Our main manufacturing facilities and offices are described below.

Located in central Tokyo. Houses our Senior Management team, Domestic and International Sales Operations, Administration and Accounting.

Located in suburban Tokyo. Houses our Design and Engineering Teams, On-line industrial instruments manufacture and final assembly, parts inventory.

Located in Sayama Prefecture (next to Tokyo prefecture). Houses our Laboratory and Portable Instrument manufacturing and assembly teams.

Our largest factory by area. Located in Yamagata Prefecture (north part of main island of Japan). Houses our discrete component manufacturing teams such as circuit board manufacture and glass electrode manufacture. As a subsidiary company of DKK-TOA, DKK-TOA Yamagata also manufacture and sell comlplete instruments.

Located in Tokyo, this is where our Research and Development teams carry out their activities.

Located in the university city of Cambridge UK, the European Branch offices handles DKK-TOA's business activities in Europe, Africa and Middle East.