United States · Federal contract register · Supplier record
SOUTHWESTERN DAKOTAH INC — United States · Federal contract register · Supplier record: 104 contracts, all years ($186,854,788 · Dec 2005 – Jun 2025); $3.1M since January 2024 (2 contracts · 1 agency); 675th rank in the line (of 1,696 suppliers · 0.02%); 24 agencies never served ($2.5B on the line without SOUTHWESTERN DAKOTAH INC).
Assay record ASY-US-0XKHBY91YV · Cite as: Assay Systems, “SOUTHWESTERN DAKOTAH INC in the USAspending register”, https://assay-systems.com/register/us/southwestern-dakotah-inc/
Before 2024 only: Department of Energy, Department of Health and Human Services, Department of Veterans Affairs, Department of the Interior, National Aeronautics and Space Administration.
Repair or alteration of office buildings (Z2AA)
Every buying office, every contract holder, value, number and end date behind the figures above.
Source: USAspending.gov, U.S. Department of the Treasury, Bureau of the Fiscal Service, usaspending.gov, accessed 30 September 2026.The data is available to copy, adapt, redistribute, or otherwise use for non-commercial or for commercial purposes (USAspending.gov, Licensing); no Dun & Bradstreet data is shown.