OS3 Virtual Industry Engagement Event Recorded Session is now Available! Submitted by fssios3blogger on Monday, January 13, 2014 - 4:49 PM Did you find this video helpful? If you have any feedback, please post those below. 11Tags: fssi os3office suppliesRFPGroups audience: Federal Strategic Sourcing Initiative (FSSI) - Office Supplies (OS4) Share × Views: 1339