Dedicated to quality, INEL – MONTAŽA has certified and implemented an integrated management system.

This integrated system makes quality management, environment, health and safety at work and a special quality management system in the oil and petrochemical industry as well as in the natural gas industry.

An integrated management system is based on the following standards:

ISO 9001

ISO 14001

OHSAS 18001

ISO / TS 29001

INEL – MONTAŽA, for the testing of electric installations, of the lightning protection system on buildings and voltage characteristics of the electricity accredited by the Croatian Accreditation Agency (HAA) according to the requirements of HRN EN ISO / IEC 17025.

HRN EN ISO / IEC 17025

In addition, INEL – MONTAŽA is under the technical supervision of the Department for Explosive Atmospheres of the Civil Protection Directorate of the Ministry of the Interior (which took over the tasks of former Ex – Agency) for installation, measurement, testing, maintenance and repair activities in explosive atmospheres.


INEL – MONTAŽA also has a solution of the Ministry of Interior for performing private protection activities – technical protection.


The company also has a SCC certificate for construction and installation and maintenance of plant and infrastructure in the oil, petrochemical and natural gas industries