National Union of Metalworkers of South Africa

The National Union of Metalworkers of South Africa (NUMSA) is the biggest single trade union in South Africa with more than 338,000 members, and prior to its expulsion on 8 November 2014, the largest affiliate of the Congress of South African Trade Unions (COSATU), the country’s largest trade union federation. — Wikipedia

SA’s ‘biggest March Ever’ Against Corruption in the Works -

Around 29 civil organisations & 8 unions are planning a march against corruption on 19 August.