EN

YSB Group's companies are certified to the following standards:
The companies in the YSB Group have been awarded a wide range of classifications. A further basis for success.
The Group’s classification includes:
Construction (Civil Engineering)
C
5
100
Bridges
C
4
300
5
Electricity
A
5
160
5
Construction of of communication lines
A
5
240
5
Construction of Electricity Lines
A
5
250
5
Road and Street Lighting
A
5
270
5
Installation of Traffic Lights
A
5
280
5
Roads Infrastructures and Development
C
5
200
5
Air Conditioning Installations
B
5
170
5
Sewage drains and sanitation facilities
A
5
190
3
Sewage Drainage and Water
B
4
400