| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2024 |
University Of Wisconsin System |
Georgetown University |
$1,359,476.79 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
Roofed Right America, Llc |
$1,359,207.40 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Wi Energy Conservation Corp |
$1,357,949.58 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Duke University |
$1,357,385.79 |
Wisconsin State Checkbook |
| 2024 |
Building Commission |
Golf Construction |
$1,357,295.67 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Perkinelmer Health Sciences Inc |
$1,356,856.57 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Rei |
$1,356,591.43 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
City Of New Lisbon |
$1,355,987.72 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Waukesha County |
$1,355,729.70 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Nassco Inc |
$1,355,405.91 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Toki & Associates Inc |
$1,355,321.70 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Select Rehabilitation Llc |
$1,353,997.72 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Ex Libris Usa Inc |
$1,353,972.76 |
Wisconsin State Checkbook |
| 2019 |
Public Instruction, Department Of |
Milwaukee Public Library |
$1,353,671.79 |
Wisconsin State Checkbook |
| 2025 |
Court Of Appeals |
Employee Trust Funds |
$1,353,381.18 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Carnegie Dartlet Llc |
$1,353,296.61 |
Wisconsin State Checkbook |
| 2021 |
Building Trust |
Boldt Co, The |
$1,352,964.04 |
Wisconsin State Checkbook |
| 2025 |
Safety And Professional Services, Department Of |
Wisconsin Retirement System |
$1,352,828.15 |
Wisconsin State Checkbook |
| 2024 |
Corrections, Department Of |
Inmate Calling Solutions |
$1,352,552.50 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Apogee Telecom Inc |
$1,351,522.05 |
Wisconsin State Checkbook |
| 2025 |
Administration, Department Of |
Ae Business Solutions |
$1,350,705.40 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
United Mailing Services Inc |
$1,350,450.27 |
Wisconsin State Checkbook |
| 2019 |
District Attorneys |
Fed-Oasdi Specialized Disb. Supplier |
$1,350,287.27 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Sauk County |
$1,349,752.22 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Hammel Green & Abrahamson Inc |
$1,349,577.77 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Pilgrim's Pride Corporation |
$1,349,344.23 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
University Of Wisconsin Hospitals And |
$1,349,025.83 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Acl Services Llc |
$1,348,673.04 |
Wisconsin State Checkbook |
| 2022 |
Lottery |
Hy Connect |
$1,348,223.38 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
City Of Madison |
$1,347,709.67 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Uwm School Of Continuing Education |
$1,347,682.14 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Cooper Engineering Co Inc |
$1,347,556.23 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
University Of Washington |
$1,347,406.17 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
University Of Wisconsin System |
$1,347,353.92 |
Wisconsin State Checkbook |
| 2024 |
Health Services, Department Of |
University Hospital Service |
$1,347,040.53 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Vilas County |
$1,346,824.22 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Jupiter Aluminum Corp |
$1,346,616.60 |
Wisconsin State Checkbook |
| 2022 |
Non-Statutory Fund |
Hoffman York, Inc. |
$1,346,354.21 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Alsum Produce |
$1,346,299.62 |
Wisconsin State Checkbook |
| 2022 |
Building Trust |
J H Findorff & Sons Inc |
$1,345,927.52 |
Wisconsin State Checkbook |
| 2025 |
Corrections, Department Of |
Corrections, Dept Of |
$1,345,805.08 |
Wisconsin State Checkbook |
| 2017 |
Building Commission |
Market & Johnson Inc |
$1,345,649.06 |
Wisconsin State Checkbook |
| 2025 |
Agriculture, Trade And Consumer Protection, Department Of |
Us Bank Supplier For P-Card Payments |
$1,345,174.22 |
Wisconsin State Checkbook |
| 2022 |
General Fund |
Eimer Stahl Llp |
$1,343,987.17 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Fhi Clinical Inc |
$1,343,439.87 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
United Parcel Service Inc |
$1,342,968.72 |
Wisconsin State Checkbook |
| 2017 |
Administration, Department Of |
Dell Computer Corp |
$1,342,550.56 |
Wisconsin State Checkbook |
| 2025 |
Supreme Court |
Tenney Llc |
$1,342,014.59 |
Wisconsin State Checkbook |
| 2024 |
Health Services, Department Of |
Washington Square Assoc |
$1,341,586.40 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
Van Ert Electric Co |
$1,340,874.67 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Desire2learn |
$1,339,986.13 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
10X Genomics |
$1,339,833.47 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Eppendorf North America Inc |
$1,338,253.04 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
Kontext Architects Llc |
$1,337,127.57 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Dell Marketing Lp |
$1,336,726.29 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
City Of Mequon |
$1,335,956.12 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Johns Hopkins University |
$1,335,653.17 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Buffalo County |
$1,335,424.32 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Northwoods Inc Of Wi |
$1,335,376.00 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
University Of Wisconsin-System |
$1,334,621.21 |
Wisconsin State Checkbook |
| 2022 |
Capital Improvement |
Energy Performance Spec, Dba |
$1,334,226.29 |
Wisconsin State Checkbook |
| 2018 |
Building Commission |
Bwbr Architects Inc |
$1,334,175.66 |
Wisconsin State Checkbook |
| 2024 |
Wisconsin Economic Development Corporation |
Urban League Of Greater Madison Inc |
$1,334,086.34 |
Wisconsin State Checkbook |
| 2022 |
Veterans Trust |
Department Of Administration |
$1,333,044.81 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
University Of California San Francisco |
$1,332,924.52 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Fisher Scientific Company Llc Catalog |
$1,332,651.58 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Lafayette County |
$1,332,577.82 |
Wisconsin State Checkbook |
| 2024 |
Building Commission |
Mead & Hunt Inc |
$1,332,060.11 |
Wisconsin State Checkbook |
| 2021 |
Building Trust |
Edge Consulting Engineers Inc |
$1,331,538.76 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Otto Harrassowitz Gmbh & Co Kg |
$1,330,292.29 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Elsevier Bv |
$1,330,281.36 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Nikon Instruments Inc |
$1,330,213.30 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
Aldridge Electric Inc |
$1,330,153.75 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Mccabe Construction Inc |
$1,328,999.56 |
Wisconsin State Checkbook |
| 2019 |
Miscellaneous Appropriations |
Doa Checks - Stale Date-Reissue |
$1,328,640.27 |
Wisconsin State Checkbook |
| 2017 |
Building Commission |
J H Hassinger Inc |
$1,327,988.43 |
Wisconsin State Checkbook |
| 2017 |
Administration, Department Of |
Sprint Solutions Inc |
$1,327,880.51 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
William S Middleton Memorial |
$1,327,866.17 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Northwoods Inc Of Wi |
$1,326,577.67 |
Wisconsin State Checkbook |
| 2025 |
State Fair Park Board |
Employee Trust Funds |
$1,326,059.22 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Lenovo Global Technology |
$1,325,374.21 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Gfc Leasing Co |
$1,324,774.59 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
University Of Utah |
$1,323,262.56 |
Wisconsin State Checkbook |
| 2019 |
Public Instruction, Department Of |
University Of Kansas |
$1,323,141.70 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Cesa #11 |
$1,322,634.23 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Green County |
$1,322,369.32 |
Wisconsin State Checkbook |
| 2023 |
Wisconsin State Checkbook |
Suburban Elevator |
$1,322,003.36 |
Wisconsin State Checkbook |
| 2020 |
Building Trust |
V & S Construction Services Inc |
$1,318,969.37 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Fastenal Co |
$1,318,683.95 |
Wisconsin State Checkbook |
| 2025 |
Revenue, Department Of |
Treasury Services Group, Llc |
$1,317,644.45 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
At&T |
$1,317,232.93 |
Wisconsin State Checkbook |
| 2022 |
Capital Improvement |
Kish & Sons Electric Inc |
$1,316,923.45 |
Wisconsin State Checkbook |
| 2024 |
Building Commission |
Nieman Central Wi Roofing Co |
$1,315,854.97 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Harvard University |
$1,315,672.55 |
Wisconsin State Checkbook |
| 2021 |
Capital Improvement |
Stack Bros Mechanical Contr |
$1,314,788.84 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Synercomm Inc |
$1,314,747.67 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Us Treasury |
$1,314,432.27 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Qiagen Inc |
$1,314,373.91 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
Custofoam Corp |
$1,314,170.58 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Scientific Games Int Inc |
$1,314,168.23 |
Wisconsin State Checkbook |