Norwegian Union of Marine Engineers (NUME) has since 1902 been an politically independent trade union for technical maritime professionals in shipping, oil and gas and technical personnel onshore. NUME’s umbrella organisations is UNIO.

NUME cooperate with trade Unions world-wide and are members of International Transport Workers' Federation (ITF), European Transport Workers' Federation (ETF), Nordic Transport Workers’ Federation (NTF), Nordiska Maskinbefälsfederationen (NMF), Nautilus Federation (NF) and participates in International Maritime Organization (IMO) og International Labour Organization (ILO).