ˈæmtɹæk, ðə nˈæʃənəl ɹˈeɪlɹoʊd pˈæsɪndʒɚ kˌɔːɹpɚɹˈeɪʃən ʌvðə juːnˈaɪɾᵻd stˈeɪts, wˌɪtʃ hɐz ɐ ɹᵻpˈoːɹɾɪŋ mˈɑːɹk ˈæmtk
Amtrak, the National Railroad Passenger Corporation of the United States, which has a reporting mark AMTK