| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2021 |
South Dakota State Checkbook |
Black Hills Special Services |
$9,656,397.84 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Administration |
West Central School Dist 49-7 |
$9,647,425.91 |
South Dakota State Checkbook |
| 2024 |
Education |
Belle Fourche School Dist 9-1 |
$9,601,666.51 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
Southeast Technical Institute |
$9,598,195.33 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
Oftedal Construction Inc |
$9,495,862.30 |
South Dakota State Checkbook |
| 2025 |
|
Asphalt Surface Technologies |
$9,426,214.84 |
South Dakota State Checkbook |
| 2021 |
South Dakota State Checkbook |
Discovery Benefits Inc |
$9,388,704.97 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Bowes Construction Inc |
$9,380,382.01 |
South Dakota State Checkbook |
| 2021 |
South Dakota State Checkbook |
Elior Inc |
$9,357,527.30 |
South Dakota State Checkbook |
| 2025 |
|
Belle Fourche School Dist 9-1 |
$9,345,273.43 |
South Dakota State Checkbook |
| 2017 |
Bureau Of Administration |
Tea Area School Dist 41-5 |
$9,341,367.21 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
R And G Construction Co |
$9,334,225.41 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
Asphalt Surface Technologies |
$9,320,419.96 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Vermillion School Dist 13-1 |
$9,309,126.39 |
South Dakota State Checkbook |
| 2017 |
Revenue |
City Of Pierre |
$9,305,252.15 |
South Dakota State Checkbook |
| 2018 |
Bureau Of Administration |
Spearfish School District 40-2 |
$9,290,219.19 |
South Dakota State Checkbook |
| 2025 |
|
North Sioux City--City Of |
$9,277,789.49 |
South Dakota State Checkbook |
| 2018 |
Bureau Of Finance Management |
Riley Bros Construction Inc |
$9,272,709.87 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Lamb Motor Co Inc |
$9,237,723.90 |
South Dakota State Checkbook |
| 2021 |
South Dakota State Checkbook |
Southeast Technical Institute |
$9,182,823.26 |
South Dakota State Checkbook |
| 2017 |
Bureau Of Finance Management |
Bx Civil & Construction |
$9,182,809.69 |
South Dakota State Checkbook |
| 2025 |
|
Aramark Services Inc |
$9,161,052.98 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
West Central School Dist 49-7 |
$9,144,469.54 |
South Dakota State Checkbook |
| 2020 |
Revenue |
Spearfish-City Of |
$9,125,326.68 |
South Dakota State Checkbook |
| 2025 |
|
Vermillion School Dist 13-1 |
$9,066,464.65 |
South Dakota State Checkbook |
| 2017 |
Revenue |
Spearfish-city Of |
$9,036,951.27 |
South Dakota State Checkbook |
| 2020 |
Transportation |
Henry Carlson Construction Llc |
$9,028,538.00 |
South Dakota State Checkbook |
| 2020 |
Education |
Spearfish School District 40-2 |
$9,001,474.12 |
South Dakota State Checkbook |
| 2024 |
Agriculture & Nat. Resources |
City Of Hartford |
$8,980,784.00 |
South Dakota State Checkbook |
| 2021 |
South Dakota State Checkbook |
Journey Group Companies |
$8,973,377.87 |
South Dakota State Checkbook |
| 2021 |
South Dakota State Checkbook |
Huron - City Of |
$8,930,623.00 |
South Dakota State Checkbook |
| 2025 |
|
Dell Marketing Lp |
$8,874,839.41 |
South Dakota State Checkbook |
| 2024 |
Transportation |
Jensen Rock & Sand Inc |
$8,870,374.41 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Motorola Solutions Inc |
$8,857,545.97 |
South Dakota State Checkbook |
| 2018 |
Bureau Of Administration |
Belle Fourche School Dist 9-1 |
$8,741,463.77 |
South Dakota State Checkbook |
| 2018 |
Revenue |
Spearfish-City Of |
$8,699,279.00 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Finance Management |
Pci Roads Llc |
$8,699,019.97 |
South Dakota State Checkbook |
| 2018 |
Bureau Of Finance Management |
Anderson Western Inc |
$8,669,416.89 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Dupree School District 64-2 |
$8,660,642.20 |
South Dakota State Checkbook |
| 2025 |
|
City Of Harrisburg |
$8,652,298.88 |
South Dakota State Checkbook |
| 2018 |
Revenue |
City Of Pierre |
$8,628,430.70 |
South Dakota State Checkbook |
| 2018 |
Bureau Of Finance Management |
Anderson Contractors Inc |
$8,605,443.40 |
South Dakota State Checkbook |
| 2018 |
Bureau Of Finance Management |
Reede Construction Inc |
$8,581,088.29 |
South Dakota State Checkbook |
| 2020 |
Revenue |
City Of Pierre |
$8,579,385.60 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Wagner Community School 11-4 |
$8,569,768.49 |
South Dakota State Checkbook |
| 2021 |
South Dakota State Checkbook |
Knife River Corp-North Central |
$8,555,616.02 |
South Dakota State Checkbook |
| 2025 |
|
Pci Roads Llc |
$8,545,466.67 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Knife River Midwest Llc |
$8,544,047.24 |
South Dakota State Checkbook |
| 2025 |
|
Jensen Construction Co |
$8,509,768.76 |
South Dakota State Checkbook |
| 2021 |
South Dakota State Checkbook |
Runge Enterprises Inc |
$8,470,524.31 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
Redmane Technology Llc |
$8,460,186.14 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
J&J Earth Works Inc |
$8,455,620.78 |
South Dakota State Checkbook |
| 2024 |
Education |
Sisseton School District 54-2 |
$8,445,903.49 |
South Dakota State Checkbook |
| 2018 |
Bureau Of Administration |
Watertown School District |
$8,441,338.42 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
Lawrence & Schiller Inc |
$8,434,591.62 |
South Dakota State Checkbook |
| 2024 |
Transportation |
City Of Aberdeen |
$8,429,823.62 |
South Dakota State Checkbook |
| 2024 |
Social Services |
My3tech Inc |
$8,399,946.63 |
South Dakota State Checkbook |
| 2021 |
South Dakota State Checkbook |
West Central School Dist 49-7 |
$8,391,273.57 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Administration |
Mitchell Technical Institute |
$8,391,147.04 |
South Dakota State Checkbook |
| 2025 |
|
Lamb Motor Co Inc |
$8,358,872.38 |
South Dakota State Checkbook |
| 2018 |
Bureau Of Finance Management |
Duininck Inc |
$8,349,881.97 |
South Dakota State Checkbook |
| 2020 |
Transportation |
Asphalt Paving & Materials Co |
$8,346,271.44 |
South Dakota State Checkbook |
| 2020 |
Transportation |
Central Specialties Inc |
$8,341,453.48 |
South Dakota State Checkbook |
| 2021 |
South Dakota State Checkbook |
T & R Contracting Inc |
$8,285,376.91 |
South Dakota State Checkbook |
| 2025 |
|
Childrens Care Hosp & School |
$8,280,846.25 |
South Dakota State Checkbook |
| 2020 |
Bureau Of Human Resources |
Delta Dental Plan Of Sd |
$8,274,861.92 |
South Dakota State Checkbook |
| 2021 |
South Dakota State Checkbook |
Mmgy Global Llc |
$8,268,360.77 |
South Dakota State Checkbook |
| 2020 |
Transportation |
Simon Contractors Of Sd Inc |
$8,254,608.40 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
Jensen Construction Co |
$8,249,154.43 |
South Dakota State Checkbook |
| 2025 |
|
Brookings City Of |
$8,221,018.39 |
South Dakota State Checkbook |
| 2021 |
South Dakota State Checkbook |
Crowned Ridge Wind Llc |
$8,211,970.00 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
West Central School Dist 49-7 |
$8,211,360.34 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
Heavy Constructors Inc |
$8,193,536.16 |
South Dakota State Checkbook |
| 2025 |
|
West Central School Dist 49-7 |
$8,193,467.66 |
South Dakota State Checkbook |
| 2024 |
Education |
West Central School Dist 49-7 |
$8,177,030.02 |
South Dakota State Checkbook |
| 2018 |
Bureau Of Human Resources |
Delta Dental Plan Of Sd |
$8,175,386.58 |
South Dakota State Checkbook |
| 2017 |
Bureau Of Finance Management |
Simon Contractors Of Sd Inc |
$8,135,084.29 |
South Dakota State Checkbook |
| 2017 |
Bureau Of Finance Management |
Asphalt Paving & Materials Co |
$8,133,579.39 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
Duininck Inc |
$8,131,297.99 |
South Dakota State Checkbook |
| 2020 |
Education |
Southeast Technical Institute |
$8,123,894.31 |
South Dakota State Checkbook |
| 2025 |
|
Western Dakota Technical Colle |
$8,118,238.02 |
South Dakota State Checkbook |
| 2017 |
Revenue |
Huron - City Of |
$8,116,673.35 |
South Dakota State Checkbook |
| 2024 |
Transportation |
Journey Group Companies |
$8,114,025.18 |
South Dakota State Checkbook |
| 2017 |
Bureau Of Administration |
Watertown School District |
$8,106,232.98 |
South Dakota State Checkbook |
| 2019 |
Revenue |
Oglala Sioux Tribe |
$8,103,601.25 |
South Dakota State Checkbook |
| 2025 |
|
Lewis & Clark Behvrl Hlth Svcs |
$8,098,275.49 |
South Dakota State Checkbook |
| 2020 |
Education |
Belle Fourche School Dist 9-1 |
$8,096,540.32 |
South Dakota State Checkbook |
| 2025 |
|
Eagle Butte School District |
$8,054,032.69 |
South Dakota State Checkbook |
| 2025 |
|
Sturgis City Of |
$8,044,391.41 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Mitchell Technical College |
$8,012,598.91 |
South Dakota State Checkbook |
| 2025 |
|
City Of Brandon |
$8,007,066.84 |
South Dakota State Checkbook |
| 2020 |
Transportation |
Jensen Rock & Sand Inc |
$8,003,177.32 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
Santel Communications |
$7,983,449.21 |
South Dakota State Checkbook |
| 2024 |
Corrections |
Aramark Services Inc |
$7,929,536.85 |
South Dakota State Checkbook |
| 2024 |
Education |
Chamberlain School Dist 7-1 |
$7,922,435.03 |
South Dakota State Checkbook |
| 2024 |
Transportation |
Hamm Contracting Llc |
$7,913,605.12 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Administration |
Vermillion School Dist 13-1 |
$7,892,476.81 |
South Dakota State Checkbook |
| 2017 |
Bureau Of Administration |
Spearfish School District 40-2 |
$7,889,913.04 |
South Dakota State Checkbook |
| 2018 |
State Auditor |
Discovery Benefits Inc |
$7,889,438.23 |
South Dakota State Checkbook |
| 2021 |
South Dakota State Checkbook |
City Of Vermillion |
$7,879,552.00 |
South Dakota State Checkbook |