The following websites offer information regarding investment opportunities in the various regions and cities Poland:

Polish Agency for Foreign Investment:
www.paiz.gov.pl

Trade and Investment Promotion Sections of Polish Embassies:
https://polska.trade.gov.pl/en/InvestinPoland

Polish Ministry of Economy:
http://www.eksporter.gov.pl/Default.aspx

American Chamber of Commerce in Poland:
www.amcham.pl