LH Marthinusen is an environmentally responsible business and holds accreditation by SACAS for ISO 14001:2004.
Click here to download the SACAS ISO 14001:2004 Certificate

LHM Marthinusen Johannesburg is fully accredited by the South African Bureau of Standards in terms of the ISO9001/2000 Quality System.
Click here to download the SABS ISO 9001 Certificate.
LHM is an accredited processor and supplier of insulating oil used in transformers and switchgear.
Click here to download the SANS 555 Certificate.