As our corporate logo suggests, NGK Spark Plugs (the company) sells and markets products under two brand names: NGK Spark Plugs and NTK Technical Ceramics.

Our company's business activities are divided into three groups: Automotive Components, Communications Components and Technical Ceramics. All the products manufactured, spark plugs and leads excepted, carry the NTK brand. Unbeknown to many is the product range and global reputation of NGK Spark Plug Co. Ltd as a specialist supplier of high-tech ceramics products to a broad range of industries. Customers of the NTK products include some of the biggest names in the electronics and telecommunications world; INTEL, NOKIA, MOTOROLA, ERICSSON, ALCATEL, HONEYWELL and many more. 

Below is a tree diagram that Illustrates the divisions within our company followed by a brief description of each division's activities.