The company's operations are certified and quality controlled by ISO 9001, ISO 14001, environmental protection and occupational safety and health management systems, OHSAS 18001 standards.

Surveying services

  • Preparation of various scale topographic plans;
  • Making of land surveying control photos of underground engineering networks and communications;
  • Other surveying works on the construction site (marking of land plots and structures, monitoring of deformations, etc.).


For surveying measurements LLC Edrija uses modern unit "LEICA TCR1205 R100" with GPS.