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.
For general questions, contact:
National Customer Service Center
Call: 1-800-488-3111
Email: ncsccustomer.service@gsa.gov
System Notice: eLibrary is experiencing an issue with MAS 8(a) Pool participant identification. Please reach out to maspmo@gsa.gov to confirm MAS 8(a) pool status.
Human Resources Line of Business (HRLOB) Technology Solutions in support of other SINS in the Human Capital Category, including but not limited to Software, technology, systems and related solutions. Services and products offered under this SIN must be in support of one or more of the 16 Functions/50 Sub-functions in the Human Capital Lifecycle. Please see the OPM Federal Human Capital Business Reference Model(HCBRM) for a full list of these functions, or refer to the other SINS in this category. The HCBRM as developed by the Office of Personnel Management (OPM) as of January 2024 is available here: https://www.opm.gov/services-for-agencies/hr-line-of-business/hc-business-reference-model/hcbrm-40-map.pdf. The Human Capital Business Reference Model as of January 2024 or later may be used.