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.
Office Supply Support Services This SIN includes all commercially available services related to the support of office products. Services include, but are not limited to: on-site stores, walk-in stores, customizing and imprinting services. Items located in stores under SIN 339940SVC Office Supply Support Services must also be on 339940 Office Products or 339940OS4 Office Products and Supplies.
<br>
<br>NOTE: Toner cartridges are the ONLY remanufactured item(s) allowable under this SIN
