| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2021 |
Wisconsin State Checkbook |
Riteway Bus Service Inc |
$2,544,618.97 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Shi Intl Corp |
$2,543,602.32 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
City Of Beaver Dam |
$2,543,185.25 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Oneida Engineering Solutions |
$2,542,738.46 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Vernon County |
$2,541,810.18 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Iowa County |
$2,540,628.81 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Fond Du Lac County |
$2,540,450.43 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Amtrak |
$2,539,482.69 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Dane County |
$2,538,804.30 |
Wisconsin State Checkbook |
| 2019 |
Workforce Development, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$2,538,664.32 |
Wisconsin State Checkbook |
| 2019 |
Workforce Development, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$2,538,664.32 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Iowa County Hwy Dept |
$2,538,318.93 |
Wisconsin State Checkbook |
| 2023 |
Military Affairs, Department Of |
Wisconsin Retirement System |
$2,538,041.64 |
Wisconsin State Checkbook |
| 2025 |
Veterans Affairs, Department Of |
Us Bank Supplier For P-Card Payments |
$2,538,006.46 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Provision Partners |
$2,537,580.96 |
Wisconsin State Checkbook |
| 2023 |
Corrections, Department Of |
Shi Intl Corp |
$2,537,519.38 |
Wisconsin State Checkbook |
| 2021 |
Capital Improvement |
Mz Construction Inc |
$2,537,446.42 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Ref Bridgeway Commons Llc |
$2,536,935.40 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Pro Electric Inc |
$2,535,395.14 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Ref Bridgeway Commons Llc |
$2,535,023.00 |
Wisconsin State Checkbook |
| 2023 |
Corrections, Department Of |
We Energies |
$2,534,913.30 |
Wisconsin State Checkbook |
| 2025 |
Public Instruction, Department Of |
Cesa #2 |
$2,534,844.28 |
Wisconsin State Checkbook |
| 2019 |
Children And Families, Department Of |
Xerox State & Local Solutions |
$2,534,671.63 |
Wisconsin State Checkbook |
| 2019 |
Children And Families, Department Of |
Xerox State & Local Solutions |
$2,534,671.63 |
Wisconsin State Checkbook |
| 2025 |
Natural Resources, Department Of |
Wex Bank |
$2,534,385.62 |
Wisconsin State Checkbook |
| 2025 |
Public Instruction, Department Of |
Cesa 7 |
$2,532,617.11 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Kruczek Construction Inc |
$2,529,799.71 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Ricoh Usa Inc. |
$2,529,506.08 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
Synercomm Inc |
$2,528,105.19 |
Wisconsin State Checkbook |
| 2024 |
Administration, Department Of |
Department Of Transportation |
$2,527,868.98 |
Wisconsin State Checkbook |
| 2025 |
Corrections, Department Of |
We Energies |
$2,526,603.28 |
Wisconsin State Checkbook |
| 2022 |
Health Services, Department Of |
Merck Sharp & Dohme Corp |
$2,526,529.54 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Grant County |
$2,525,871.99 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Board Of Regents Uw System |
$2,525,866.57 |
Wisconsin State Checkbook |
| 2023 |
Veterans Affairs, Department Of |
Mckesson Health Solutions |
$2,525,294.76 |
Wisconsin State Checkbook |
| 2025 |
Children And Families, Department Of |
Deloitte Consulting |
$2,524,902.00 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
City Of Kaukauna |
$2,524,077.32 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
American Transmission Co Llc |
$2,524,002.86 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Century Fence Co |
$2,523,380.19 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Univ Of Wi Hosp & Clinics |
$2,522,569.47 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Huron Consulting Service Llc |
$2,522,188.87 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
Wisconsin Cheesemakers Association |
$2,520,870.00 |
Wisconsin State Checkbook |
| 2017 |
Public Instruction, Department Of |
Wisconsin Retirement System |
$2,520,791.81 |
Wisconsin State Checkbook |
| 2017 |
Public Instruction, Department Of |
Wisconsin Retirement System |
$2,520,791.81 |
Wisconsin State Checkbook |
| 2023 |
Building Commission |
Selzer-Ornst Construction Company Llc |
$2,520,607.59 |
Wisconsin State Checkbook |
| 2024 |
Building Commission |
Greenfire Management Services Llc |
$2,520,560.14 |
Wisconsin State Checkbook |
| 2025 |
Administration, Department Of |
Wex Bank |
$2,520,535.30 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Union Pacific Railroad Co |
$2,519,959.24 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Jackson County |
$2,518,632.95 |
Wisconsin State Checkbook |
| 2024 |
Veterans Affairs, Department Of |
Us Bank Supplier For P-Card Payments |
$2,518,631.88 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
B & H Photo Video |
$2,518,625.80 |
Wisconsin State Checkbook |
| 2023 |
Administration, Department Of |
Centerpoint Energy |
$2,518,358.28 |
Wisconsin State Checkbook |
| 2019 |
State Fair Park Board |
State Fair Park Board |
$2,517,513.54 |
Wisconsin State Checkbook |
| 2019 |
State Fair Park Board |
State Fair Park Board |
$2,517,513.54 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Airgas Usa Llc |
$2,515,292.94 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Racine County |
$2,514,689.91 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Didion Milling Inc |
$2,512,831.00 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Elavon Inc |
$2,512,678.44 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
Elmstar Electric Corp |
$2,511,444.91 |
Wisconsin State Checkbook |
| 2024 |
Supreme Court |
Shi Intl Corp |
$2,510,045.86 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Interlake Maritime Services Inc |
$2,509,546.10 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Arbor Green Inc |
$2,509,191.65 |
Wisconsin State Checkbook |
| 2023 |
Building Commission |
Mrd Group Inc., The |
$2,507,817.46 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Redshelf Inc |
$2,507,619.28 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
***U.S. Bank |
$2,507,328.46 |
Wisconsin State Checkbook |
| 2022 |
Administration, Department Of |
Department Of Ag Trade & Consumer Protcn |
$2,506,847.21 |
Wisconsin State Checkbook |
| 2024 |
Health Services, Department Of |
Cerner Corporation |
$2,506,148.60 |
Wisconsin State Checkbook |
| 2024 |
Corrections, Department Of |
Waupun Utilities |
$2,504,316.86 |
Wisconsin State Checkbook |
| 2017 |
Justice, Department Of |
Us Bank Supplier For P-card Payments |
$2,504,017.01 |
Wisconsin State Checkbook |
| 2017 |
Justice, Department Of |
Us Bank Supplier For P-Card Payments |
$2,504,017.01 |
Wisconsin State Checkbook |
| 2024 |
Public Instruction, Department Of |
Cesa #2 |
$2,500,926.40 |
Wisconsin State Checkbook |
| 2021 |
Core Retirement Investment Trust |
Hartford Life And Accident |
$2,499,784.50 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Racine County |
$2,499,471.83 |
Wisconsin State Checkbook |
| 2024 |
Public Service Commission |
Boston Consulting Group Inc, The |
$2,499,403.87 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Jackson County |
$2,498,026.88 |
Wisconsin State Checkbook |
| 2025 |
Administration, Department Of |
Dell Financial Services Llc |
$2,496,828.95 |
Wisconsin State Checkbook |
| 2019 |
Building Commission |
J H Findorff & Sons Inc |
$2,496,157.02 |
Wisconsin State Checkbook |
| 2019 |
Building Commission |
J H Findorff & Sons Inc |
$2,496,157.02 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
La Crosse County Hwy Dept |
$2,495,961.94 |
Wisconsin State Checkbook |
| 2019 |
Health Services, Department Of |
Micropact Global, Inc. |
$2,495,913.49 |
Wisconsin State Checkbook |
| 2019 |
Health Services, Department Of |
Micropact Global, Inc. |
$2,495,913.49 |
Wisconsin State Checkbook |
| 2025 |
Administration, Department Of |
Centerpoint Energy |
$2,495,810.84 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Indiana University |
$2,494,470.49 |
Wisconsin State Checkbook |
| 2023 |
Building Commission |
Dirty Ducts Cleaning |
$2,493,224.84 |
Wisconsin State Checkbook |
| 2017 |
Administration, Department Of |
Cdw Government Inc |
$2,491,999.55 |
Wisconsin State Checkbook |
| 2017 |
Administration, Department Of |
Cdw Government Inc |
$2,491,999.55 |
Wisconsin State Checkbook |
| 2025 |
Administration, Department Of |
Spherion Staffing |
$2,491,987.53 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Pro Electric Inc |
$2,491,422.48 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Santa Reparata Intl School Of Art |
$2,490,062.30 |
Wisconsin State Checkbook |
| 2024 |
Children And Families, Department Of |
Xerox State & Local Solutions |
$2,488,548.43 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Milliman Inc |
$2,487,369.98 |
Wisconsin State Checkbook |
| 2017 |
Legislature |
Fed-oasdi Specialized Disb. Supplier |
$2,487,016.19 |
Wisconsin State Checkbook |
| 2017 |
Legislature |
Fed-Oasdi Specialized Disb. Supplier |
$2,487,016.19 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Bio Rad Laboratories Inc |
$2,486,790.81 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Proquest Llc |
$2,486,607.19 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Fed-Medicare Specialized Disb. Supplier |
$2,485,366.02 |
Wisconsin State Checkbook |
| 2022 |
Veterans Affairs, Department Of |
Fed-Oasdi Specialized Disb. Supplier |
$2,484,879.04 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Grant County |
$2,481,633.65 |
Wisconsin State Checkbook |
| 2024 |
Natural Resources, Department Of |
Wex Bank |
$2,480,026.10 |
Wisconsin State Checkbook |
| 2022 |
Employee Trust Funds, Department Of |
Hartford Life And Accident |
$2,479,748.00 |
Wisconsin State Checkbook |