Appian expands its reach in the global public sector to digitally transform processes and operations MCLEAN, Va., Oct. 30, 2024 /PRNewswire/ -- Appian (Nasdaq: APPN) today announced it has welcomed the US Department of the Interior (DoI) to its customer portfolio of US federal clients. With this milestone, Appian is now working with all 15 cabinet-level agencies within the US federal government, as the DoI collaborates with Appian to advance its acquisition modernization initiatives. Appian is now working w ...