Useful links
| www.orlen.pl/en | ORLEN |
| www.ump.pl | Municipality of Plock |
| www.mazovia.pl/en/ | Mazowieckie Voivodeship |
| www.paih.gov.pl/en | Polish Information and Foreign Investment Agency |
| www.armsa.pl | Agency for Development of Mazovia |
| www.arp.pl/en | Industrial Development Agency |
| www.en.parp.gov.pl | Polish Agency for Enterprise Development |