and Audiovisual Workers - SINTTAV Lisbon Textile, Wool, Clothing, Footwear and Leatherworkers Union of the South Lisbon Union of River, Coastal and Merchant Marine Transport Lisbon Union of Road and Urban Transport Workers of Portugal - STRUP Lisbon Union of Electrical Industries of the South and Islands - SIESI Lisbon Union of Workers in the Footwear, Bags and Related Industries of the Districts of Aveiro and Coimbra Union of Northern Cork Workers Union of Dairy Professionals Union of Workers of the Transforming Industries, Energy and Environmental Activities of the Center North - SITE CN Aveiro Textile Sector Workers Union Union of Footwear, Bags and Related Products, Components, Shapes and Tanneries of Minho and Trás-os-Montes Trade Workers Union, Offices and Services of Minho Union of Construction, Timber, Marble, Quarry, Ceramic and Related Workers, North Region of the Douro River Baga District Tanning Industry Workers Union Union of Workers in the Industry and Trade of Bakery, Milling, Confectionery, Pastry and Similar in Minho Textile Union of Minho and Trás-os-Montes Northern Clothing, Apparel and Textile Workers Union Beira Baixa Textile Sector Workers Union Union of Workers in the Ceramic, Cement, Construction, Wood, Marble and Similar Industries of the Central Region Union of Workers in Public and Social Functions of the Centre Union of Workers in the Hospitality, Tourism, Restaurants and Similar Industry of the Centre Zona Centro Doctors Union - SMZC Fishermen's Union of the District of Coimbra Union of Teachers of the Center Region - SPRC Union of Textile, Wool and Clothing Workers of the Centre South Zone Teachers Union - SPZS Union of Workers in the Canning Industry and Related Crafts of the District of FARO Union of Workers in the Algarve Hotel, Tourism, Restaurant and Similar Industry Southern Fisheries Workers Union Union of Textile Sector Workers of Beira Alta Center Fisheries Workers Union Glass Industry Workers Union Union of Cork Workers of the District of Portalegre Northern Food Industry Workers Union - STIANOR National Union of Workers in the Beverage Industry and Commerce Northern Meat Workers Union Union of Workers in the Ceramics, Cement and Similar Industries of the North Region Union of Health Sciences and Technologies Union of Construction Workers, Timber, Marble, Quarry, Ceramics and Construction Materials of Portugal Trade Union of Tannery Industry Workers Union of Stoves, Energy and Manufacturing Industries - SIFOMATE Northern Civil Service Workers Union - STFPN Northern Hospitality, Tourism, Restaurants and Similar Industry Workers