| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2021 |
Social Services |
Lutheran Social Services Of Sd |
$3,600,076.93 |
South Dakota State Checkbook |
| 2025 |
Health |
Health Catalyst Inc |
$3,597,898.91 |
South Dakota State Checkbook |
| 2020 |
Transportation |
Ws Leasing Inc |
$3,597,146.35 |
South Dakota State Checkbook |
| 2025 |
Social Services |
Pennington County So Detox |
$3,596,739.15 |
South Dakota State Checkbook |
| 2023 |
Education |
Baltic School District 49-1 |
$3,595,384.17 |
South Dakota State Checkbook |
| 2018 |
Bureau Of Administration |
Hot Springs School Dist 23-2 |
$3,594,741.64 |
South Dakota State Checkbook |
| 2020 |
Revenue |
Brandon-City Of |
$3,591,929.60 |
South Dakota State Checkbook |
| 2016 |
Bureau Of Human Resources |
Reliastar Life Ins Co |
$3,591,614.73 |
South Dakota State Checkbook |
| 2023 |
Public Safety |
Centurylinkcomm |
$3,591,055.66 |
South Dakota State Checkbook |
| 2024 |
Social Services |
Elior Inc |
$3,589,541.01 |
South Dakota State Checkbook |
| 2021 |
Transportation |
Timmons Construction Inc |
$3,579,166.27 |
South Dakota State Checkbook |
| 2024 |
Social Services |
Childrens Care Hosp & School |
$3,579,079.47 |
South Dakota State Checkbook |
| 2018 |
Social Services |
Lewis & Clark Behvrl Hlth Svcs |
$3,578,361.98 |
South Dakota State Checkbook |
| 2024 |
Education |
Tri-Valley School Dist No 49-6 |
$3,576,647.16 |
South Dakota State Checkbook |
| 2023 |
Military |
Scull Construction Service Inc |
$3,575,024.72 |
South Dakota State Checkbook |
| 2021 |
Public Safety |
Minnehaha County Auditor |
$3,573,651.78 |
South Dakota State Checkbook |
| 2024 |
Education |
Baltic School District 49-1 |
$3,570,651.84 |
South Dakota State Checkbook |
| 2020 |
Bureau Of Administration |
Wells Fargo Equipment Finance |
$3,567,106.48 |
South Dakota State Checkbook |
| 2017 |
Bureau Of Administration |
Flandreau School Dist No 50-3 |
$3,564,367.17 |
South Dakota State Checkbook |
| 2016 |
Bureau Of Administration |
Bennett County School Dist 3-1 |
$3,561,086.96 |
South Dakota State Checkbook |
| 2020 |
Revenue |
Brown County Treasurer |
$3,559,304.67 |
South Dakota State Checkbook |
| 2021 |
Revenue |
City Of Belle Fourche |
$3,554,998.81 |
South Dakota State Checkbook |
| 2025 |
Education |
Beresford School District 61-2 |
$3,552,365.80 |
South Dakota State Checkbook |
| 2021 |
Public Safety |
Sioux Valley Southwestern Elec |
$3,543,013.84 |
South Dakota State Checkbook |
| 2021 |
Education |
Kadoka Area School Dist 35-2 |
$3,534,918.19 |
South Dakota State Checkbook |
| 2024 |
Governor's Office |
Leap Communications Llc |
$3,534,078.49 |
South Dakota State Checkbook |
| 2024 |
Education |
Mcgough Construction Co Llc |
$3,532,084.06 |
South Dakota State Checkbook |
| 2018 |
Bureau Of Administration |
Canton School District No 41-1 |
$3,530,668.30 |
South Dakota State Checkbook |
| 2019 |
Military |
Rcs Construction Inc |
$3,530,080.86 |
South Dakota State Checkbook |
| 2022 |
Education |
Chamberlain School Dist 7-1 |
$3,529,149.05 |
South Dakota State Checkbook |
| 2024 |
Governor's Office |
Sweetland Wind Farm Llc |
$3,523,343.00 |
South Dakota State Checkbook |
| 2018 |
Bureau Of Finance Management |
North Atlantic Developers Llc |
$3,520,000.00 |
South Dakota State Checkbook |
| 2020 |
Agriculture |
Sd Soybean Council |
$3,520,000.00 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Administration |
Andes Central School |
$3,518,546.14 |
South Dakota State Checkbook |
| 2025 |
Transportation |
Sir Lines-A-Lot Llc |
$3,517,389.32 |
South Dakota State Checkbook |
| 2017 |
Social Services |
Behavior Management Systems |
$3,516,332.67 |
South Dakota State Checkbook |
| 2023 |
Education |
Gregory School District 26-4 |
$3,514,304.32 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Administration |
Parkston School District 33-3 |
$3,512,487.67 |
South Dakota State Checkbook |
| 2022 |
Transportation |
Community Coordinated Transpor |
$3,511,767.49 |
South Dakota State Checkbook |
| 2025 |
Agriculture & Nat. Resources |
City Of Spearfish |
$3,510,945.56 |
South Dakota State Checkbook |
| 2024 |
Game, Fish And Parks |
Brandt Information Services |
$3,506,814.19 |
South Dakota State Checkbook |
| 2018 |
Bureau Of Human Resources |
Nextgen Communications Inc |
$3,505,419.00 |
South Dakota State Checkbook |
| 2022 |
Health |
Black Hills Special Services |
$3,505,280.20 |
South Dakota State Checkbook |
| 2022 |
Revenue |
International Registrationpla |
$3,501,946.09 |
South Dakota State Checkbook |
| 2018 |
Revenue |
Brandon-City Of |
$3,499,912.46 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Administration |
Redfield Public School |
$3,499,716.72 |
South Dakota State Checkbook |
| 2016 |
Revenue |
Brown County Treasurer |
$3,499,258.15 |
South Dakota State Checkbook |
| 2024 |
Public Safety |
Centurylinkcomm |
$3,498,822.24 |
South Dakota State Checkbook |
| 2021 |
Bureau Of Information & Tele. |
Shi International Corp |
$3,498,707.32 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Administration |
Lake Area Technical Institute |
$3,497,256.51 |
South Dakota State Checkbook |
| 2025 |
Social Services |
Lutheran Social Services Of Sd |
$3,497,073.89 |
South Dakota State Checkbook |
| 2016 |
Bureau Of Administration |
Eagle Butte School District |
$3,495,864.00 |
South Dakota State Checkbook |
| 2022 |
Social Services |
Interlakes Community Action Pt |
$3,495,711.66 |
South Dakota State Checkbook |
| 2020 |
Education |
Hamlin School District 28-3 |
$3,494,433.38 |
South Dakota State Checkbook |
| 2022 |
Transportation |
Western Construction Inc |
$3,492,287.80 |
South Dakota State Checkbook |
| 2020 |
Education |
Black Hills Special Services |
$3,490,391.12 |
South Dakota State Checkbook |
| 2024 |
Social Services |
Lutheran Social Services Of Sd |
$3,487,979.78 |
South Dakota State Checkbook |
| 2017 |
Bureau Of Administration |
Sdn Communications Llc |
$3,476,269.95 |
South Dakota State Checkbook |
| 2023 |
Social Services |
Northwestern Energy |
$3,475,907.10 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Finance Management |
Mainline Contracting Inc |
$3,473,351.46 |
South Dakota State Checkbook |
| 2020 |
Revenue |
City Of Deadwood |
$3,468,859.31 |
South Dakota State Checkbook |
| 2018 |
Bureau Of Administration |
Mobridge-Pollock School Distrt |
$3,466,792.77 |
South Dakota State Checkbook |
| 2024 |
Transportation |
Klj Solutions Holding Company |
$3,463,621.74 |
South Dakota State Checkbook |
| 2018 |
Revenue |
Brown County Treasurer |
$3,461,825.55 |
South Dakota State Checkbook |
| 2024 |
Education |
Redfield Public School |
$3,460,105.93 |
South Dakota State Checkbook |
| 2021 |
Revenue |
Internation Fuel Tax Assocatn |
$3,459,659.72 |
South Dakota State Checkbook |
| 2025 |
Agriculture & Nat. Resources |
Grant-Roberts Rural Water |
$3,457,290.00 |
South Dakota State Checkbook |
| 2017 |
Revenue |
Brandon-city Of |
$3,455,038.11 |
South Dakota State Checkbook |
| 2022 |
Transportation |
Iowa Civil Contracting Inc |
$3,452,971.30 |
South Dakota State Checkbook |
| 2021 |
Education |
Baltic School District 49-1 |
$3,452,570.03 |
South Dakota State Checkbook |
| 2023 |
Transportation |
Asphalt Surface Technologies |
$3,452,088.09 |
South Dakota State Checkbook |
| 2017 |
Bureau Of Administration |
Canton School District No 41-1 |
$3,450,205.10 |
South Dakota State Checkbook |
| 2020 |
Bureau Of Information & Tele. |
Shi International Corp |
$3,447,186.31 |
South Dakota State Checkbook |
| 2023 |
Social Services |
Carroll Institute |
$3,446,406.09 |
South Dakota State Checkbook |
| 2021 |
Education |
Chamberlain School District |
$3,445,170.00 |
South Dakota State Checkbook |
| 2018 |
Revenue |
City Of Madison |
$3,445,167.51 |
South Dakota State Checkbook |
| 2021 |
Education |
Elk Point-Jefferson Schl Dist |
$3,444,635.92 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Finance Management |
Huron - City Of |
$3,442,523.46 |
South Dakota State Checkbook |
| 2022 |
Transportation |
Morris Inc |
$3,440,377.96 |
South Dakota State Checkbook |
| 2025 |
Social Services |
Human Service Agency |
$3,428,976.19 |
South Dakota State Checkbook |
| 2018 |
Bureau Of Human Resources |
Minnehaha County Auditor |
$3,422,745.17 |
South Dakota State Checkbook |
| 2023 |
Health |
Cardinal Health Inc |
$3,421,433.29 |
South Dakota State Checkbook |
| 2016 |
Bureau Of Administration |
Madison Central School |
$3,419,282.40 |
South Dakota State Checkbook |
| 2021 |
Transportation |
City Of Sioux Falls |
$3,418,409.65 |
South Dakota State Checkbook |
| 2019 |
Game, Fish And Parks |
Bituminous Paving Inc |
$3,413,284.34 |
South Dakota State Checkbook |
| 2016 |
Revenue |
City Of Madison |
$3,407,379.55 |
South Dakota State Checkbook |
| 2024 |
Transportation |
M10 Inc |
$3,402,319.27 |
South Dakota State Checkbook |
| 2024 |
Transportation |
Felsburg Holt & Ullevig |
$3,399,913.53 |
South Dakota State Checkbook |
| 2025 |
Transportation |
Grangaard Construction Inc |
$3,399,874.69 |
South Dakota State Checkbook |
| 2021 |
Revenue |
Codington County Treasurer |
$3,399,398.45 |
South Dakota State Checkbook |
| 2022 |
Governor's Office |
Otter Tail Power Company |
$3,396,987.66 |
South Dakota State Checkbook |
| 2016 |
Bureau Of Administration |
Beck Motors Inc |
$3,396,069.78 |
South Dakota State Checkbook |
| 2023 |
Transportation |
Klj Solutions Holding Company |
$3,394,448.75 |
South Dakota State Checkbook |
| 2017 |
Revenue |
Brown County Treasurer |
$3,393,164.69 |
South Dakota State Checkbook |
| 2024 |
Agriculture & Nat. Resources |
Bear Butte Valley Water Inc |
$3,383,026.48 |
South Dakota State Checkbook |
| 2020 |
Education |
Winner School District 59-2 |
$3,382,733.08 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Administration |
Bon Homme School District 4-2 |
$3,377,920.62 |
South Dakota State Checkbook |
| 2019 |
Social Services |
Lutheran Social Services Of Sd |
$3,374,954.69 |
South Dakota State Checkbook |
| 2022 |
Social Services |
Bowling Green Inn Of Sd |
$3,374,457.11 |
South Dakota State Checkbook |
| 2017 |
Bureau Of Administration |
Milbank School District 25-4 |
$3,372,190.15 |
South Dakota State Checkbook |