United States · Federal contract register · Supplier record
CHANG-CASTILLO & ASSOCIATES LLC — United States · Federal contract register · Supplier record: 104 contracts, all years ($2,200,086 · Aug 2010 – Jul 2026); $190K since January 2024 (36 contracts · 2 agencies); 122nd rank in the line (of 1,100 suppliers · 0.02%); 34 agencies never served ($835M on the line without CHANG-CASTILLO & ASSOCIATES LLC).
Assay record ASY-US-0XAQH730HX · Cite as: Assay Systems, “CHANG-CASTILLO & ASSOCIATES LLC in the USAspending register”, https://assay-systems.com/register/us/chang-castillo-associates-llc/
Before 2024 only: Department of Commerce, Department of Energy.
Administrative, translation and interpreting (R608)
Supplier UEI L3VCKMD7J585
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.