| BEV | Austria | Federal Office of Metrology and Surveying |
| CMS | Taiwan ROC | Center for Measurement Standards |
| KRISS | Korea | Korea Research Institute of Standards and Science |
| NML | Ireland | National Metrology Laboratory |
| NRLM | Japan | National Research Laboratory of Metrology |
| SISIR | Singapore | Singapore Institute of Standards and Industrial Research |
| SMIS | Slovenia | Standards and Metrology Institute (link not operational) |