| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2018 |
Bureau Of Finance Management |
Bituminous Paving Inc |
$12,522,774.82 |
South Dakota State Checkbook |
| 2018 |
Revenue |
Mitchell-City Of |
$12,486,353.12 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Administration |
Watertown School District |
$12,467,772.24 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Bx Civil & Construction |
$12,462,687.93 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Human Resources |
Delta Dental Plan Of Sd |
$12,420,026.95 |
South Dakota State Checkbook |
| 2017 |
Bureau Of Administration |
Mitchell School District 17-2 |
$12,418,073.43 |
South Dakota State Checkbook |
| 2018 |
Agriculture |
Sd Soybean Council |
$12,371,942.00 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Morris Inc |
$12,339,341.74 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
Knife River Midwest Llc |
$12,295,440.94 |
South Dakota State Checkbook |
| 2024 |
Education |
Bennett County School Dist 3-1 |
$12,291,135.86 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Huron - City Of |
$12,251,947.94 |
South Dakota State Checkbook |
| 2024 |
State Auditor |
Wex Health Inc |
$12,174,895.05 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Administration |
Southeast Technical Institute |
$12,159,280.50 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Finance Management |
Knife River Midwest Llc |
$12,150,148.71 |
South Dakota State Checkbook |
| 2025 |
|
Bowes Construction Inc |
$12,110,829.61 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Southeast Technical Institute |
$12,059,670.52 |
South Dakota State Checkbook |
| 2020 |
Revenue |
Mitchell-City Of |
$11,862,694.10 |
South Dakota State Checkbook |
| 2025 |
|
Lennox City Of |
$11,860,580.88 |
South Dakota State Checkbook |
| 2017 |
Agriculture |
Sd Soybean Council |
$11,850,000.00 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
Spearfish School District 40-2 |
$11,816,720.69 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Eagle Butte School District |
$11,756,624.70 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Wex Health Inc |
$11,736,596.02 |
South Dakota State Checkbook |
| 2020 |
Transportation |
Runge Enterprises Inc |
$11,730,802.13 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Jensen Construction Co |
$11,719,749.63 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Mclaughlin School Dist 15-2 |
$11,709,238.64 |
South Dakota State Checkbook |
| 2017 |
Bureau Of Administration |
Pierre School District 32-2 |
$11,659,148.45 |
South Dakota State Checkbook |
| 2017 |
Bureau Of Administration |
Yankton School District 63-3 |
$11,647,387.37 |
South Dakota State Checkbook |
| 2021 |
South Dakota State Checkbook |
Spearfish School District 40-2 |
$11,594,588.51 |
South Dakota State Checkbook |
| 2021 |
South Dakota State Checkbook |
Redmane Technology Llc |
$11,561,198.90 |
South Dakota State Checkbook |
| 2021 |
South Dakota State Checkbook |
Simon Contractors Of Sd Inc |
$11,525,527.23 |
South Dakota State Checkbook |
| 2018 |
Bureau Of Finance Management |
Commercial Asphalt & Materials |
$11,498,288.60 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
Black Hills Special Services |
$11,489,451.29 |
South Dakota State Checkbook |
| 2024 |
Revenue |
City Of Pierre |
$11,478,728.09 |
South Dakota State Checkbook |
| 2021 |
South Dakota State Checkbook |
Watertown School District |
$11,475,401.09 |
South Dakota State Checkbook |
| 2024 |
Public Safety |
Monument Health |
$11,456,595.19 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
Wex Health Inc |
$11,439,792.88 |
South Dakota State Checkbook |
| 2018 |
Bureau Of Administration |
Meade School District 46-1 |
$11,432,546.37 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
John Riley Construction Inc |
$11,346,693.67 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
Huron - City Of |
$11,337,221.29 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Administration |
Belle Fourche School Dist 9-1 |
$11,302,969.57 |
South Dakota State Checkbook |
| 2019 |
Revenue |
Huron - City Of |
$11,262,285.22 |
South Dakota State Checkbook |
| 2025 |
|
Interstate Office Products Inc |
$11,239,594.92 |
South Dakota State Checkbook |
| 2025 |
|
Spearfish School District 40-2 |
$11,124,113.07 |
South Dakota State Checkbook |
| 2020 |
Transportation |
Knife River Midwest Llc |
$11,122,736.64 |
South Dakota State Checkbook |
| 2020 |
Education |
Tea Area School Dist 41-5 |
$11,113,569.16 |
South Dakota State Checkbook |
| 2020 |
Military |
Rcs Construction Inc |
$11,054,069.48 |
South Dakota State Checkbook |
| 2019 |
Agriculture |
Sd Soybean Council |
$10,960,000.00 |
South Dakota State Checkbook |
| 2025 |
|
City Of Vermillion |
$10,930,938.39 |
South Dakota State Checkbook |
| 2020 |
Transportation |
Loiseau Construction Inc |
$10,866,421.74 |
South Dakota State Checkbook |
| 2020 |
Education |
Watertown School District |
$10,827,923.11 |
South Dakota State Checkbook |
| 2025 |
|
Complete Concrete Inc |
$10,817,800.83 |
South Dakota State Checkbook |
| 2017 |
Bureau Of Administration |
Meade School District 46-1 |
$10,805,054.89 |
South Dakota State Checkbook |
| 2024 |
Education |
Eagle Butte School District |
$10,769,169.45 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
Grangaard Construction Inc |
$10,750,480.08 |
South Dakota State Checkbook |
| 2017 |
Bureau Of Finance Management |
Anderson Western Inc |
$10,698,972.40 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Finance Management |
Hamm Contracting Llc |
$10,690,677.03 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
T & R Contracting Inc |
$10,636,561.78 |
South Dakota State Checkbook |
| 2025 |
|
Sioux Falls Regional Airport |
$10,620,149.47 |
South Dakota State Checkbook |
| 2018 |
Bureau Of Finance Management |
Asphalt Paving & Materials Co |
$10,611,108.46 |
South Dakota State Checkbook |
| 2021 |
South Dakota State Checkbook |
Bx Civil & Construction |
$10,579,735.68 |
South Dakota State Checkbook |
| 2024 |
Transportation |
Midwest Contracting Llc |
$10,529,014.63 |
South Dakota State Checkbook |
| 2017 |
Revenue |
Yankton-city Of |
$10,527,975.35 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
Wagner Community School 11-4 |
$10,520,023.90 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Jensen Rock & Sand Inc |
$10,476,948.79 |
South Dakota State Checkbook |
| 2017 |
Revenue |
Deadwood City Of |
$10,437,382.20 |
South Dakota State Checkbook |
| 2020 |
Revenue |
Yankton-City Of |
$10,429,710.03 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Asphalt Paving & Materials Co |
$10,422,183.60 |
South Dakota State Checkbook |
| 2021 |
South Dakota State Checkbook |
Rapid City-City Of |
$10,372,784.59 |
South Dakota State Checkbook |
| 2025 |
|
Perrett Construction Ltd |
$10,358,163.87 |
South Dakota State Checkbook |
| 2024 |
Education |
Spearfish School District 40-2 |
$10,358,141.97 |
South Dakota State Checkbook |
| 2024 |
Transportation |
Zandstra Construction Inc |
$10,356,527.93 |
South Dakota State Checkbook |
| 2018 |
Revenue |
Yankton-City Of |
$10,286,192.06 |
South Dakota State Checkbook |
| 2024 |
Bureau Of Human Resources |
Delta Dental Plan Of Sd |
$10,247,984.02 |
South Dakota State Checkbook |
| 2025 |
|
Midwest Contracting Llc |
$10,229,849.58 |
South Dakota State Checkbook |
| 2025 |
|
Oglala Sioux Tribe |
$10,180,821.83 |
South Dakota State Checkbook |
| 2024 |
Revenue |
Huron - City Of |
$10,166,783.43 |
South Dakota State Checkbook |
| 2025 |
|
Lewis & Clark Rural Water Syst |
$10,111,447.82 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
Asphalt Paving & Materials Co |
$10,107,665.00 |
South Dakota State Checkbook |
| 2025 |
|
Minnehaha County Auditor |
$10,052,427.19 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
Belle Fourche School Dist 9-1 |
$10,044,211.98 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Finance Management |
Henry Carlson Construction Llc |
$10,039,401.00 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
K&H Llc |
$10,004,182.77 |
South Dakota State Checkbook |
| 2021 |
South Dakota State Checkbook |
Guidehouse Holding Corporation |
$9,977,707.40 |
South Dakota State Checkbook |
| 2025 |
|
My3tech Inc |
$9,968,835.67 |
South Dakota State Checkbook |
| 2020 |
Bureau Of Finance & Management |
Fiegen Construction Co |
$9,963,318.76 |
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 |
| 2022 |
South Dakota State Checkbook |
Elior Inc |
$9,916,803.33 |
South Dakota State Checkbook |
| 2025 |
|
Asphalt Paving & Materials Co |
$9,892,433.17 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
City Of Tea |
$9,884,341.95 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
Journey Group Companies |
$9,856,200.42 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Belle Fourche School Dist 9-1 |
$9,822,884.65 |
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 |
| 2025 |
|
City Of Box Elder |
$9,764,651.93 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
City Of Vermillion |
$9,753,672.58 |
South Dakota State Checkbook |
| 2021 |
South Dakota State Checkbook |
Oftedal Construction Inc |
$9,751,177.52 |
South Dakota State Checkbook |
| 2021 |
South Dakota State Checkbook |
Belle Fourche School Dist 9-1 |
$9,686,586.68 |
South Dakota State Checkbook |
| 2018 |
Bureau Of Administration |
Tea Area School Dist 41-5 |
$9,666,073.68 |
South Dakota State Checkbook |
| 2025 |
|
Mitchell Technical College |
$9,660,788.23 |
South Dakota State Checkbook |