Kemgbe afọ 1947, a na-eme ISA International Sign Expo kwa afọ na Amerịka na Machị ma ọ bụ Eprel, na-agbanwe ebe dị iche iche n'etiti Orlando na Las Vegas. Dịka nnukwu ihe ngosi na ụlọ ọrụ ihe ngosi, eserese, mbipụta na nkwukọrịta anya, ISA Sign Expo na-adọta ọtụtụ ndị ọkachamara n'ụwa kwa afọ. Na ISA Sign Expo, ị ga-ahụ ọtụtụ igwe na-emepụta ihe nrịbama na mbipụta ọgbara ọhụrụ.
A ga-eme ISA Sign Expo 2019 site na Eprel 23 ruo Eprel 26, 2019 na Mandalay Bay Convention Center dị na Las Vegas, Nevada.
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