 The TransPort Building, developed by Schiphol Real Estate, houses both Martinair and Transavia, which moved into TransPort on 3 May 2010.Construction on the building, which has of lettable space, began on 17 March 2009.Schiphol Group and the architect firm "Paul de Ruiter" designed the building, while De Vries and Verburg, a firm of Stolwijk, constructed the building.