Ribarska Sreshta Hotel place Tsarevo, Tsarevo Harbour, Kv. Basiliko 510 public http://www.hotelribarska.com/home_en.html
LOTUS OIL TRADE - Export and import fuel oil from Bulgaria place Търнене, улица Върбишка №, п.к. 5882 public https://lotusoil.bg/
Institute of Philosophy and Sociology at BAS place Sofia, №4, Serdika street public http://ips-bas.org/
PM Ingenieurgemeinschaft GmbH place Sofia, Boulevard Gen. M. Skobelev 62 A public http://www.pm-engineering.eu