8,873,457.96 |
Wisconsin State Checkbook |
| 2016 |
Health Services, Department Of |
Deloitte Consulting |
$8,865,475.65 |
Wisconsin State Checkbook |
| 2017 |
Justice, Department Of |
Department Of Administration |
$8,859,481.52 |
Wisconsin State Checkbook |
| 2017 |
Justice, Department Of |
Department Of Administration |
$8,859,481.52 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
A W Oakes & Sons |
$8,800,644.84 |
Wisconsin State Checkbook |
| 2022 |
Circuit Courts |
Employee Trust Funds |
$8,799,416.65 |
Wisconsin State Checkbook |
| 2018 |
Justice, Department Of |
Department Of Administration |
$8,764,787.54 |
Wisconsin State Checkbook |
| 2024 |
Public Instruction, Department Of |
Employee Trust Funds |
$8,744,142.01 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Larson Construction Co Inc |
$8,735,241.81 |
Wisconsin State Checkbook |
| 2019 |
Public Instruction, Department Of |
Act Inc |
$8,731,640.00 |
Wisconsin State Checkbook |
| 2019 |
Public Instruction, Department Of |
Act Inc |
$8,731,640.00 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Haas Sons Inc |
$8,724,354.71 |
Wisconsin State Checkbook |
| 2020 |
Conservation |
Wisconsin Retirement System |
$8,713,930.88 |
Wisconsin State Checkbook |
| 2020 |
Core Retirement Investment Trust |
Staywell Company Llc, The |
$8,695,344.39 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Ebsco Information Services |
$8,668,785.76 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Knowledge Services |
$8,661,199.35 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Larson Construction Co Inc |
$8,644,975.96 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Madison Metro Transit |
$8,634,652.50 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Ayres Associates |
$8,625,107.84 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Waukesha County |
$8,615,353.53 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Larson Construction Co Inc |
$8,602,245.81 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Act Inc |
$8,587,601.50 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Ciee Inc |
$8,578,283.23 |
Wisconsin State Checkbook |
| 2020 |
Capital Improvement |
Corporate Contractors Inc |
$8,556,384.39 |
Wisconsin State Checkbook |
| 2018 |
Wisconsin Technical College System, Board Of |
Department Of Public Instruction |
$8,554,997.56 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Dane County |
$8,546,546.30 |
Wisconsin State Checkbook |
| 2018 |
Revenue, Department Of |
Hy Connect |
$8,542,754.88 |
Wisconsin State Checkbook |
| 2022 |
Corrections, Department Of |
Knowledge Services |
$8,542,666.11 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Michigan State University |
$8,541,002.93 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Parisi Construction Llc |
$8,512,479.51 |
Wisconsin State Checkbook |
| 2022 |
Natural Resources, Department Of |
Us Bank Supplier For P-Card Payments |
$8,502,705.51 |
Wisconsin State Checkbook |
| 2020 |
Lottery |
Hy Connect |
$8,499,804.47 |
Wisconsin State Checkbook |
| 2019 |
Building Commission |
Johnson Controls Inc |
$8,495,630.93 |
Wisconsin State Checkbook |
| 2019 |
Building Commission |
Johnson Controls Inc |
$8,495,630.93 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Pheifer Brothers Construction Co Inc |
$8,494,036.88 |
Wisconsin State Checkbook |
| 2022 |
Health Services, Department Of |
Cardinal Health 110 Inc |
$8,492,100.04 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
H James & Sons Inc |
$8,486,783.05 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Department Of Public Instruction |
$8,483,464.11 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Miron Construction Co Inc |
$8,467,570.40 |
Wisconsin State Checkbook |
| 2023 |
Employee Trust Funds, Department Of |
Webmd Health Services Group Inc |
$8,427,888.94 |
Wisconsin State Checkbook |
| 2023 |
Administration, Department Of |
Carahsoft Technology Corp |
$8,418,187.03 |
Wisconsin State Checkbook |
| 2021 |
Capital Improvement |
Corporate Contractors Inc |
$8,402,450.06 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Larson Construction Co Inc |
$8,348,090.98 |
Wisconsin State Checkbook |
| 2024 |
Legislature |
Employee Trust Funds |
$8,347,980.35 |
Wisconsin State Checkbook |
| 2018 |
Justice, Department Of |
Employee Trust Funds |
$8,304,782.85 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Triple P Inc |
$8,295,161.84 |
Wisconsin State Checkbook |
| 2017 |
Health Services, Department Of |
Us Bank Supplier For P-Card Payments |
$8,281,329.03 |
Wisconsin State Checkbook |
| 2017 |
Health Services, Department Of |
Us Bank Supplier For P-card Payments |
$8,281,329.03 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Oracle America Inc |
$8,272,763.10 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Shi |
$8,270,154.95 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Market & Johnson Inc |
$8,266,503.58 |
Wisconsin State Checkbook |
| 2024 |
Natural Resources, Department Of |
Us Bank Supplier For P-Card Payments |
$8,265,756.44 |
Wisconsin State Checkbook |
| 2024 |
Building Commission |
Fowler & Hammer Inc |
$8,244,466.43 |
Wisconsin State Checkbook |
| 2023 |
Revenue, Department Of |
Hiebing Group Inc, The |
$8,242,264.96 |
Wisconsin State Checkbook |
| 2022 |
Health Services, Department Of |
Knowledge Services |
$8,224,005.01 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Health Dimensions Group |
$8,221,498.80 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Morton Salt Inc |
$8,211,111.69 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Daar Engineering Inc |
$8,209,582.17 |
Wisconsin State Checkbook |