| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2023 |
Transportation, Department Of |
Exp Us Services Inc |
$1,818,618.33 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Riteway Bus Service Inc |
$1,818,100.03 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Ewalds Hartford Ford Llc |
$1,817,957.00 |
Wisconsin State Checkbook |
| 2017 |
Building Commission |
Olympic Builders General |
$1,817,782.80 |
Wisconsin State Checkbook |
| 2017 |
Building Commission |
Olympic Builders General |
$1,817,782.80 |
Wisconsin State Checkbook |
| 2023 |
Building Commission |
Northeast Asphalt Inc |
$1,816,291.71 |
Wisconsin State Checkbook |
| 2025 |
Corrections, Department Of |
Jackson Pharmacy Professionals Llc |
$1,815,636.76 |
Wisconsin State Checkbook |
| 2021 |
Conservation |
Ewald's Hartford Ford Linc Merc |
$1,815,627.00 |
Wisconsin State Checkbook |
| 2023 |
Financial Institutions, Department Of |
Employee Trust Funds |
$1,815,339.94 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Natl Assn Of Attorneys General |
$1,815,261.18 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Behnke Materials Engineering Llc |
$1,814,948.38 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Taylor County |
$1,814,046.90 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
American Pavement Solutions |
$1,813,716.38 |
Wisconsin State Checkbook |
| 2025 |
Historical Society |
Wi Historical Foundation Inc |
$1,813,521.11 |
Wisconsin State Checkbook |
| 2022 |
Children And Families, Department Of |
Tapfin Process Solutions |
$1,813,468.67 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Village Of Weston |
$1,811,936.90 |
Wisconsin State Checkbook |
| 2017 |
Health Services, Department Of |
Merck Sharp & Dohme Corp |
$1,811,746.27 |
Wisconsin State Checkbook |
| 2017 |
Health Services, Department Of |
Merck Sharp & Dohme Corp |
$1,811,746.27 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
University Of California San Diego |
$1,811,612.50 |
Wisconsin State Checkbook |
| 2019 |
Health Services, Department Of |
Univ Of Wi Hosp & Clinics |
$1,811,477.49 |
Wisconsin State Checkbook |
| 2019 |
Health Services, Department Of |
Univ Of Wi Hosp & Clinics |
$1,811,477.49 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
Dell Construction Co |
$1,810,446.42 |
Wisconsin State Checkbook |
| 2022 |
Health Services, Department Of |
Paragon Development Systems |
$1,809,355.15 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Us Bank Master Funding Acct Athletics |
$1,808,606.99 |
Wisconsin State Checkbook |
| 2016 |
University Of Wisconsin System |
Kw Delta Properties Inc |
$1,808,512.11 |
Wisconsin State Checkbook |
| 2024 |
Building Commission |
Vinton Construction Co |
$1,808,177.35 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
River Falls Municipal Utilities |
$1,807,825.94 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Otto Harrassowitz Gmbh & Co |
$1,807,508.56 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Shared Revenue And Tax Relief |
$1,806,941.82 |
Wisconsin State Checkbook |
| 2018 |
Children And Families, Department Of |
Us Bank Supplier For P-Card Payments |
$1,806,821.43 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Northwestern University |
$1,804,866.67 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
Specialty Engineering Grp Llc |
$1,804,787.50 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Quest Civil Engineers Llc |
$1,804,657.66 |
Wisconsin State Checkbook |
| 2024 |
Wisconsin Technical College System, Board Of |
Department Of Administration |
$1,804,562.74 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Department Of Natural Resources |
$1,804,247.14 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Thermo Electron North America Llc |
$1,803,820.52 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
Oclc Inc |
$1,803,632.95 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Innovive Llc |
$1,802,902.78 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Waushara County |
$1,802,680.91 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Langlade County |
$1,801,147.98 |
Wisconsin State Checkbook |
| 2016 |
University Of Wisconsin System |
River Falls Municipal Utilities |
$1,800,820.31 |
Wisconsin State Checkbook |
| 2016 |
University Of Wisconsin System |
Corporate Payment Systems |
$1,799,808.34 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Dunn County |
$1,797,613.68 |
Wisconsin State Checkbook |
| 2017 |
Public Instruction, Department Of |
Us Bank Supplier For P-Card Payments |
$1,797,376.24 |
Wisconsin State Checkbook |
| 2017 |
Public Instruction, Department Of |
Us Bank Supplier For P-card Payments |
$1,797,376.24 |
Wisconsin State Checkbook |
| 2021 |
Building Trust |
Bayland Buildings Inc |
$1,797,248.88 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Altmann Construction Co Inc |
$1,797,216.87 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Student Assurance Services Inc |
$1,796,041.00 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Crawford Co Hwy Dept |
$1,794,599.47 |
Wisconsin State Checkbook |
| 2019 |
Administration, Department Of |
Wi Public Service Corp |
$1,792,972.66 |
Wisconsin State Checkbook |
| 2019 |
Administration, Department Of |
Wi Public Service Corp |
$1,792,972.66 |
Wisconsin State Checkbook |
| 2024 |
Health Services, Department Of |
Uw-Green Bay |
$1,790,383.98 |
Wisconsin State Checkbook |
| 2022 |
Building Commission |
Fowler & Hammer Inc |
$1,789,967.82 |
Wisconsin State Checkbook |
| 2022 |
Building Commission |
Zignego Co Inc |
$1,789,626.47 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Washington University |
$1,789,380.40 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Apogee Telecom Inc. |
$1,788,928.01 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Maximus Health Services Inc |
$1,788,097.78 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
Langer Roofing & Sheet |
$1,787,387.71 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Buffalo County |
$1,787,191.91 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
First American Title Insurance Co |
$1,786,683.11 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
City Of Madison Treasurer |
$1,784,087.45 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Manitowoc County |
$1,783,982.61 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
Altius Building Company |
$1,783,835.32 |
Wisconsin State Checkbook |
| 2023 |
Corrections, Department Of |
Textbehind Inc |
$1,783,274.52 |
Wisconsin State Checkbook |
| 2016 |
University Of Wisconsin System |
Illumina Inc |
$1,782,072.68 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Locumtenens.Com Llc |
$1,781,627.56 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Collins Engineers Inc |
$1,780,963.70 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Patrick Engineering Inc |
$1,780,802.71 |
Wisconsin State Checkbook |
| 2016 |
Health Services, Department Of |
Public Consulting Group |
$1,780,589.00 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Cargill Inc |
$1,779,590.44 |
Wisconsin State Checkbook |
| 2017 |
Workforce Development, Department Of |
At&t |
$1,779,184.15 |
Wisconsin State Checkbook |
| 2017 |
Workforce Development, Department Of |
At&T |
$1,779,184.15 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Northwoods Inc Of Wi |
$1,778,987.03 |
Wisconsin State Checkbook |
| 2022 |
Natural Resources, Department Of |
Wisconsin Interactive Network |
$1,778,831.80 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Anthony Travel Inc |
$1,778,579.50 |
Wisconsin State Checkbook |
| 2023 |
Historical Society |
Wi Historical Foundation Inc |
$1,778,449.56 |
Wisconsin State Checkbook |
| 2018 |
Children And Families, Department Of |
Maximus |
$1,777,725.56 |
Wisconsin State Checkbook |
| 2016 |
Corrections, Department Of |
Wi Dept Of Administration |
$1,777,463.73 |
Wisconsin State Checkbook |
| 2023 |
Public Defender Board |
Carahsoft Technology Corp |
$1,777,329.64 |
Wisconsin State Checkbook |
| 2019 |
Health Services, Department Of |
Merck Sharp & Dohme Corp |
$1,776,793.90 |
Wisconsin State Checkbook |
| 2019 |
Health Services, Department Of |
Merck Sharp & Dohme Corp |
$1,776,793.90 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Frontier Science & Tech Research Found |
$1,776,314.05 |
Wisconsin State Checkbook |
| 2024 |
Building Commission |
Dirty Ducts Cleaning |
$1,775,960.84 |
Wisconsin State Checkbook |
| 2017 |
Revenue, Department Of |
Pollard Banknote Ltd |
$1,775,646.34 |
Wisconsin State Checkbook |
| 2017 |
Revenue, Department Of |
Pollard Banknote Ltd |
$1,775,646.34 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Avaap Usa Llc |
$1,775,533.48 |
Wisconsin State Checkbook |
| 2025 |
Workforce Development, Department Of |
Pitney Bowes Bank Inc |
$1,775,000.00 |
Wisconsin State Checkbook |
| 2021 |
Veterans Trust |
Lutheran Social Services |
$1,774,720.06 |
Wisconsin State Checkbook |
| 2025 |
Corrections, Department Of |
Inmate Calling Solutions |
$1,774,264.42 |
Wisconsin State Checkbook |
| 2025 |
Health Services, Department Of |
Amergis Healthcare Staffing Inc |
$1,773,831.85 |
Wisconsin State Checkbook |
| 2024 |
Building Commission |
C G Schmidt Inc |
$1,773,213.64 |
Wisconsin State Checkbook |
| 2024 |
Building Commission |
Century Fence Co |
$1,772,631.25 |
Wisconsin State Checkbook |
| 2017 |
Historical Society |
Employee Trust Funds |
$1,772,265.32 |
Wisconsin State Checkbook |
| 2017 |
Historical Society |
Employee Trust Funds |
$1,772,265.32 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Cengage Learning Inc |
$1,772,071.81 |
Wisconsin State Checkbook |
| 2022 |
Building Commission |
Pacific Construction Services Llc |
$1,771,686.56 |
Wisconsin State Checkbook |
| 2016 |
University Of Wisconsin System |
Battelle Memorial Institute |
$1,771,155.24 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
Apogee Telecom Inc |
$1,770,890.32 |
Wisconsin State Checkbook |
| 2022 |
Corrections, Department Of |
Bay Product Development |
$1,770,566.64 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Ricoh Usa Inc |
$1,770,277.41 |
Wisconsin State Checkbook |