Contact Us Thank you for your interest in maximizing small business utilization in support of the Army. We can be reached at: Army Office of Small Business Programs (OSBP) 106 Army Pentagon, Room 3B514 Washington, DC 20310-0106 Main Line: 703-697-2868 Email: usarmy.pentagon.hqda-osbp.mbx.ArmySmallBusinessInbox@mail.mil Follow us: Facebook LinkedIn Twitter