| | Ingenieria e Industrias Bioenergeticas SL | research and technology organisation | Spain |
| | Institute of Wood Technology * Instytut Technologii Drewna | research and technology organisation | Poland |
| | Belgian Building Research Institute | research and technology organisation | Belgium |
| | Geological Survey of Finland * Geologian Tutkimuskeskus | research and technology organisation | Finland |
| | Stichting Nederlands Normalisatie-Instituut * Foundation Dutch Normalization Institute | research and technology organisation | Netherlands |
| | Evoluzione della Ricerca Industriale nel Comprensorio Apuano Scarl | research and technology organisation | Italy |
| | CEVALOR - Centro Tecnológico para o Aproveitamento Valorização Rochas Ornamentais Industriais | research and technology organisation | Portugal |
| | National Laboratory of Energy and Geology I.P. * Laboratorio Nacional de Energia e Geologia I.P. | research and technology organisation | Portugal |
| | Building Research Institute * Instytut Techniki Budowlanej | research and technology organisation | Poland |
| | CBI Concrete Institute * CBI Betonginstitutet AB | research and technology organisation | Sweden |
