MSA is the industry leader in the development, manufacture and supply of sophisticated products that protect people's health and safety.

Extrel is the world's leading manufacturer of Research and Process Mass Spectrometers, Residual Gas Analyzers (RGA's), Quadrupole Mass Spectrometry Systems and Components.

Servomex established itself as the leading provider of reliable, accurate and stable gas measurement solutions to industries across the globe.

Setra designs and manufactures a broad line of pressure, vacuum, humidity, and current sensing instruments.

Kaiser Optical Systems is a world leader in spectrographic instrumentation and applied holographic technology.