An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ()
or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Effective April 4, 2022, the federal government will no longer use the Data Universal Numbering System (DUNS) number to uniquely identify federal contractors. As a result, federal contractors will be required to obtain a UEI number from SAM.gov and update that number in E-Verify.