South African Municipal Workers' Union
The South African Municipal Workers Union (S.A.M.W.U) is the largest local-government  in South Africa. It was founded in 1987 and has a membership around 160,000.

Membership of the union is open to South African workers employed, directly or indirectly, in the local authority, water utilities and allied undertakings of the economy whether in the public, private or voluntary sector, including: public administrative services in municipalities and local authorities, health and social services, libraries, cultural and other community services, water and sanitation, solid-waste management and environmental services, road construction and storm-water drainage, electricity generation and distribution, public transportation and traffic control, telecommunication and information services, scientific and technical services, and parks and recreation.  S.A.M.W.U is affiliated with the congress of South African trade unions.

Leadership

President            : John Dlamini\
1st Deputy President : Nelson Mokgoto
2nd Deputy President : Pricilla Ntsuba
National Teaturer    : Zukiswa Vezi\
General Secretary    : Koena Ramotlou
Deputy General Sec   : Dumisani Magagula

 SAMWU official site.