UEIUnique Entity Identifier
A 12-character alphanumeric ID assigned by SAM.gov to uniquely identify entities doing business with the federal government. Replaced the DUNS number in April 2022.
Related Terms
SAM
The System for Award Management — the official U.S. government website for entity registration, contract opportunity search, and federal award data.
CAGE Code
A five-character Commercial and Government Entity code used to identify companies doing business with the federal government, assigned by DLA.
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