| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2016 |
Bureau Of Administration |
Meade School District 46-1 |
$8,231,306.56 |
South Dakota State Checkbook |
| 2021 |
Governor's Office |
Crowned Ridge Wind Llc |
$8,211,970.00 |
South Dakota State Checkbook |
| 2021 |
Bureau Of Finance & Management |
Avera Mckennan |
$8,200,400.00 |
South Dakota State Checkbook |
| 2022 |
Transportation |
Heavy Constructors Inc |
$8,193,536.16 |
South Dakota State Checkbook |
| 2021 |
Transportation |
Runge Enterprises Inc |
$8,182,524.31 |
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 |
Transportation |
Duininck Inc |
$8,125,515.77 |
South Dakota State Checkbook |
| 2020 |
Education |
Southeast Technical Institute |
$8,123,894.31 |
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 |
| 2020 |
Education |
Belle Fourche School Dist 9-1 |
$8,096,540.32 |
South Dakota State Checkbook |
| 2025 |
Social Services |
Childrens Care Hosp & School |
$8,063,478.59 |
South Dakota State Checkbook |
| 2021 |
Education |
West Central School Dist 49-7 |
$8,053,971.33 |
South Dakota State Checkbook |
| 2016 |
Bureau Of Finance Management |
Omaha Track Inc |
$8,020,958.07 |
South Dakota State Checkbook |
| 2020 |
Transportation |
Jensen Rock & Sand Inc |
$8,003,177.32 |
South Dakota State Checkbook |
| 2025 |
Agriculture & Nat. Resources |
City Of Sioux Falls |
$8,000,150.00 |
South Dakota State Checkbook |
| 2025 |
Agriculture & Nat. Resources |
Brookings City Of |
$8,000,000.00 |
South Dakota State Checkbook |
| 2025 |
Social Services |
Lewis & Clark Behvrl Hlth Svcs |
$7,996,685.76 |
South Dakota State Checkbook |
| 2023 |
Education |
Mitchell Technical College |
$7,990,274.42 |
South Dakota State Checkbook |
| 2021 |
Revenue |
Huron - City Of |
$7,986,925.57 |
South Dakota State Checkbook |
| 2022 |
Governor's Office |
Santel Communications |
$7,973,887.24 |
South Dakota State Checkbook |
| 2023 |
Education |
West Central School Dist 49-7 |
$7,958,625.93 |
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 |
| 2016 |
Bureau Of Finance Management |
Simon Contractors Of Sd Inc |
$7,917,419.85 |
South Dakota State Checkbook |
| 2024 |
Transportation |
Hamm Contracting Llc |
$7,913,605.12 |
South Dakota State Checkbook |
| 2025 |
Education |
West Central School Dist 49-7 |
$7,909,163.54 |
South Dakota State Checkbook |
| 2025 |
Education |
Eagle Butte School District |
$7,907,650.63 |
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 |
| 2023 |
Revenue |
Midland National Life |
$7,870,341.46 |
South Dakota State Checkbook |
| 2017 |
Agriculture |
Sd Corn Utilization Council |
$7,851,987.92 |
South Dakota State Checkbook |
| 2018 |
Bureau Of Finance Management |
Watertown--City Of |
$7,850,254.11 |
South Dakota State Checkbook |
| 2022 |
Transportation |
Hamm Contracting Llc |
$7,838,761.20 |
South Dakota State Checkbook |
| 2017 |
Bureau Of Human Resources |
Delta Dental Plan Of Sd |
$7,833,563.18 |
South Dakota State Checkbook |
| 2016 |
Bureau Of Administration |
Tea Area School Dist 41-5 |
$7,790,142.94 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Administration |
Wagner Community School 11-4 |
$7,786,552.62 |
South Dakota State Checkbook |
| 2019 |
Revenue |
Pennington County Treasurer |
$7,781,189.45 |
South Dakota State Checkbook |
| 2018 |
Revenue |
Huron - City Of |
$7,763,431.32 |
South Dakota State Checkbook |
| 2017 |
Bureau Of Administration |
Belle Fourche School Dist 9-1 |
$7,752,881.50 |
South Dakota State Checkbook |
| 2025 |
Bureau Of Information & Tech |
Dell Marketing Lp |
$7,749,210.33 |
South Dakota State Checkbook |
| 2022 |
Bureau Of Human Resources |
Delta Dental Plan Of Sd |
$7,739,677.17 |
South Dakota State Checkbook |
| 2025 |
Education |
Wagner Community School 11-4 |
$7,725,698.16 |
South Dakota State Checkbook |
| 2025 |
Education |
Mclaughlin School Dist 15-2 |
$7,723,791.36 |
South Dakota State Checkbook |
| 2023 |
Education |
Kadoka Area School Dist 35-2 |
$7,715,003.00 |
South Dakota State Checkbook |
| 2022 |
Education |
Vermillion School Dist 13-1 |
$7,694,018.98 |
South Dakota State Checkbook |
| 2017 |
Bureau Of Finance Management |
Railworks Track Systems Inc |
$7,658,535.10 |
South Dakota State Checkbook |
| 2022 |
Transportation |
Corr Construction Services |
$7,631,220.77 |
South Dakota State Checkbook |
| 2018 |
Bureau Of Administration |
Southeast Technical Institute |
$7,594,409.96 |
South Dakota State Checkbook |
| 2025 |
Transportation |
General Excavating Llc |
$7,569,100.89 |
South Dakota State Checkbook |
| 2024 |
Transportation |
City Of Pierre |
$7,544,132.61 |
South Dakota State Checkbook |
| 2022 |
Education |
Mitchell Technical College |
$7,475,629.29 |
South Dakota State Checkbook |
| 2022 |
Transportation |
Bx Civil & Construction |
$7,471,341.50 |
South Dakota State Checkbook |
| 2022 |
Transportation |
City Of Aberdeen |
$7,468,171.28 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Administration |
Sisseton School District 54-2 |
$7,455,376.17 |
South Dakota State Checkbook |
| 2021 |
Education |
Vermillion School Dist 13-1 |
$7,419,325.85 |
South Dakota State Checkbook |
| 2016 |
Bureau Of Finance Management |
Sioux Falls Regional Airport |
$7,413,323.12 |
South Dakota State Checkbook |
| 2025 |
Social Services |
Behavior Management Systems |
$7,408,470.63 |
South Dakota State Checkbook |
| 2025 |
Transportation |
Interstate Improvement Inc |
$7,394,719.20 |
South Dakota State Checkbook |
| 2020 |
Revenue |
Huron - City Of |
$7,391,926.73 |
South Dakota State Checkbook |
| 2022 |
Governor's Office |
Deuel Harvest Wind Energy Llc |
$7,387,164.46 |
South Dakota State Checkbook |
| 2023 |
Education |
Western Dakota Technical Colle |
$7,381,055.52 |
South Dakota State Checkbook |
| 2025 |
Education |
Western Dakota Technical Colle |
$7,380,317.28 |
South Dakota State Checkbook |
| 2024 |
Social Services |
Bowling Green Inn Of Sd |
$7,357,094.28 |
South Dakota State Checkbook |
| 2024 |
Transportation |
Morris Inc |
$7,339,783.92 |
South Dakota State Checkbook |
| 2021 |
Transportation |
Midwest Contracting Llc |
$7,322,423.09 |
South Dakota State Checkbook |
| 2023 |
Health |
Stryker Sales Llc |
$7,277,839.42 |
South Dakota State Checkbook |
| 2022 |
Transportation |
Midland Contracting Inc |
$7,258,148.21 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Finance Management |
Asphalt Surface Technologies |
$7,236,780.83 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Finance Management |
Fiegen Construction Co |
$7,228,410.31 |
South Dakota State Checkbook |
| 2024 |
Revenue |
Pennington County Treasurer |
$7,228,193.72 |
South Dakota State Checkbook |
| 2019 |
Revenue |
Rosebud Sioux Tribe |
$7,217,261.22 |
South Dakota State Checkbook |
| 2025 |
Revenue |
Pennington County Treasurer |
$7,217,202.15 |
South Dakota State Checkbook |
| 2019 |
Agriculture |
Sd Corn Utilization Council |
$7,203,453.55 |
South Dakota State Checkbook |
| 2016 |
Bureau Of Finance Management |
Aberdeen-City Of |
$7,203,349.18 |
South Dakota State Checkbook |
| 2016 |
Revenue |
Huron - City Of |
$7,202,820.44 |
South Dakota State Checkbook |
| 2025 |
Transportation |
Hdr Engineering Inc |
$7,179,266.84 |
South Dakota State Checkbook |
| 2017 |
Bureau Of Administration |
Southeast Technical Institute |
$7,162,759.81 |
South Dakota State Checkbook |
| 2017 |
Bureau Of Finance Management |
Border States Paving Inc |
$7,159,508.24 |
South Dakota State Checkbook |
| 2024 |
Education |
Lennox School District No 41-4 |
$7,137,170.33 |
South Dakota State Checkbook |
| 2018 |
Agriculture |
Sd Corn Utilization Council |
$7,103,231.01 |
South Dakota State Checkbook |
| 2023 |
Transportation |
Central Specialties Inc |
$7,102,800.43 |
South Dakota State Checkbook |
| 2020 |
State Auditor |
Discovery Benefits Inc |
$7,099,753.90 |
South Dakota State Checkbook |
| 2021 |
Military |
Rcs Construction Inc |
$7,089,892.47 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Administration |
Rapid City Area School Distrit |
$7,087,818.98 |
South Dakota State Checkbook |
| 2020 |
Transportation |
Complete Concrete Inc |
$7,075,673.54 |
South Dakota State Checkbook |
| 2025 |
Revenue |
Oglala Sioux Tribe |
$7,063,874.22 |
South Dakota State Checkbook |
| 2020 |
Transportation |
Foothills Contracting Inc |
$7,053,269.54 |
South Dakota State Checkbook |
| 2020 |
Transportation |
Prairie States Trucking Inc |
$7,020,124.42 |
South Dakota State Checkbook |
| 2021 |
Transportation |
Duininck Inc |
$7,016,944.13 |
South Dakota State Checkbook |
| 2016 |
Bureau Of Administration |
Belle Fourche School Dist 9-1 |
$7,009,580.14 |
South Dakota State Checkbook |
| 2024 |
Education |
Wagner Community School 11-4 |
$6,994,512.08 |
South Dakota State Checkbook |
| 2025 |
Governor's Office |
Golden West Telecomm Co-Op Inc |
$6,985,631.00 |
South Dakota State Checkbook |
| 2016 |
Veterans' Affairs |
Scull Construction Service Inc |
$6,980,653.00 |
South Dakota State Checkbook |