Donald Trump has made his call for a wall along the U.S.-Mexico border a signature feature of his campaign for the presidency and his first year in office. A symbol of the rising tide of xenophobia and nationalism, the wall may be popular with Trump’s base, but is wildly unpopular with the public at large. This report looks at a set of players who are generally left out of Trump’s narrative about the wall, but who have positioned themselves to be direct beneficiaries: the investors who could enjoy financial gain from its construction.