The Myanmar Directorate of Defence Industries (D.I.) (Burmese: ကာကွယ်ရေး ပစ္စည်းစက်ရုံများ ညွှန်ကြားရေးမှူးရုံး; BGN/PCGN: Kagwèye Passizetyônmya Hnywan-Gyayehmuyôn), commonly known as Directorate of Defence Industries, Karkweye Pyitsu Setyoun, or its abbreviation, Ka Pa Sa, is a state-owned enterprise that is officially part of the Tatmadaw. DI is responsible for producing military equipment throughout the country for the Myanmar Army, the Myanmar Navy and the Myanmar Air Force. It is the only company that has monopolized firearms production.