DSA Exhibition And Conference Sdn Bhd, a Malaysian-owned company was established with one objective; to successfully organize the Defence Services Asia series of exhibitions and conferences hand-in-hand with the Malaysian Government. Our People The people who make up the DSA Team comprise a group of focused personnel who are experts in their field and who have years of exhibition experience. Our History The DSA series of exhibitions and conferences was first initiated in 1988 with the purpose of offering global manufacturers and service providers direct access to the world’s top-level defiance experts and government security decision-makers.