We wish to sincerely thank those who believed in our project and supplied for free loads of wood samples:
| Carlo Pisani | Molfetta, Italy | Samples from many different boat-building woods | |
| FPL Parquet | Monte Porzio, Italy | https://fplparquet.it | Samples from 18 different wood flooring species |
| Seralvo SPA | Meda, Italy | https://www.seralvo.com | Samples from 44 different wood species |
| Linea Legno | Maron di Brugnera, Italy | https://linealegno.business.site | Samples from many different logs of 10 wood species |
| Alessandro M. | Vazzola, Italy | www.ktar.it | Samples from typical guitar-making woods |
| Ciresa Tonewood | Tesero, Italy | www.ciresafiemme.it | Samples from many different logs of Fiemme Spruce |
| Evolution Panels and Doors LTD | Ongar, UK | http://www.evolution-pd.com/ | Samples from 27 types of wood veneer |
| Pollmeier | Creuzburg, Germany | https://www.pollmeier.com | Samples of Beech wood |
| Pasqualetti Saune | Cardano al Campo, Italy | www.pasqualettisaune.it | Samples of typical woods employed in Sauna manufacturing |
| Industria Legnami Tirano | Tirano, Italy | https://www.industrialegnamitirano.it/en/ | Softwood samples |
| Re Parquet | Vanzaghello, Italy | https://www.facebook.com/ARE-Parquet-111212613615761/ | Samples from 10 different wood flooring species |
| Segheria Fabbro | Pavia di Udine | https://www.segheriafabbro.it/ | Beech samples from different logs |
| Mauro Z. | Sasso Marconi, Italy | https://www.potatura-alberi-treeclimbing.it/come-si-difende-un-albero | Samples from 14 different local species |
| AKATZ | Warcoing, Belgium | http://www.acacia-robinier.be/ | Samples from Robinia Pseudoacacia |
| Massimiliano B. | Samples from European woods | ||
| Paolo Aloe | Roma | Samples from rare Italian woods | |
| J. Fairweather | Casebrook, Christchurch, New Zealand | https://www.specialtytimbers.co.nz/ | Samples from Eucalyptus Nitens wood |
| Koa Wood Ranch | Mauna Kea, Hawaii | https://koawoodranch.com/ | Samples from 7 different Koa logs |
| J. De Quesada Alzamora | Finland | Rare woods samples | |
| P. Hinds | NY, USA | http://hobbithouseinc.com/personal/woodpics/ | Samples from over 60 wood species |
| Bog-Oak Moorwald | Germany | https://instagram.com/bogoak_distribution?r=nametag | Samples from 4 different bog oak logs |
| P. Veerkamp | OK, USA | shrrkey101@hotmail.com | Samples from many different “Green Osage Orange” logs. |
| Tim Connell | IL, USA | Samples from local hardwoods | |
| Frank Deel, from 2feathers Creative Making | TN, USA | Samples from local hardwoods | |
| J.B. Utay | TX, USA | Samples from local hardwoods | |
| D. Podda | Cagliari, Italy | Quartersawn Meranti samples | |
| NEHOSOC | Monster, Holland | www.nehosoc.nl | Tens of rare woods samples |
| Proverbio Legnami | Saronno, Italy | Samples from local wood species | |
| Animaverde Giardiniere | Ferno, Italy | Animaverde Giardiniere | Logs from ornamental trees |
| Veleca | Verano Brianza, Italy | https://www.veleca.it/ | Finish samples |
| G. Martini | Torino, Italy | Hazelnut tree logs | |
| Cesare Pozzoli SNC / Rumore legno | Mariano Comense, Italy | https://www.rumorelegno.it/ | Veneer samples from many local and exotic species |
| G. Saladini and C. Lelli | Comacchio, Italy | Eleagnus Angustifolia logs | |
| Frigerio Angelo SAS | Cesano Maderno, Italy | https://www.frigerionline.it/ | Veneer samples |