• VACUUM SEWER SYSTEM OF SKALA FOURKAS, MOLA KALIVA, POSEIDI, EGIOPELAGITIKA
  • VACUUM SEWER SYSTEM OF ARISTOTLE UNIVERSITY OF THESSALONIKI CAMP IN POSEIDI - CHALKIDIKI 
  • VACUUM SEWER SYSTEM OF COMMUNITY CHALASTRA, MUNICIPALITY DELTA
  • VACUUM SEWER SYSTEM  AND PUMPIMG STATIONS OF COMMUNITY ANATOLIKO, MUNICIPALITY OF CHALASTRA 
  • VACUUM SEWER SYSTEM OF COMMUNITY PLATEOS, MUNICIPALITY PLATEOS 
  • VACUUM SEWER SYSTEM OF COMMUNITY KIMINON, MUNICIPALITY DELTA
  • VACUUM SEWER SYSTEM OF COMMUNITIES MITROYSI AND SKOUTARI, SERRES