In Mexico you have (from what I remember):
Nilgai : Chapultepec zoo , San Juan de Aragon zoo , Zacango zoo , Morelia zoo
Impala : Guadalajara zoo , Leon zoo , Zacango zoo , Morelia zoo
Nyala : Chapultepec zoo (These may have passed away since)
Blackbuck : Chapultepec zoo , Guadalajara zoo , Morelia zoo , Zacango zoo , San Juan de Aragon zoo
Roan Antelope : Chapultepec zoo
Lechwe : Chapultepec zoo , Morelia zoo , Zacango zoo , San Juan de Aragon zoo
Bongo : Zacango zoo (There was one individual years ago though it may have died in the years since)
Sable antelope : Morelia zoo
Gemsbok : Chapultepec zoo , San Juan de Aragon zoo , Zacango zoo , Morelia zoo
Eland : Chapultepec zoo , San Juan de Aragon zoo , Guadalajara zoo , Morelia zoo , Leon zoo , Zacango zoo
Waterbuck : Chapultepec zoo , San Juan de aragorn zoo , Guadalajara zoo
Scimitar horned oryx : Chapultepec zoo , Guadalajara zoo , Morelia zoo , Leon zoo
Wildebeest : Chapultepec zoo , San Juan de Aragon zoo , Guadalajara zoo , Leon zoo
I also think there may have been a species of duiker kept at Zacango zoo or at least I seem to remember having seen one there years ago but honestly I can't be 100 % sure of that.