| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2024 |
Bureau Of Human Resources |
Delta Dental Plan Of Sd |
$10,247,984.02 |
South Dakota State Checkbook |
| 2025 |
Transportation |
Midwest Contracting Llc |
$10,229,849.58 |
South Dakota State Checkbook |
| 2023 |
Transportation |
Rapid City -- City Of |
$10,228,411.74 |
South Dakota State Checkbook |
| 2024 |
Revenue |
Huron - City Of |
$10,166,783.43 |
South Dakota State Checkbook |
| 2016 |
Agriculture |
Sd Soybean Council |
$10,125,000.00 |
South Dakota State Checkbook |
| 2025 |
Agriculture & Nat. Resources |
Lewis & Clark Rural Water Syst |
$10,111,447.82 |
South Dakota State Checkbook |
| 2023 |
Revenue |
Huron - City Of |
$10,099,085.18 |
South Dakota State Checkbook |
| 2022 |
Transportation |
Asphalt Paving & Materials Co |
$10,083,945.67 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Finance Management |
Henry Carlson Construction Llc |
$10,039,401.00 |
South Dakota State Checkbook |
| 2016 |
Bureau Of Finance Management |
Rapid City-City Of |
$10,035,393.37 |
South Dakota State Checkbook |
| 2023 |
Tourism |
K&H Llc |
$10,004,182.77 |
South Dakota State Checkbook |
| 2020 |
Bureau Of Finance & Management |
Fiegen Construction Co |
$9,963,318.76 |
South Dakota State Checkbook |
| 2023 |
Bureau Of Human Resources |
Delta Dental Plan Of Sd |
$9,949,733.85 |
South Dakota State Checkbook |
| 2021 |
Bureau Of Finance & Management |
Guidehouse Holding Corporation |
$9,937,707.40 |
South Dakota State Checkbook |
| 2017 |
Revenue |
Aberdeen-city Of |
$9,931,416.58 |
South Dakota State Checkbook |
| 2018 |
Revenue |
Deadwood City Of |
$9,928,982.99 |
South Dakota State Checkbook |
| 2025 |
Transportation |
Asphalt Paving & Materials Co |
$9,892,433.17 |
South Dakota State Checkbook |
| 2022 |
Education |
Belle Fourche School Dist 9-1 |
$9,882,349.58 |
South Dakota State Checkbook |
| 2022 |
Revenue |
Huron - City Of |
$9,838,236.70 |
South Dakota State Checkbook |
| 2024 |
Education |
Vermillion School Dist 13-1 |
$9,806,629.56 |
South Dakota State Checkbook |
| 2017 |
Revenue |
City Of Aberdeen |
$9,798,497.16 |
South Dakota State Checkbook |
| 2021 |
Transportation |
Oftedal Construction Inc |
$9,751,177.52 |
South Dakota State Checkbook |
| 2016 |
Revenue |
Yankton-City Of |
$9,710,047.22 |
South Dakota State Checkbook |
| 2016 |
Bureau Of Administration |
Pierre School District 32-2 |
$9,693,991.94 |
South Dakota State Checkbook |
| 2018 |
Bureau Of Administration |
Tea Area School Dist 41-5 |
$9,666,073.68 |
South Dakota State Checkbook |
| 2023 |
Education |
Belle Fourche School Dist 9-1 |
$9,656,248.68 |
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 |
| 2021 |
Revenue |
City Of Pierre |
$9,586,791.90 |
South Dakota State Checkbook |
| 2016 |
Bureau Of Finance Management |
Bowes Construction Inc |
$9,546,913.76 |
South Dakota State Checkbook |
| 2025 |
Education |
Mitchell Technical College |
$9,500,881.63 |
South Dakota State Checkbook |
| 2022 |
Transportation |
Oftedal Construction Inc |
$9,495,862.30 |
South Dakota State Checkbook |
| 2021 |
Education |
Belle Fourche School Dist 9-1 |
$9,469,983.47 |
South Dakota State Checkbook |
| 2025 |
Transportation |
Asphalt Surface Technologies |
$9,426,214.84 |
South Dakota State Checkbook |
| 2016 |
Bureau Of Finance Management |
Duininck Inc |
$9,405,596.08 |
South Dakota State Checkbook |
| 2023 |
Transportation |
Bowes Construction Inc |
$9,379,185.80 |
South Dakota State Checkbook |
| 2017 |
Bureau Of Administration |
Tea Area School Dist 41-5 |
$9,341,367.21 |
South Dakota State Checkbook |
| 2022 |
Transportation |
R And G Construction Co |
$9,334,225.41 |
South Dakota State Checkbook |
| 2022 |
Transportation |
Asphalt Surface Technologies |
$9,320,419.96 |
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 |
| 2018 |
Bureau Of Finance Management |
Riley Bros Construction Inc |
$9,272,709.87 |
South Dakota State Checkbook |
| 2016 |
Bureau Of Finance Management |
Jensen Rock & Sand Inc |
$9,260,717.37 |
South Dakota State Checkbook |
| 2021 |
State Auditor |
Discovery Benefits Inc |
$9,241,626.56 |
South Dakota State Checkbook |
| 2016 |
Bureau Of Administration |
Yankton School District 63-3 |
$9,234,227.17 |
South Dakota State Checkbook |
| 2023 |
Transportation |
Morris Inc |
$9,192,249.15 |
South Dakota State Checkbook |
| 2017 |
Bureau Of Finance Management |
Bx Civil & Construction |
$9,182,809.69 |
South Dakota State Checkbook |
| 2025 |
Corrections |
Aramark Services Inc |
$9,158,052.98 |
South Dakota State Checkbook |
| 2023 |
Education |
Vermillion School Dist 13-1 |
$9,146,380.19 |
South Dakota State Checkbook |
| 2016 |
Revenue |
Minnehaha County Treasurer |
$9,136,640.64 |
South Dakota State Checkbook |
| 2025 |
Education |
Belle Fourche School Dist 9-1 |
$9,130,430.22 |
South Dakota State Checkbook |
| 2020 |
Revenue |
Spearfish-City Of |
$9,125,326.68 |
South Dakota State Checkbook |
| 2022 |
Education |
Southeast Technical Institute |
$9,105,751.65 |
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 |
| 2022 |
Bureau Of Finance & Management |
Journey Group Companies |
$8,882,133.95 |
South Dakota State Checkbook |
| 2024 |
Transportation |
Jensen Rock & Sand Inc |
$8,870,374.41 |
South Dakota State Checkbook |
| 2016 |
Revenue |
Spearfish-City Of |
$8,860,047.14 |
South Dakota State Checkbook |
| 2021 |
Education |
Southeast Technical Institute |
$8,859,367.79 |
South Dakota State Checkbook |
| 2022 |
Education |
West Central School Dist 49-7 |
$8,844,336.87 |
South Dakota State Checkbook |
| 2025 |
Education |
Vermillion School Dist 13-1 |
$8,841,966.36 |
South Dakota State Checkbook |
| 2025 |
Social Services |
My3tech Inc |
$8,785,608.91 |
South Dakota State Checkbook |
| 2016 |
Bureau Of Finance Management |
Oftedal Construction Inc |
$8,753,517.74 |
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 |
| 2016 |
Revenue |
City Of Pierre |
$8,658,289.24 |
South Dakota State Checkbook |
| 2018 |
Revenue |
City Of Pierre |
$8,628,430.70 |
South Dakota State Checkbook |
| 2023 |
Education |
Dupree School District 64-2 |
$8,622,749.62 |
South Dakota State Checkbook |
| 2018 |
Bureau Of Finance Management |
Anderson Contractors Inc |
$8,605,443.40 |
South Dakota State Checkbook |
| 2023 |
Public Safety |
Avera Mckennan |
$8,598,497.05 |
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 |
| 2021 |
Transportation |
Knife River Corp-North Central |
$8,555,616.02 |
South Dakota State Checkbook |
| 2025 |
Transportation |
Pci Roads Llc |
$8,545,466.67 |
South Dakota State Checkbook |
| 2023 |
Transportation |
Knife River Midwest Llc |
$8,544,047.24 |
South Dakota State Checkbook |
| 2025 |
Transportation |
Jensen Construction Co |
$8,509,768.76 |
South Dakota State Checkbook |
| 2023 |
Bureau Of Information & Tele. |
Motorola Solutions Inc |
$8,461,109.71 |
South Dakota State Checkbook |
| 2022 |
Social Services |
Redmane Technology Llc |
$8,460,186.14 |
South Dakota State Checkbook |
| 2023 |
Transportation |
J&J Earth Works Inc |
$8,455,620.78 |
South Dakota State Checkbook |
| 2016 |
Bureau Of Administration |
Southeast Technical Institute |
$8,448,405.37 |
South Dakota State Checkbook |
| 2024 |
Education |
Sisseton School District 54-2 |
$8,445,903.49 |
South Dakota State Checkbook |
| 2023 |
Education |
Wagner Community School 11-4 |
$8,443,646.49 |
South Dakota State Checkbook |
| 2021 |
Bureau Of Human Resources |
Delta Dental Plan Of Sd |
$8,442,751.28 |
South Dakota State Checkbook |
| 2018 |
Bureau Of Administration |
Watertown School District |
$8,441,338.42 |
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 |
| 2019 |
Bureau Of Administration |
Mitchell Technical Institute |
$8,391,147.04 |
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 |
Transportation |
T & R Contracting Inc |
$8,285,376.91 |
South Dakota State Checkbook |
| 2020 |
Bureau Of Human Resources |
Delta Dental Plan Of Sd |
$8,274,861.92 |
South Dakota State Checkbook |
| 2021 |
Tourism |
Mmgy Global Llc |
$8,268,360.77 |
South Dakota State Checkbook |
| 2016 |
Bureau Of Finance Management |
Morris Inc |
$8,264,082.59 |
South Dakota State Checkbook |
| 2020 |
Transportation |
Simon Contractors Of Sd Inc |
$8,254,608.40 |
South Dakota State Checkbook |
| 2022 |
Transportation |
Jensen Construction Co |
$8,249,154.43 |
South Dakota State Checkbook |