| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2025 |
|
Wagner Community School 11-4 |
$7,871,336.07 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Midland National Life |
$7,870,341.46 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
Vermillion School Dist 13-1 |
$7,860,527.80 |
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 |
| 2023 |
South Dakota State Checkbook |
Kadoka Area School Dist 35-2 |
$7,849,418.80 |
South Dakota State Checkbook |
| 2025 |
|
Mclaughlin School Dist 15-2 |
$7,844,974.04 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
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 |
| 2019 |
Bureau Of Administration |
Wagner Community School 11-4 |
$7,786,552.62 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
Midland Contracting Inc |
$7,783,887.56 |
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 |
| 2021 |
South Dakota State Checkbook |
Vermillion School Dist 13-1 |
$7,668,955.93 |
South Dakota State Checkbook |
| 2017 |
Bureau Of Finance Management |
Railworks Track Systems Inc |
$7,658,535.10 |
South Dakota State Checkbook |
| 2025 |
|
Hdr Engineering Inc |
$7,650,825.63 |
South Dakota State Checkbook |
| 2025 |
|
Pennington County Treasurer |
$7,639,712.10 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
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 |
|
Behavior Management Systems |
$7,576,011.18 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Carahsoft Technology Corp |
$7,575,992.78 |
South Dakota State Checkbook |
| 2025 |
|
General Excavating Llc |
$7,569,100.89 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Lawrence & Schiller Inc |
$7,547,520.87 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
Mitchell Technical College |
$7,544,170.52 |
South Dakota State Checkbook |
| 2024 |
Transportation |
City Of Pierre |
$7,544,132.61 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
Bx Civil & Construction |
$7,471,341.50 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Administration |
Sisseton School District 54-2 |
$7,455,376.17 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Western Dakota Technical Colle |
$7,417,462.52 |
South Dakota State Checkbook |
| 2025 |
|
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 |
South Dakota State Checkbook |
Deuel Harvest Wind Energy Llc |
$7,387,164.46 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
North Sioux City--City Of |
$7,366,294.93 |
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 |
South Dakota State Checkbook |
Midwest Contracting Llc |
$7,322,423.09 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
City Of Vermillion |
$7,302,780.14 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Stryker Sales Llc |
$7,280,725.03 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Pennington County Treasurer |
$7,271,557.20 |
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 |
| 2019 |
Agriculture |
Sd Corn Utilization Council |
$7,203,453.55 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
City Of Custer |
$7,194,929.20 |
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 |
| 2022 |
South Dakota State Checkbook |
Oglala Sioux Tribe |
$7,122,305.70 |
South Dakota State Checkbook |
| 2021 |
South Dakota State Checkbook |
Rcs Construction Inc |
$7,117,748.31 |
South Dakota State Checkbook |
| 2021 |
South Dakota State Checkbook |
Oglala Sioux Tribe |
$7,103,611.64 |
South Dakota State Checkbook |
| 2018 |
Agriculture |
Sd Corn Utilization Council |
$7,103,231.01 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Central Specialties Inc |
$7,102,800.43 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
Pennington County Treasurer |
$7,101,435.93 |
South Dakota State Checkbook |
| 2020 |
State Auditor |
Discovery Benefits Inc |
$7,099,753.90 |
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 |
|
Golden West Telecomm Co-Op Inc |
$7,073,762.04 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Oglala Sioux Tribe |
$7,059,314.80 |
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 |
| 2023 |
South Dakota State Checkbook |
Mac Construction Company Inc |
$7,019,123.20 |
South Dakota State Checkbook |
| 2021 |
South Dakota State Checkbook |
Duininck Inc |
$7,017,033.93 |
South Dakota State Checkbook |
| 2025 |
|
Randall Community Water Dist |
$7,005,045.65 |
South Dakota State Checkbook |
| 2025 |
|
Rosebud Sioux Tribe |
$7,003,024.49 |
South Dakota State Checkbook |
| 2024 |
Education |
Wagner Community School 11-4 |
$6,994,512.08 |
South Dakota State Checkbook |
| 2025 |
|
Lawrence & Schiller Inc |
$6,988,491.99 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Lewis & Clark Behvrl Hlth Svcs |
$6,968,194.90 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Administration |
Lennox School District No 41-4 |
$6,931,994.76 |
South Dakota State Checkbook |
| 2024 |
Transportation |
Sioux Falls Regional Airport |
$6,923,147.94 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
Simon Contractors Of Sd Inc |
$6,919,427.23 |
South Dakota State Checkbook |
| 2018 |
Bureau Of Finance Management |
Complete Concrete Inc |
$6,908,806.84 |
South Dakota State Checkbook |
| 2021 |
South Dakota State Checkbook |
Pennington County Treasurer |
$6,903,030.09 |
South Dakota State Checkbook |
| 2020 |
Education |
West Central School Dist 49-7 |
$6,870,368.43 |
South Dakota State Checkbook |
| 2021 |
South Dakota State Checkbook |
Monument Health Rapid City Hos |
$6,866,759.85 |
South Dakota State Checkbook |
| 2021 |
South Dakota State Checkbook |
Sunkota Construction |
$6,842,312.37 |
South Dakota State Checkbook |
| 2025 |
|
Avera Mckennan |
$6,818,871.92 |
South Dakota State Checkbook |
| 2024 |
Education |
Western Dakota Technical Colle |
$6,813,120.38 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Northern States Power Co |
$6,808,658.12 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Heavy Constructors Inc |
$6,797,242.94 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
City Of Harrisburg |
$6,727,928.83 |
South Dakota State Checkbook |
| 2024 |
Transportation |
Monroe Truck Equipment Inc |
$6,722,029.91 |
South Dakota State Checkbook |
| 2024 |
Public Safety |
Avera Mckennan |
$6,714,402.64 |
South Dakota State Checkbook |
| 2017 |
Bureau Of Finance Management |
Journey Group Companies |
$6,709,748.70 |
South Dakota State Checkbook |
| 2025 |
|
Alliance Communications Coop |
$6,696,487.36 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Finance Management |
I-State Truck Inc |
$6,694,497.36 |
South Dakota State Checkbook |
| 2021 |
South Dakota State Checkbook |
The Evangelical Lutheran Good |
$6,672,653.00 |
South Dakota State Checkbook |
| 2021 |
South Dakota State Checkbook |
Heavy Constructors Inc |
$6,657,391.29 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Human Resources |
Metropolitan Life Ins |
$6,638,803.47 |
South Dakota State Checkbook |
| 2024 |
Education |
Black Hills Special Services |
$6,637,324.24 |
South Dakota State Checkbook |
| 2021 |
South Dakota State Checkbook |
Sisseton School District 54-2 |
$6,632,198.12 |
South Dakota State Checkbook |
| 2025 |
|
Flandreau School Dist No 50-3 |
$6,616,287.66 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Elior Inc |
$6,613,745.00 |
South Dakota State Checkbook |
| 2024 |
Bureau Of Administration |
Mcgough Construction Co Llc |
$6,613,262.94 |
South Dakota State Checkbook |
| 2020 |
Revenue |
Deadwood City Of |
$6,613,108.57 |
South Dakota State Checkbook |
| 2024 |
Corrections |
Nelco Architecture Inc |
$6,612,712.50 |
South Dakota State Checkbook |
| 2022 |
South Dakota State Checkbook |
City Of Madison |
$6,594,894.82 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Bump Inc |
$6,592,096.98 |
South Dakota State Checkbook |
| 2019 |
Revenue |
Vermillion-City Of |
$6,588,493.34 |
South Dakota State Checkbook |
| 2023 |
South Dakota State Checkbook |
Sisseton School District 54-2 |
$6,582,905.56 |
South Dakota State Checkbook |