Federal Strategic Sourcing Initiative (FSSI) - Office Supplies (OS3)

Great news! ALL twenty four of the FSSI OS3 contractors are now up on GSA Advantage!. To order OS3 products, go to GSAAdvantage!® and click on the Office Supplies and Equipment FSSI  link on the left side of the page. You can then type in the items you are looking for in the search bar.

We have attached a comprehensive OS3 Purchasing Guide for your reference. GSA is here to help! If you have questions about FSSI OS3, call our National Customer Service Center at (800) 488-3111. Direct your email inquiries to fssi.officesupplies@gsa.gov.  A list of OS3 vendors can be found at www.gsa.gov/os3.