In most of the larger centers, chambers of commerce represent commercial, agricultural, and industrial interests. Rural cooperatives, dissolved in 1976, were reintroduced in 1982 to take over from state bodies the functions of crop purchasing and distribution of agricultural products. The Tanzania Consumers Protection Association is active.
The CCM has five principal affiliates: the Umoja Wa Wawawake Wa Tanzania, a women's organization; the Youth League; the Workers' Organization; the Union of Cooperative Societies; and the Tanzania Parents' Association.
Cultural organizations include the National Kiswahili Council, which promotes the use of the Swahili language. Social action groups include the Catholic Women Organization of Tanzania, the Center for Human Rights Promotion, National Peace Council of Tanzania, and the Tanzania Gender Networking Program. The Center for Women and Children's Rights, established in 1998, and the Huruma Rehabilitation Programme, established in 1994, are dedicated to promoting and supporting the rights and social welfare of women. Scouting and YMCA/YWCA programs are available for youth. Lion's Club programs are active as well.
International organizations with national chapters include Amnesty International, Caritas, and the Red Cross.