ISS extends T2 and T4 deal with Heathrow and adds Terminal 3 to remit July 8, 2018 by Simon Carter ISS has secured an extension to its contract with Heathrow to provide soft services to Terminal 2 and Terminal 4 until December 2022. http://www.fm-world.co.uk/news/iss-extends-t2-and-t4-deal-with-heathrow-and-adds-terminal-3-to-remit/ News from FM World