According to the "Open Access in Portugal" report there are:
• 203 scientific journals referenced in Ulrich's Periodicals Directory;
• 26 open access scientific journals listed in Scielo Portugal;
• 33 open access scientific journals available through DOAJ - Directory of Open Access Journals.
It is intended to first contact the publishers of these journals, followed by the rest of the publishers.
Saraiva, Ricardo (2009). Open Access in Portugal: a state of the art report. Consulted February 3rd 2010, from http://projecto.rcaap.pt/.