| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2024 |
Education |
Pierre School District 32-2 |
$15,958,925.68 |
South Dakota State Checkbook |
| 2021 |
Revenue |
City Of Brookings |
$15,947,986.64 |
South Dakota State Checkbook |
| 2023 |
Transportation |
Loiseau Construction Inc |
$15,820,371.87 |
South Dakota State Checkbook |
| 2022 |
Transportation |
M10 Inc |
$15,805,998.19 |
South Dakota State Checkbook |
| 2021 |
Transportation |
Foothills Contracting Inc |
$15,715,076.44 |
South Dakota State Checkbook |
| 2022 |
Transportation |
Loiseau Construction Inc |
$15,682,264.57 |
South Dakota State Checkbook |
| 2025 |
Tourism |
K&H Llc |
$15,650,736.16 |
South Dakota State Checkbook |
| 2025 |
Transportation |
Heavy Constructors Inc |
$15,648,206.92 |
South Dakota State Checkbook |
| 2021 |
Bureau Of Finance & Management |
Pennington County |
$15,619,119.53 |
South Dakota State Checkbook |
| 2020 |
Education |
Oglala Lakota County |
$15,609,092.56 |
South Dakota State Checkbook |
| 2016 |
Revenue |
Watertown--City Of |
$15,608,871.74 |
South Dakota State Checkbook |
| 2024 |
Military |
Peska Construction Inc |
$15,576,658.76 |
South Dakota State Checkbook |
| 2017 |
Revenue |
Brookings-city Of |
$15,561,423.39 |
South Dakota State Checkbook |
| 2022 |
Education |
Yankton School District 63-3 |
$15,551,878.27 |
South Dakota State Checkbook |
| 2024 |
Social Services |
Lewis & Clark Behvrl Hlth Svcs |
$15,544,957.82 |
South Dakota State Checkbook |
| 2025 |
Education |
Meade School District 46-1 |
$15,529,793.59 |
South Dakota State Checkbook |
| 2016 |
Bureau Of Administration |
Oglala Lakota County |
$15,519,420.45 |
South Dakota State Checkbook |
| 2024 |
Education |
Meade School District 46-1 |
$15,501,315.36 |
South Dakota State Checkbook |
| 2019 |
Revenue |
Yankton-City Of |
$15,496,192.03 |
South Dakota State Checkbook |
| 2019 |
State Auditor |
Discovery Benefits Inc |
$15,470,437.31 |
South Dakota State Checkbook |
| 2023 |
Revenue |
City Of Mitchell |
$15,453,504.57 |
South Dakota State Checkbook |
| 2023 |
Transportation |
Duininck Inc |
$15,436,588.86 |
South Dakota State Checkbook |
| 2016 |
Bureau Of Finance Management |
Commercial Asphalt & Materials |
$15,358,097.81 |
South Dakota State Checkbook |
| 2020 |
Education |
Mitchell School District 17-2 |
$15,344,322.84 |
South Dakota State Checkbook |
| 2025 |
Transportation |
Rapid City -- City Of |
$15,326,647.86 |
South Dakota State Checkbook |
| 2023 |
Transportation |
Midland Contracting Inc |
$15,226,021.66 |
South Dakota State Checkbook |
| 2022 |
Revenue |
City Of Mitchell |
$15,102,540.08 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Administration |
Tea Area School Dist 41-5 |
$15,015,828.56 |
South Dakota State Checkbook |
| 2017 |
Bureau Of Administration |
Huron School District 2-2 |
$14,962,112.74 |
South Dakota State Checkbook |
| 2023 |
Agriculture & Nat. Resources |
Brookings City Of |
$14,915,883.75 |
South Dakota State Checkbook |
| 2018 |
Revenue |
Brookings-City Of |
$14,875,652.10 |
South Dakota State Checkbook |
| 2021 |
Health |
Vault Medical Services Pa |
$14,853,580.00 |
South Dakota State Checkbook |
| 2022 |
Transportation |
Anderson Western Inc |
$14,835,780.68 |
South Dakota State Checkbook |
| 2020 |
Revenue |
Brookings-City Of |
$14,833,470.60 |
South Dakota State Checkbook |
| 2022 |
Transportation |
Midwest Contracting Llc |
$14,821,368.73 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Finance Management |
Zandstra Construction Inc |
$14,742,535.87 |
South Dakota State Checkbook |
| 2023 |
Education |
Tea Area School Dist 41-5 |
$14,684,149.94 |
South Dakota State Checkbook |
| 2018 |
Bureau Of Administration |
Brookings School District 5-1 |
$14,665,815.84 |
South Dakota State Checkbook |
| 2017 |
Bureau Of Finance Management |
Commercial Asphalt & Materials |
$14,602,070.83 |
South Dakota State Checkbook |
| 2018 |
Bureau Of Finance Management |
Pci Roads Llc |
$14,560,564.40 |
South Dakota State Checkbook |
| 2018 |
Bureau Of Finance Management |
Border States Paving Inc |
$14,533,242.35 |
South Dakota State Checkbook |
| 2022 |
Education |
Tea Area School Dist 41-5 |
$14,507,040.47 |
South Dakota State Checkbook |
| 2025 |
Transportation |
Zandstra Construction Inc |
$14,504,496.87 |
South Dakota State Checkbook |
| 2025 |
Transportation |
Simon Contractors Of Sd Inc |
$14,503,578.02 |
South Dakota State Checkbook |
| 2022 |
Transportation |
Foothills Contracting Inc |
$14,497,302.34 |
South Dakota State Checkbook |
| 2024 |
Education |
Watertown School District |
$14,496,922.81 |
South Dakota State Checkbook |
| 2021 |
Transportation |
Riley Bros Construction Inc |
$14,472,482.38 |
South Dakota State Checkbook |
| 2025 |
Transportation |
Central Specialties Inc |
$14,466,166.98 |
South Dakota State Checkbook |
| 2016 |
Bureau Of Administration |
Douglas School Dist No 51-1 |
$14,443,159.70 |
South Dakota State Checkbook |
| 2023 |
Social Services |
Redmane Technology Llc |
$14,366,504.45 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Finance Management |
Jensen Rock & Sand Inc |
$14,289,069.34 |
South Dakota State Checkbook |
| 2025 |
Revenue |
Yankton-City Of |
$14,275,854.62 |
South Dakota State Checkbook |
| 2018 |
Bureau Of Administration |
Mitchell School District 17-2 |
$14,253,654.69 |
South Dakota State Checkbook |
| 2020 |
Bureau Of Finance & Management |
Mccowngordon Construction Llc |
$14,242,868.98 |
South Dakota State Checkbook |
| 2021 |
Transportation |
Sioux Falls Regional Airport |
$14,205,272.22 |
South Dakota State Checkbook |
| 2016 |
Bureau Of Administration |
Brandon Valley |
$14,190,766.05 |
South Dakota State Checkbook |
| 2024 |
Transportation |
Heavy Constructors Inc |
$14,096,932.28 |
South Dakota State Checkbook |
| 2016 |
Bureau Of Finance Management |
Border States Paving Inc |
$14,072,424.55 |
South Dakota State Checkbook |
| 2021 |
Education |
Tea Area School Dist 41-5 |
$14,039,975.16 |
South Dakota State Checkbook |
| 2016 |
Bureau Of Administration |
Watertown School District 14-4 |
$13,990,858.43 |
South Dakota State Checkbook |
| 2021 |
Transportation |
D&G Concrete Construction Inc |
$13,984,532.52 |
South Dakota State Checkbook |
| 2025 |
Revenue |
City Of Spearfish |
$13,976,344.56 |
South Dakota State Checkbook |
| 2016 |
Revenue |
Brookings-City Of |
$13,952,118.55 |
South Dakota State Checkbook |
| 2018 |
Bureau Of Finance Management |
Bx Civil & Construction |
$13,927,654.96 |
South Dakota State Checkbook |
| 2016 |
Bureau Of Finance Management |
Asphalt Paving & Materials Co |
$13,882,999.83 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Finance Management |
Runge Enterprises Inc |
$13,828,026.51 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Finance Management |
M10 Inc |
$13,795,415.52 |
South Dakota State Checkbook |
| 2022 |
Transportation |
Spencer Quarries Inc |
$13,779,547.32 |
South Dakota State Checkbook |
| 2020 |
Transportation |
Zandstra Construction Inc |
$13,774,214.89 |
South Dakota State Checkbook |
| 2024 |
Transportation |
Asphalt Surface Technologies |
$13,730,396.83 |
South Dakota State Checkbook |
| 2017 |
Bureau Of Administration |
Brookings School District 5-1 |
$13,690,879.47 |
South Dakota State Checkbook |
| 2024 |
Transportation |
D&G Concrete Construction Inc |
$13,647,706.98 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Finance Management |
Complete Concrete Inc |
$13,610,158.42 |
South Dakota State Checkbook |
| 2019 |
Revenue |
Spearfish-City Of |
$13,608,713.29 |
South Dakota State Checkbook |
| 2021 |
Bureau Of Finance & Management |
Minnehaha County |
$13,564,678.08 |
South Dakota State Checkbook |
| 2023 |
Revenue |
Yankton-City Of |
$13,545,254.59 |
South Dakota State Checkbook |
| 2021 |
Transportation |
Asphalt Paving & Materials Co |
$13,525,282.77 |
South Dakota State Checkbook |
| 2024 |
Revenue |
Yankton-City Of |
$13,454,317.93 |
South Dakota State Checkbook |
| 2025 |
Revenue |
Fast Lp |
$13,400,750.00 |
South Dakota State Checkbook |
| 2020 |
Education |
Pierre School District 32-2 |
$13,395,036.14 |
South Dakota State Checkbook |
| 2020 |
Transportation |
T & R Contracting Inc |
$13,390,140.23 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Finance Management |
Sioux Falls Regional Airport |
$13,384,205.71 |
South Dakota State Checkbook |
| 2018 |
Bureau Of Finance Management |
Loiseau Construction Inc |
$13,368,948.69 |
South Dakota State Checkbook |
| 2023 |
Revenue |
City Of Spearfish |
$13,350,717.12 |
South Dakota State Checkbook |
| 2025 |
State Auditor |
Wex Health Inc |
$13,274,756.62 |
South Dakota State Checkbook |
| 2016 |
Bureau Of Finance Management |
Knife River Midwest Llc |
$13,240,561.90 |
South Dakota State Checkbook |
| 2020 |
Education |
Yankton School District 63-3 |
$13,222,314.59 |
South Dakota State Checkbook |
| 2022 |
Revenue |
Yankton-City Of |
$13,174,205.07 |
South Dakota State Checkbook |
| 2024 |
Revenue |
City Of Spearfish |
$13,121,852.04 |
South Dakota State Checkbook |
| 2025 |
Revenue |
City Of Deadwood |
$13,121,143.99 |
South Dakota State Checkbook |
| 2025 |
Education |
Sisseton School District 54-2 |
$13,111,922.16 |
South Dakota State Checkbook |
| 2024 |
Education |
Southeast Technical Institute |
$13,065,664.68 |
South Dakota State Checkbook |
| 2018 |
Revenue |
Minnehaha County Treasurer |
$13,055,907.73 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Administration |
Spearfish School District 40-2 |
$13,051,398.79 |
South Dakota State Checkbook |
| 2019 |
Bureau Of Finance Management |
Asphalt Paving & Materials Co |
$13,049,679.07 |
South Dakota State Checkbook |
| 2024 |
Transportation |
Midland Contracting Inc |
$13,020,417.49 |
South Dakota State Checkbook |
| 2017 |
Revenue |
Minnehaha County Treasurer |
$13,014,825.57 |
South Dakota State Checkbook |
| 2024 |
Transportation |
Bowes Construction Inc |
$13,002,667.74 |
South Dakota State Checkbook |
| 2024 |
Revenue |
City Of Deadwood |
$12,971,371.75 |
South Dakota State Checkbook |
| 2021 |
Revenue |
City Of Mitchell |
$12,946,895.43 |
South Dakota State Checkbook |