LMRS is member of
- European Ceramics Society;
- Baltic Material Society Association;
- European Material Society Federation.
LMRS is represented:
- Construction Standards Technical Committee;
- Building Material Standards Technical Committee.
LMRS cooperates with:
- Building materials technical Committee of Latvian National Accreditation Bureau;
- Timber and its precessing products technical Committee of Latvian National Accreditation Bureau.