Union Northern Doctors Union Northern Manufacturing, Energy and Environmental Activities Workers Union - SITE NORTE Northern Fisheries Workers Union Northern Teachers Union - SPN Union of Health, Solidarity and Social Security Workers Union of Workers in the Textile, Clothing, Footwear and Tannery Sectors of the District of Porto - SINTEVECC Union of Transport Workers of the Metropolitan Area of Porto Northern Road and Urban Transport Workers Union - STRUN National Union of Professionals in the Industry and Trade of Clothing and Textiles - SINPICVAT Union of Food Industry Workers of the Centre, South and Islands National Union of Workers in the Tanning Industry and Related Trades of the District of Santarém Portuguese Physiotherapists Union Union of Workers of Manufacturing Industries, Energy and Environmental Activities of the South - SITE SUL Union of Civil Construction, Timber, Marble and Quarry Workers of the District of Viana do Castelo Union of Workers of the Metallurgical and Metalworking Industries of the District of Viana do Castelo National Union of Funchal Warehouse Professionals Free Union of Workers in the Embroidery, Tapestry, Textile and Handicraft Industry of the Autonomous Region of Madeira Union of CONSTRUCTION, Timber, Pottery and Related Workers of the Autonomous Region of Madeira - SICOMA Union of Workers in the Electric Energy Production, Transport and Distribution Sector of the Autonomous Region of Madeira - STEEM Union of Nurses of the Autonomous Region of Madeira - SERAM Union of Office, Commerce and Services Workers of the Autonomous Region of Madeira - SITAM Union of Civil Service Workers of the Autonomous Region of Madeira - STFP-RAM Union of workers in the HOSPITALITY, Tourism, Food, Services and Similar of the Autonomous Region of Madeira Madeira Teachers Union - SPM Union of Road Workers and Metallurgical Activities of the Autonomous Region of Madeira Azores Region Teachers Union - SPRA Azores Food, Beverage and Similar, Commerce, Office and Services Workers Union - SABCES Horta Civil Construction Union Union of Office, Commerce and Services Employees of Horta Union of Transport, Tourism and other Horta Professionals Free Trade Union of Maritime Fishermen and Related Professionals of the Azores Union of Professionals from the Manufacturing Industries of the Islands of São Miguel and Santa Maria Transport, Tourism and Other Services Professionals Union of São Miguel and Santa Maria Teachers Abroad Union General Secretaries 1974: Francisco Canais Rocha 1974: Post vacant 1977: Armando Artur Teixeira da Silva 1986: Manuel Carvalho da Silva