| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2021 |
Wisconsin State Checkbook |
Madison Gas & Electric Co |
$10,305,329.06 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Treasurer,Building Trust Fund |
$10,297,065.36 |
Wisconsin State Checkbook |
| 2024 |
Justice, Department Of |
Employee Trust Funds |
$10,266,652.37 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Mead & Hunt Inc |
$10,266,124.92 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
H James & Sons Inc |
$10,265,249.25 |
Wisconsin State Checkbook |
| 2024 |
Justice, Department Of |
Department Of Administration |
$10,254,475.87 |
Wisconsin State Checkbook |
| 2021 |
Building Trust |
Market & Johnson Inc |
$10,251,049.78 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Cdw Government Llc |
$10,216,392.93 |
Wisconsin State Checkbook |
| 2017 |
Tourism, Department Of |
Laughlin Constable Inc |
$10,213,892.44 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Wellfleet |
$10,197,019.01 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Outagamie County |
$10,188,941.91 |
Wisconsin State Checkbook |
| 2021 |
Capital Improvement |
Market & Johnson Inc |
$10,164,398.09 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Madison Metro Transit |
$10,104,318.00 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Unisys Corp |
$10,101,433.38 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Department Of Justice |
$10,090,101.87 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Chippewa Concrete Services Inc |
$10,078,641.63 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Waukesha County |
$10,063,407.06 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Ae Business Solutions |
$10,047,928.92 |
Wisconsin State Checkbook |
| 2024 |
Natural Resources, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$9,980,162.60 |
Wisconsin State Checkbook |
| 2021 |
Capital Improvement |
Terra Engineering & Constr Co |
$9,920,547.98 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Martin Brothers Distributing Co Inc |
$9,918,150.84 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Ibm Corporation |
$9,899,282.82 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Ibm Corporation |
$9,888,976.42 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Doa Checks - Stale Date-Reissue |
$9,888,743.97 |
Wisconsin State Checkbook |
| 2024 |
Children And Families, Department Of |
Department Of Health Services |
$9,819,871.19 |
Wisconsin State Checkbook |
| 2018 |
Children And Families, Department Of |
Employee Trust Funds |
$9,805,213.18 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Edgerton Conractors Inc |
$9,784,504.02 |
Wisconsin State Checkbook |
| 2019 |
Workforce Development, Department Of |
Employee Trust Funds |
$9,768,152.16 |
Wisconsin State Checkbook |
| 2024 |
Veterans Affairs, Department Of |
Health Dimensions Group |
$9,759,185.68 |
Wisconsin State Checkbook |
| 2017 |
Workforce Development, Department Of |
Tapfin Process Solutions |
$9,729,123.26 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Elavon Inc |
$9,689,293.39 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Mead & Hunt Inc |
$9,681,093.90 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Board Of Regents Uw System |
$9,679,920.28 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Cdw Government |
$9,666,782.78 |
Wisconsin State Checkbook |
| 2017 |
Children And Families, Department Of |
Employee Trust Funds |
$9,658,651.59 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Ciee Inc |
$9,648,476.78 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Kl Engineering Inc |
$9,579,323.48 |
Wisconsin State Checkbook |
| 2024 |
Agriculture, Trade And Consumer Protection, Department Of |
Employee Trust Funds |
$9,558,296.39 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Century Fence Co |
$9,546,014.38 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Uw Hospitals & Clinics |
$9,542,841.31 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Ayres Associates |
$9,522,377.02 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Sodexo Inc |
$9,505,925.24 |
Wisconsin State Checkbook |
| 2024 |
Corrections, Department Of |
Fed-Medicare Specialized Disb. Supplier |
$9,497,945.17 |
Wisconsin State Checkbook |
| 2020 |
Capital Improvement |
Wire Payment - Us Bank |
$9,489,444.32 |
Wisconsin State Checkbook |
| 2017 |
Building Commission |
Johnson Controls Inc |
$9,487,526.42 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Haas Sons Inc |
$9,475,352.87 |
Wisconsin State Checkbook |
| 2024 |
Public Defender Board |
Employee Trust Funds |
$9,455,536.00 |
Wisconsin State Checkbook |
| 2019 |
Administration, Department Of |
Single Payment Supplier |
$9,449,327.93 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Morton Salt Inc |
$9,437,505.82 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Austin Major Group Llc |
$9,410,719.82 |
Wisconsin State Checkbook |
| 2024 |
Administration, Department Of |
Ibm Corporation |
$9,400,066.31 |
Wisconsin State Checkbook |
| 2020 |
Public Employee Trust |
Minnesota Life Insurance Co |
$9,397,792.67 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
A W Oakes & Sons |
$9,365,041.93 |
Wisconsin State Checkbook |
| 2024 |
Public Instruction, Department Of |
Drc/Ctb |
$9,356,742.45 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Lalonde Contractors Inc |
$9,355,869.68 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Ebsco Information Services |
$9,329,844.30 |
Wisconsin State Checkbook |
| 2018 |
Building Commission |
Sma Construction Services Llc |
$9,271,433.72 |
Wisconsin State Checkbook |
| 2019 |
Administration, Department Of |
Aon Risk Services Central Inc |
$9,265,521.38 |
Wisconsin State Checkbook |
| 2019 |
Revenue, Department Of |
Employee Trust Funds |
$9,256,269.75 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Dept Of Safety & Professional Services |
$9,253,283.77 |
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 |
| 2024 |
Transportation, Department Of |
Knowledge Services |
$9,219,815.27 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
W W Grainger Inc |
$9,205,590.05 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Apple Computer |
$9,193,483.55 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Msa Professional Services Inc |
$9,170,211.64 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
State Fair Park Board |
$9,162,639.81 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Xcel Energy |
$9,148,227.91 |
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 |
Wisconsin State Checkbook |
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 |
| 2024 |
Transportation, Department Of |
Aecom Technical Services Inc |
$9,054,996.81 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Wi & Southern Railroad |
$9,024,350.68 |
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 |
| 2023 |
Wisconsin State Checkbook |
Core Bts Inc |
$8,986,607.15 |
Wisconsin State Checkbook |
| 2018 |
Tourism, Department Of |
Laughlin Constable Inc |
$8,978,234.92 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Sodexo Inc |
$8,953,849.11 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Ae Business Solutions |
$8,938,658.69 |
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 |
| 2024 |
Transportation, Department Of |
Corre Inc |
$8,885,920.76 |
Wisconsin State Checkbook |
| 2017 |
Justice, Department Of |
Department Of Administration |
$8,859,481.52 |
Wisconsin State Checkbook |
| 2022 |
Transportation |
Zenith Tech Inc |
$8,806,760.56 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
A W Oakes & Sons |
$8,800,644.84 |
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 |
| 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 |
General Fund |
Cardinal Health 110 Inc |
$8,606,878.74 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Act Inc |
$8,587,601.50 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Milwaukee, City Of |
$8,573,477.96 |
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 |
| 2023 |
Wisconsin State Checkbook |
Wi Public Service Corp |
$8,551,037.28 |
Wisconsin State Checkbook |
| 2018 |
Revenue, Department Of |
Hy Connect |
$8,542,754.88 |
Wisconsin State Checkbook |