By 1988, Directorate of Signals command one training depot, eight signal battalions, one signal security battalion, one signal store depot and two signal workshops.
2.
In the Signal Workshop in Sundbyberg ( " Signalverkstaden i Sundbyberg ", SIS ) was included in the Field Telegraph Corps, which in 1940 added the newly established Defense Department's Engineering Committee ( " F�rsvarsv�sendets verkstadsn�mnd " ).