The company is authorized by :

anre:
- for design installations of using natural gas which operate under pressure lower than or equal to 6 bar, authorization type PDI
- in order for execution, verification and revision of natural gas which operate under pressure lower than or equal to 6 bar, authorization type EDI.
iscir:
- CR4 for the execution of installation, preparation, maintenance and technical verification of use for:
- fuel consuming devices with P ≤ 400 kW
- hot water boilers with P≤400 kW
- low pressure steam boilers with Q≤0,6 t/h.

ISU:
- for installation and maintenance of the limit fire protection systems and installations, except those containing certain fluorinated greenhouse gases.
Agrement ISO :
In 2009 S.C. Nisal S.R.L implemented and certified Integrated Management System Quality, Environmental and Occupational Safety and Health ISO9001:2000, ISO 14001:2004, ISO 18001:2007.