Event Details The 2015 Internal Revenue Service (IRS) Oxon Hill Technology Exposition is a one-day exposition held on-site, where industry vendors will have the opportunity to display their products and services to personnel that may otherwise be unattainable.Held at the Constellation Centre, this location houses over 300 Procurement and Acquisition personnel for IRS. The event sponsor, IRS Small Business Programs Office, helps FBC with promot...