| Czech Republic | |
| ACADEMY OF SCIENCE in PRAGUE | Research |
| CKD BLANSKO | Machine tool calibrations |
| CMI | Institute of Merology |
| ELEKTROPOL | Machine tool calibrations |
| INSTITUTE OF SCIENTIFIC INSTRUMENTS in BRNO | Research |
| KOVOSVIT Holoubkov | Machine tool calibrations |
| KOVOSVIT SEZIMOVO USTI | Machine tool calibrations |
| OPTAGLIO | Electron beam lithography |
| OSTROJ OPAVA | Machine tool calibrations |
| PRIMA Bilavcik | CMMs calibrations |
| SKODA AUTO | Machine tool calibrations |
| TECHNICAL UNIVERSITY in PILSEN | Research |
| TOS CELAKOVICE | Machine tool calibrations |
| TOS KURIM | Machine tool calibrations |
| TOS LIPNIK | Machine tool calibrations |
| UNIVERSITY in PILSEN | Research |
| VAPOS | Machine tool calibrations |
| VITKOVICE OSTRAVA | Machine tool calibrations |
| ZPS ZLIN | Machine tool calibrations |
| Finland | |
| OyTeraskonttori | Metrology |
| France | |
| ELFIE | Machine tool calibrations |
| ESGT | Calibration of geodetic tapes |
| OPTILAS SYSTEMES | Metrology |
| Germany | |
| JENOPTIK GmbH | Wafer tester |
| PASIM GmbH | Calibration of linear drives |
| PRAZI - TEC | Machine tool calibrations |
| PTB | Selected units only |
| TECHNISCHE UNIVERSITAT in Dortmund | Research |
| TECHNISCHE UNIVERSITAT in Ilmenau | Research |
| India | |
| HIMSON TEXTILE ENGINEERING | Machine tool calibrations |
| SITARC | Machine tool calibrations |
| VHS MECHATRONICS | Machine tool calibrations |
| Italy | |
| HARDWARE&SOFTWARE | Calibration of linear scales |
| PRIMATEK | Metrology |
| REMAK | Machine tool calibrations |
| Japan | |
| NEOARK | Machine tool calibrations |
| Korea | |
| NATIONAL COLLEGE | Research |
| Slovak Republic | |
| KOMENSKY UNIVERSITY | Research |
| METRONA | Metrology |
| SMU | Institute of metrology |
| TRENS | Machine tool calibrations |
| US STEEL SK | Metrology |
| Slovenia | |
| ULTRA | Machine tool calibrations |
| ZAG | Civil engineering, measurement of bridges under load |
| Spain | |
| AIDO | Research (optics) |
| DENA LASER | Metrology |
| UNIVERSITY of VALENCIA | Development of ATLAS Chamber for LHC in CERN |
| Thailand | |
| MAXIS MOTION | Machine tool calibrations |
| Turkey | |
| EAE Elektronik | Linear scales |
| Ukraine | |
| NKMZ | Machine tool calibrations |
| USA | |
| DAVIDSON OPTRONICS | Metrology |
| LOCKHEED MARTIN | Metrology |
| PRATT & WHITNEY | Measurment system in lenghtmeters |
| SARGON | Calibration of linear scales |