The company has its own quality management system, where it includes organizational units operating in different fields of calibration and legal authentication (*):
QSlab ECHO
ECHO d.o.o.
QSlab IMS
IMS industrijski merilni sistemi d.o.o.
QSdel AVTO KRKA ISO
AVTO KRKA ISO d.o.o.
QSdel Markič
Markič Franc s.p
QSL LOTRIČ Control
LOTRIČ Control d.o.o. Mostar, Bosnia and Herzegovina
QSL LOTRIČ Metrologija
LOTRIČ Metrologija d.o.o. Kragujevac, Serbia
QSL LOTRIČ Metrologija
LOTRIČ Metrologija d.o.o. Negotino, Macedonia
QSL TEHNIČAR Servag
TEHNIČAR Servag d.o.o. Zagreb, Croatia