ðə jˈuːniən wʌz ɐn ˈɜːli ɐfˈɪlɪˌeɪt ʌvðə noːɹwˈiːdʒən kənfˌɛdɚɹˈeɪʃən ʌv tɹˈeɪd jˈuːniənz, ænd wʌz ɪnˈɪʃəli ɪts lˈɑːɹdʒɪst mˈɛmbɚ, wɪð twˈɛnti fˈaɪv,zˈiəɹoʊzˈiəɹoʊ zˈiəɹoʊ mˈɛmbɚz baɪ nˈaɪntiːnhˈʌndɹɪd sˈɛvən.
The union was an early affiliate of the Norwegian Confederation of Trade Unions, and was initially its largest member, with 25,000 members by 1907.