Nu is a business unit of AMETEK Inc

Since joining AMETEK in July 2016, Nu has been a member of its Materials Analysis Division. AMETEK, Inc. is a leading global manufacturer of electronic instruments and electromechanical devices, consisting of the two operating groups: Electronic Instruments Group and Electromechanical Group. The Electronic Instruments Group again is divided into four market groups: Process & Analytical, Aerospace, Power and Industrial.

The AMETEK Materials Analysis Division belongs to the Process & Analytical Market Group. The companies within the division include; Nu Instruments,
Amptek, AMT, CAMECA, EDAX, SPECTRO, and Vision Research, each of which are technology and quality leaders in their markets. 

Please find further information on the AMETEK Website.