| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2023 |
Transportation, Department Of |
City Of Mequon |
$1,335,807.77 |
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 |
| 2022 |
Building Commission |
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 |
| 2020 |
General Fund-Uw |
University Of California San Francisco |
$1,332,924.52 |
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 |
| 2023 |
University Of Wisconsin System |
Northwestern University |
$1,331,664.94 |
Wisconsin State Checkbook |
| 2021 |
Building Trust |
Edge Consulting Engineers Inc |
$1,331,538.76 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Otto Harrassowitz Gmbh & Co Kg |
$1,330,292.29 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Elsevier Bv |
$1,330,281.36 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Nikon Instruments Inc |
$1,330,213.30 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
Aldridge Electric Inc |
$1,330,153.75 |
Wisconsin State Checkbook |
| 2022 |
Administration, Department Of |
Ae Business Solutions |
$1,329,423.19 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Mccabe Construction Inc |
$1,328,999.56 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
President And Fellows Of Harvard College |
$1,328,788.75 |
Wisconsin State Checkbook |
| 2019 |
Miscellaneous Appropriations |
Doa Checks - Stale Date-Reissue |
$1,328,640.27 |
Wisconsin State Checkbook |
| 2019 |
Miscellaneous Appropriations |
Doa Checks - Stale Date-Reissue |
$1,328,640.27 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Ewald Motors Of Oconomowoc Llc |
$1,328,600.00 |
Wisconsin State Checkbook |
| 2017 |
Building Commission |
J H Hassinger Inc |
$1,327,988.43 |
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 |
| 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 |
| 2022 |
University Of Wisconsin System |
Shine United Llc |
$1,327,825.25 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Janke General Contractors Inc |
$1,327,099.93 |
Wisconsin State Checkbook |
| 2022 |
Health Services, Department Of |
Century Tel |
$1,326,705.84 |
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 |
| 2022 |
Building Commission |
Westphal & Co Inc |
$1,325,656.80 |
Wisconsin State Checkbook |
| 2023 |
Supreme Court |
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 |
| 2022 |
Transportation, Department Of |
Aashto |
$1,324,694.10 |
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 |
| 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 |
| 2019 |
Transportation, Department Of |
Northern Wisconsin- |
$1,322,159.35 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Suburban Elevator |
$1,322,003.36 |
Wisconsin State Checkbook |
| 2023 |
Health Services, Department Of |
Madison Gas & Electric |
$1,320,695.13 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
At&T |
$1,319,337.04 |
Wisconsin State Checkbook |
| 2020 |
Building Trust |
V & S Construction Services Inc |
$1,318,969.37 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Wisys Technology Foundation Inc |
$1,318,831.20 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Fastenal Co |
$1,318,683.95 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
University Of Iowa |
$1,318,578.69 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Department Of Justice |
$1,318,374.90 |
Wisconsin State Checkbook |
| 2022 |
Children And Families, Department Of |
Us Bank Supplier For P-Card Payments |
$1,318,322.38 |
Wisconsin State Checkbook |
| 2025 |
Revenue, Department Of |
Treasury Services Group, Llc |
$1,317,644.45 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Wisconsin Historical Society |
$1,317,282.08 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
At&T |
$1,317,232.93 |
Wisconsin State Checkbook |
| 2023 |
Tourism, Department Of |
Turner |
$1,317,124.31 |
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 |
| 2022 |
Transportation, Department Of |
Cooper Engineering Co Inc |
$1,315,664.34 |
Wisconsin State Checkbook |
| 2016 |
University Of Wisconsin System |
Alere Wellbeing Inc |
$1,315,303.29 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
Reinhart Food Service |
$1,314,902.34 |
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 |
| 2016 |
Corrections, Department Of |
Energy Systems Group Llc |
$1,314,307.68 |
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 |
| 2020 |
Transportation |
Wisconsin Power & Light Co |
$1,313,998.31 |
Wisconsin State Checkbook |
| 2020 |
Conservation |
Camis Usa Inc |
$1,313,984.25 |
Wisconsin State Checkbook |
| 2023 |
Building Commission |
J&L Electrical Services Llc |
$1,313,916.08 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Iron County |
$1,313,905.09 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Presidio Networked Solutions Group Llc |
$1,313,586.44 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Mile Bluff Medical Center,Inc |
$1,313,399.34 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Iron County |
$1,313,219.32 |
Wisconsin State Checkbook |
| 2021 |
Building Trust |
Berners-Schober Assoc Inc |
$1,313,168.34 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Aspen Aerials Inc |
$1,313,087.93 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
***Us Bank 395 |
$1,312,849.51 |
Wisconsin State Checkbook |
| 2025 |
Supreme Court |
West Information Publ Group |
$1,312,481.84 |
Wisconsin State Checkbook |
| 2022 |
Public Defender Board |
Capital Park Assoc Llp |
$1,311,618.06 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Badger Housing Associates Iii |
$1,311,587.35 |
Wisconsin State Checkbook |
| 2022 |
Corrections, Department Of |
At&T |
$1,311,459.65 |
Wisconsin State Checkbook |
| 2016 |
Natural Resources, Department Of |
Us Bank - Purchasing Card (Dnr) |
$1,311,355.69 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Ashland Co Hwy Dept |
$1,311,041.99 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Adams County |
$1,310,691.45 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
K Singh & Assoc Inc |
$1,309,270.83 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Behnke Materials Engineering Llc |
$1,308,701.56 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Waushara County |
$1,308,592.59 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Forest Co Hwy Dept |
$1,308,440.31 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Mcmullen & Pitz Construction Company |
$1,307,443.48 |
Wisconsin State Checkbook |
| 2025 |
Health Services, Department Of |
Sigma Resources Llc |
$1,307,424.80 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Tri-Bolt Llc |
$1,307,336.00 |
Wisconsin State Checkbook |
| 2022 |
Administration, Department Of |
Department Of Natural Resources |
$1,307,120.36 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Cooper Engineering Co Inc |
$1,306,155.81 |
Wisconsin State Checkbook |
| 2024 |
Natural Resources, Department Of |
Wisconsin Interactive Network |
$1,306,121.74 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Whitewater, City Of |
$1,306,018.47 |
Wisconsin State Checkbook |
| 2023 |
Health Services, Department Of |
Washington Square Assoc |
$1,305,680.20 |
Wisconsin State Checkbook |
| 2016 |
University Of Wisconsin System |
Badger Coaches Inc |
$1,305,101.26 |
Wisconsin State Checkbook |
| 2025 |
Veterans Affairs, Department Of |
Indianhead Food Sv Distributor |
$1,305,092.77 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Green County |
$1,304,469.03 |
Wisconsin State Checkbook |
| 2018 |
Supreme Court |
Employee Trust Funds |
$1,304,019.73 |
Wisconsin State Checkbook |