| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2025 |
Transportation, Department Of |
Pitlik & Wick Inc |
$3,371,226.99 |
Wisconsin State Checkbook |
| 2020 |
Capital Improvement |
Johnson Controls Inc |
$3,367,853.40 |
Wisconsin State Checkbook |
| 2024 |
Public Instruction, Department Of |
Uw-Madison |
$3,365,909.14 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Core Bts Inc |
$3,365,904.92 |
Wisconsin State Checkbook |
| 2022 |
Investment Board |
Employee Trust Funds |
$3,365,829.89 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Pember Companies |
$3,362,613.89 |
Wisconsin State Checkbook |
| 2025 |
Military Affairs, Department Of |
Wisconsin Retirement System |
$3,362,510.68 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Big Ten Academic Alliance |
$3,361,426.51 |
Wisconsin State Checkbook |
| 2023 |
Health Services, Department Of |
Genesys Telecommunications Laboratories, |
$3,356,866.82 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
Alliant Energy/Wpl |
$3,356,787.66 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Chippewa County |
$3,354,987.21 |
Wisconsin State Checkbook |
| 2023 |
Administration, Department Of |
Wi Public Service Corp |
$3,351,613.66 |
Wisconsin State Checkbook |
| 2024 |
Children And Families, Department Of |
Maximus |
$3,351,471.45 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Wisconsin Public Service Corp |
$3,351,100.38 |
Wisconsin State Checkbook |
| 2025 |
Public Defender Board |
Fed-Oasdi Specialized Disb. Supplier |
$3,348,556.57 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Mccabe Construction Inc |
$3,348,479.78 |
Wisconsin State Checkbook |
| 2025 |
Public Instruction, Department Of |
Department Of Administration |
$3,342,686.42 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Tapco |
$3,342,396.14 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Vanguard Computers Inc |
$3,339,038.69 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Portage County |
$3,339,032.99 |
Wisconsin State Checkbook |
| 2021 |
Wisconsin State Checkbook |
Apple Computer Inc |
$3,338,619.78 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Radtke Contractors Inc |
$3,337,538.16 |
Wisconsin State Checkbook |
| 2021 |
Capital Improvement |
Speedway Sand & Gravel Inc |
$3,335,844.33 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Shi Intl Corp |
$3,333,954.73 |
Wisconsin State Checkbook |
| 2024 |
Public Instruction, Department Of |
Wisconsin Retirement System |
$3,333,867.86 |
Wisconsin State Checkbook |
| 2024 |
Administration, Department Of |
Epiq Ediscovery Solutions |
$3,333,487.53 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Alere North America, Inc |
$3,332,434.14 |
Wisconsin State Checkbook |
| 2025 |
Revenue, Department Of |
Unisys Corp |
$3,329,540.25 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Quest Civil Engineers Llc |
$3,329,410.11 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Detroit Salt Company Llc |
$3,326,573.85 |
Wisconsin State Checkbook |
| 2023 |
Corrections, Department Of |
Pointon Communications |
$3,325,611.30 |
Wisconsin State Checkbook |
| 2016 |
Transportation, Department Of |
Emcs Inc |
$3,324,779.00 |
Wisconsin State Checkbook |
| 2017 |
Building Commission |
Eppstein Uhen Architects Inc |
$3,323,102.49 |
Wisconsin State Checkbook |
| 2017 |
Building Commission |
Eppstein Uhen Architects Inc |
$3,323,102.49 |
Wisconsin State Checkbook |
| 2020 |
Capital Improvement |
Absolute Construction |
$3,320,611.10 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
State Of Minnesota |
$3,317,963.05 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Iowa County |
$3,317,556.86 |
Wisconsin State Checkbook |
| 2017 |
Health Services, Department Of |
Liberty Healthcare Corporation |
$3,314,755.84 |
Wisconsin State Checkbook |
| 2017 |
Health Services, Department Of |
Liberty Healthcare Corporation |
$3,314,755.84 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
Shine United Llc |
$3,312,391.82 |
Wisconsin State Checkbook |
| 2023 |
Health Services, Department Of |
W W Grainger Inc |
$3,309,735.34 |
Wisconsin State Checkbook |
| 2023 |
Building Commission |
Mathy Construction Co |
$3,307,509.87 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Eau Claire County |
$3,306,219.18 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Trempealeau County |
$3,305,093.67 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Walworth County |
$3,304,355.10 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Janke General Contractors Inc |
$3,304,158.13 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
Hernandez Roofing Llc |
$3,299,227.32 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
Kraemer Company Llc, The |
$3,298,899.18 |
Wisconsin State Checkbook |
| 2017 |
Children And Families, Department Of |
University Of Wisconsin System |
$3,294,714.14 |
Wisconsin State Checkbook |
| 2017 |
Children And Families, Department Of |
University Of Wisconsin System |
$3,294,714.14 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Alfred Benesch & Company |
$3,294,071.89 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
Ring & Duchateau Llp |
$3,291,233.32 |
Wisconsin State Checkbook |
| 2024 |
Transportation, Department Of |
Gremmer & Assoc Inc |
$3,290,708.75 |
Wisconsin State Checkbook |
| 2025 |
Veterans Affairs, Department Of |
Mckesson Health Solutions |
$3,290,253.37 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Sigma Aldrich Inc |
$3,289,815.14 |
Wisconsin State Checkbook |
| 2024 |
University Of Wisconsin System |
B&H Photo - Video Inc |
$3,288,305.84 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Us Bank Supplier For P-Card Payments |
$3,284,636.80 |
Wisconsin State Checkbook |
| 2024 |
Building Commission |
Hernandez Roofing Llc |
$3,284,481.05 |
Wisconsin State Checkbook |
| 2024 |
Public Defender Board |
Fed-Oasdi Specialized Disb. Supplier |
$3,284,235.83 |
Wisconsin State Checkbook |
| 2025 |
Building Commission |
J H Hassinger Inc |
$3,283,454.04 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Sheet Piling Services Llc |
$3,277,404.05 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Grant County |
$3,276,099.04 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
Big Ten Academic Alliance |
$3,275,232.99 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Calumet County |
$3,270,955.75 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Department Of Corrections |
$3,270,330.87 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Cbs Squared Inc |
$3,266,609.31 |
Wisconsin State Checkbook |
| 2023 |
Children And Families, Department Of |
Deloitte Consulting |
$3,266,551.34 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
Ssc Service Solutions |
$3,264,627.88 |
Wisconsin State Checkbook |
| 2024 |
Health Services, Department Of |
Merck Sharp & Dohme Corp |
$3,264,535.75 |
Wisconsin State Checkbook |
| 2019 |
Transportation, Department Of |
Omnni Engineers Arch |
$3,262,349.73 |
Wisconsin State Checkbook |
| 2023 |
Insurance, Office Of The Commissioner Of |
Sun Microsystem Inc |
$3,260,181.79 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Wisconsin Power & Light Co |
$3,259,986.63 |
Wisconsin State Checkbook |
| 2023 |
University Of Wisconsin System |
University Of Minnesota |
$3,259,482.13 |
Wisconsin State Checkbook |
| 2022 |
University Of Wisconsin System |
Academic Partnerships Llc |
$3,258,611.13 |
Wisconsin State Checkbook |
| 2020 |
Transportation |
R A Smith National Inc |
$3,258,601.78 |
Wisconsin State Checkbook |
| 2024 |
Administration, Department Of |
United Mailing Services Inc |
$3,258,532.08 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Fidelity Information Srvs |
$3,255,243.54 |
Wisconsin State Checkbook |
| 2020 |
General Fund |
Univ Of Wi Hosp & Clinics |
$3,252,982.91 |
Wisconsin State Checkbook |
| 2019 |
Health Services, Department Of |
Fed-Medicare Specialized Disb. Supplier |
$3,252,515.32 |
Wisconsin State Checkbook |
| 2019 |
Health Services, Department Of |
Fed-Medicare Specialized Disb. Supplier |
$3,252,515.32 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Board Of Regents Uw System |
$3,249,672.70 |
Wisconsin State Checkbook |
| 2020 |
General Fund-Uw |
Apple Computer Inc |
$3,245,724.22 |
Wisconsin State Checkbook |
| 2023 |
Health Services, Department Of |
Palantir.Net Inc |
$3,244,123.45 |
Wisconsin State Checkbook |
| 2021 |
Transportation |
Chippewa County |
$3,239,484.53 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Walworth County |
$3,239,190.95 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
Dis-Danish Institute For Study Abroad |
$3,238,320.00 |
Wisconsin State Checkbook |
| 2021 |
General Fund |
Cesa #9 |
$3,236,009.96 |
Wisconsin State Checkbook |
| 2023 |
Administration, Department Of |
At&T |
$3,234,888.09 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
43 Modernization Partners Llc |
$3,234,014.83 |
Wisconsin State Checkbook |
| 2023 |
Transportation, Department Of |
Pitlik & Wick Inc |
$3,233,669.28 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Dorner Inc |
$3,231,612.48 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
B&H Photo - Video Inc |
$3,231,392.65 |
Wisconsin State Checkbook |
| 2025 |
Transportation, Department Of |
Wex Bank |
$3,230,356.18 |
Wisconsin State Checkbook |
| 2022 |
Transportation, Department Of |
Portage County |
$3,229,724.41 |
Wisconsin State Checkbook |
| 2025 |
Veterans Affairs, Department Of |
Wisconsin Retirement System |
$3,228,939.86 |
Wisconsin State Checkbook |
| 2025 |
University Of Wisconsin System |
The Bank Of New York Mellon |
$3,228,066.00 |
Wisconsin State Checkbook |
| 2020 |
Conservation |
Motorola Solutions Inc |
$3,225,265.02 |
Wisconsin State Checkbook |
| 2022 |
Health Services, Department Of |
Indianhead Food Sv Distributor |
$3,225,041.70 |
Wisconsin State Checkbook |
| 2021 |
Capital Improvement |
Epic Construction Inc |
$3,224,334.79 |
Wisconsin State Checkbook |
| 2016 |
University Of Wisconsin System |
Hewlett-Packard Fin Ser Co |
$3,222,008.04 |
Wisconsin State Checkbook |