1) Polish Information and Foreign Investment Agency - Invest in Poland, www.paiz.gov.pl

2) Randstad, www.randstad.pl

3) Takenaka, http://www.takenaka.pl lub http://www.takenaka.de

4) PricewaterhouseCoopers, http://www.pwc.com/pl

5) Public - Private Partnership Center, http://centrum-ppp.pl

6) Taxonity, http://www.taxonity.pl

7) ABBEYS, http://www.abbeys.com.pl