American Staffing Association, Organizer notice (Feb. 4, 2020) (Ex. SEC-19-GM-028)
Reed Exhibitions (RX) with the Security Industry Association, Organizer notice (Mar. 6, 2020) (Ex. SEC-19-GM-004)
The Experience Inc. (Experience Events), Organizer notice (Mar. 17, 2020) (Ex. SEC-19-GM-016)
Department of Homeland Security, Cybersecurity and Infrastructure Security Agency (CISA), Guidance on the Essential Critical Infrastructure Workforce, Version 1.0 (Mar. 19, 2020) (Ex. SEC-19-001)
