Its current membership exceeds 2,700 and it "serves as an umbrella organization for more than fifty institutional members and thirty-six affiliated organizations".
ɪts kˈɜːɹənt mˈɛmbɚʃˌɪp ɛksˈiːdz tˈuː,sˈɛvənhˈʌndɹɪd ænd ɪt "sˈɜːvz æz ɐn ʌmbɹˈɛlə ˌɔːɹɡɐnᵻzˈeɪʃən fɔːɹ mˈoːɹ ðɐn fˈɪfti ˌɪnstɪtˈuːʃənəl mˈɛmbɚz ænd θˈɜːɾisˈɪks ɐfˈɪlɪˌeɪɾᵻd ˌɔːɹɡɐnᵻzˈeɪʃənz".