NBIK LLC (National Building Infrastructure Kaizen) is a Mongolian industrial construction and EPC contractor founded in 2010, headquartered in Khan-Uul District, Ulaanbaatar. Its services span building construction and installation, mechanical and electrical systems, concrete production and geodetic survey, alongside catering, manpower supply and equipment rental. The company has worked as a contractor on the Oyu Tolgoi project for over six years.
