USDOE’19 18th Annual Small Business Forum & Expo: April 16-19, 2019. Posted on April 15, 2019April 18, 2019 by Teradactyl News Visit with Teradactyl at Table #14 during the 18th Annual U.S. Department of Energy (DOE) Small Business Forum & Expo in Pittsburgh April 16-18 2019. Posted in Teradactyl Announcements.