Mendasarkan
Xavier Institute, Salem Pusat, Westchester County, New York State, (mantan) The Alley (di bawah Manhattans permukaan), X-Factor Apakah kapal luar angkasa hidup
Serval Industries, Virginia; sebelumnya X-Factor Investigasi Markas, Starjammer; Xavier Institute for Higher Learning, Salem Pusat, Westchester County, New York; Genosha; X-Factor HQ, Washington DC, Maryland; Mutan Research Center, Muir Pulau;