CERTIFICATES
- QMS CSN EN ISO 9001
- EMS CSN EN ISO 14001
- The system of the security and protection of health management at work according to ÈSN OHSAS 18001
- The information security management system according to ÈSN ISO/IEC 27001
- Construction, alteration and removal of buildings
- Engineering in preparation and implementation of construction
- Designing in construction
- Assembly and repairs of reserved pressure equipment
- Plumbing and heating engineering
- Assembly, repairs and checkups of reserved gas equipment and filling containers with gas
- Production, installation and repairs of cooling equipment
- Insulation engineering
- Installation and repairs of ventilation equipment
- Designing of electric equipment
- Assembly, repairs and checkups of reserved electrical equipment
- Production of low voltage distributors, batteries, cables and wires
- Production, installation and repairs of electronic equipment
- Production, installation and repairs of electrical machines and apparatuses
- Assembly, maintenance and servicing of telecommunication equipment
- Providing technical services relating to protection of property and health
- Checkups and tests of reserved gas equipment on a contractor basis
- Assembly, repairs, restoration, checkups and tests of reserved pressure equipment
- Assembly, repairs, checkups and tests of electrical equipment on a contractor basis
- Assembly and repairs of reserved gas equipment








