在客户眼中， Instrument Systems 是行业的领头军，是光测量技术领域各种解决方案的制造者，拥有富有创造性和高性价比的产品以及一流的现代化制造工艺。
以下为部分客户的名单：
LED 测量技术
- Avago
- Barco
- Cree / Cotco
- Dominant Semiconductor
- EBV / Avnet
- Epistar
- Everlight
- Lumination / GE
- Hong Kong Science Park
- KOPTI
- Koito
- Nichia
- Osram OS
- Philips LumiLeds
- Samsung
- Seoul Semiconductor
- Siemens
- Toyoda Gosei
- Vishay
- Zumtobel
显示屏测量技术
- Airbus
- Audi
- BMW
- Boeing
- DaimlerChrysler
- Delphi Delco / GM
- Goodrich Aerospace
- Honeywell
- LG Electronics
- Lockheed Martin
- Nokia
- Panasonic
- Pixar Animation Studios
- Sony
- Thales
- US Air Force / Navy
- Valeo
- VDO Automotive
- Visteon
- Volkswagen Group
光谱辐射测量技术/光度测量技术
- Berufsgenossenschaften
- CENER Spain
- Deutscher Wetterdienst
- Forschungszentrum Jülich
- GE Lighting
- Hella
- INTA Spain
- ITRI Taiwan
- KRISS Korea
- KOPTI Korea
- National Academy of Science Minsk
- NIM China
- NIST USA
- Osram
- Philips Lighting
- PTB Deutschland
- Q-Cells
- Shell
- TU Karlsruhe
- TÜV Berlin
透射测量技术/反射测量技术
- 3M
- Agfa-Gevaert
- BASF
- Bayer Material Science
- Carl Zeiss
- Daimler Chrysler
- Gieseke & Devrient
- Isofoton
- Jenoptic
- L'Oreal
- ECN Netherlands
- JDS Uniphase (OCLI)
- OIB
- PSA Peugeot
- Roche Diagnostics
- Samsung Electro-Mechanics
- Schott Glaswerke
- TU Berlin
- Unaxis Balzers
- Unilever Research
