| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2021 |
General Fund |
W W Grainger Inc |
$22,782,949.56 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Constellation Newenergy Gas Dv |
$22,733,621.41 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Madison Gas & Electric |
$22,727,495.00 |
Wisconsin State Checkbook |
| 2017 |
Administration, Department Of |
Wisconsin Dept Of Administration |
$22,723,604.52 |
Wisconsin State Checkbook |
| 2024 |
Health Services, Department Of |
Uw-Madison |
$22,683,385.01 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Fed-Medicare Specialized Disb. Supplier |
$22,662,830.50 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
R G Huston Company Inc |
$22,626,776.81 |
Wisconsin State Checkbook |
| 2017 |
Employee Trust Funds, Department Of |
Wire Payment - Us Bank |
$22,542,611.07 |
Wisconsin State Checkbook |
| 2024 |
Administration, Department Of |
Constellation Newenergy Gas Dv |
$22,464,183.60 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Kkm Global Group Llc |
$22,419,494.09 |
Wisconsin State Checkbook |
| 2024 |
Employee Trust Funds, Department Of |
Strategic Resource Company Src |
$22,405,879.36 |
Wisconsin State Checkbook |
| 2024 |
Corrections, Department Of |
Upper Peninsula Health Group |
$22,379,930.89 |
Wisconsin State Checkbook |
| 2024 |
Employee Trust Funds, Department Of |
Wire Payment - Us Bank |
$22,369,275.00 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Hntb Corp |
$22,306,398.52 |
Wisconsin State Checkbook |
| 2020 |
Core Retirement Investment Trust |
Strategic Resource Company Src |
$22,100,784.00 |
Wisconsin State Checkbook |
| 2021 |
Conservation |
Employee Trust Funds |
$22,069,357.39 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Constellation Newenergy Gas Dv |
$22,050,033.22 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Lunda Construction |
$22,029,954.92 |
Wisconsin State Checkbook |
| 2024 |
Administration, Department Of |
Public Service Commission |
$21,921,846.53 |
Wisconsin State Checkbook |
| 2017 |
Administration, Department Of |
Tapfin Process Solutions |
$21,863,463.37 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Alorica Inc |
$21,781,159.32 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
University Of Wisconsin Hospitals |
$21,561,073.65 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Data Recognition |
$21,554,901.00 |
Wisconsin State Checkbook |
| 2024 |
Children And Families, Department Of |
Knowledge Services |
$21,356,826.44 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Single Payment Supplier |
$21,317,039.39 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Compass Minerals America Inc |
$21,302,057.78 |
Wisconsin State Checkbook |
| 2017 |
Building Commission |
J P Cullen & Sons Inc |
$21,102,823.23 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Shi Intl Corp |
$21,057,359.51 |
Wisconsin State Checkbook |
| 2022 |
Building Trust |
J P Cullen & Sons Inc |
$21,034,486.12 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Corrections, Dept Of |
$20,993,169.31 |
Wisconsin State Checkbook |
| 2019 |
Corrections, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$20,968,980.36 |
Wisconsin State Checkbook |
| 2022 |
Building Trust |
C D Smith Construction Inc |
$20,966,935.21 |
Wisconsin State Checkbook |
| 2018 |
Employee Trust Funds, Department Of |
Etf Ach-Retirees |
$20,872,138.51 |
Wisconsin State Checkbook |
| 2024 |
Administration, Department Of |
Department Of Children And Families |
$20,829,145.52 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Terra Engineering & Constr Co |
$20,793,979.55 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Strategic Resource Company Src |
$20,501,484.38 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Lunda Construction |
$20,405,789.17 |
Wisconsin State Checkbook |
| 2024 |
Workforce Development, Department Of |
Department Of Administration |
$20,333,801.00 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Compass Minerals America Inc |
$20,306,965.00 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Morton Salt Inc |
$20,241,398.90 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Mashuda Contractors Inc |
$20,230,705.49 |
Wisconsin State Checkbook |
| 2021 |
Core Retirement Investment Trust |
Strategic Resource Company Src |
$20,185,077.08 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Department Of Administration |
$20,043,917.51 |
Wisconsin State Checkbook |
| 2022 |
Transportation |
Michels Road & Stone Inc |
$20,007,096.00 |
Wisconsin State Checkbook |
| 2017 |
Administration, Department Of |
At&t |
$19,967,253.20 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
A-1 Excavating Inc |
$19,953,875.51 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Corporate Payment Systems |
$19,940,136.60 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
R G Huston Company Inc |
$19,912,807.05 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Corrections, Dept Of |
$19,860,746.68 |
Wisconsin State Checkbook |
| 2022 |
Transportation |
Payne & Dolan Inc |
$19,854,914.65 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Wisconsin Dept Of Administration |
$19,743,162.00 |
Wisconsin State Checkbook |
| 2022 |
Core Retirement Investment Trust |
Strategic Resource Company Src |
$19,558,951.29 |
Wisconsin State Checkbook |
| 2024 |
Workforce Development, Department Of |
Employee Trust Funds |
$19,550,602.41 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Fisher Scientific Company Llc Catalog |
$19,391,113.80 |
Wisconsin State Checkbook |
| 2019 |
Administration, Department Of |
Wisconsin Dept Of Administration |
$19,380,270.56 |
Wisconsin State Checkbook |
| 2017 |
Health Services, Department Of |
Fed-oasdi Specialized Disb. Supplier |
$19,327,599.73 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Sas Institute Inc |
$19,124,151.33 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Single Payment Supplier |
$19,036,053.43 |
Wisconsin State Checkbook |
| 2019 |
Health Services, Department Of |
Wisconsin Retirement System |
$18,809,516.71 |
Wisconsin State Checkbook |
| 2018 |
Workforce Development, Department Of |
Department Of Administration |
$18,644,161.53 |
Wisconsin State Checkbook |
| 2018 |
Employee Trust Funds, Department Of |
Minnesota Life Insurance Co |
$18,626,002.28 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
A-1 Excavating Inc |
$18,607,266.01 |
Wisconsin State Checkbook |
| 2017 |
Building Commission |
Fowler & Hammer Inc |
$18,588,808.94 |
Wisconsin State Checkbook |
| 2024 |
Building Commission |
Joe Daniels Constr Co Inc |
$18,579,212.40 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Milwaukee County |
$18,547,619.09 |
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 |
| 2018 |
Children And Families, Department Of |
Tapfin Process Solutions |
$18,095,848.35 |
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 |
| 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 |
| 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 |