Aerial power: EN Projects chief executive officer Shaun Jacobson briefing Hishammuddin and Liow during their official visit to the venue for the coming Lima 2017. LANGKAWI: A total of 505 companies from 36 countries will be taking part in the five-day Langkawi International Maritime and Aerospace 2017 here starting from March 21. Defence Minister Datuk Seri Hishammuddin Hussein said the showcase would feature half of the world’s top 100 maritime and aerospace suppliers.