GRABNER INSTRUMENTS, a member of AMETEK Inc., is known as one of the most innovative companies world wide developing and manufacturing automatic petroleum testing equipment. Grabner Instruments’ success is based on the development of highly innovative, fully automated, portable, rugged and fast & easy to operate fuel and oil analyzers for the highly accurate quality control in the laboratory as well as for fast on-site tests in mobile laboratories.

ASOMA Instruments ( An Ametek Company) was established in Austin, Texas, in 1979 as one of the first companies to offer low-cost benchtop ED-XRF instrumentation. Since that time, ASOMA became established as an industry leader with the release of Phoenix and the Titan line of XRF analyzers.

Petrotest Instruments: Founded 1873 at Berlin, Germany by Mr Berthold Pensky started producing flashpoint testers ( the first Penky-Martins Flash point was born ). In 1991 company was renamed as Petrotest Instruments GmbH. Its productline is contiously expanding and growing in the global petroleum analysis market .

Precisa AG: Founded in 1935 in Zurich, Switzerland for production of mechanical calculating machines that has migrated to producing electronic precision scales during 1978. In 2005 the first Prep Ash range drying & ashing systems were introduced. In 1996 Company name is changed to Precisa Gravimetrics AG to emphasize the core business.

AD Systems: AD systems specializes in the design, manufacturing, selling and servicing of unique test equipment for the evaluation of physical properties and performances of fuels and lubricants. All of the products offered by AD systems were developed in response to specific needs within the petroleum industry. AD systems cumulates 75 years of experience in designing test equipment for petroleum industry.