I’ve found the Czech Republic successor of the Thonet Imperium, TON.
It’s alive and kicking and its site does provide for information in the English language.
The photo shows their Thonet no 14 interpretation.
- Thonet Chair Café Daum (no 4)
- Swiss Thonet Specialist: Dieter Staedli, Basel
- Paris Antique Shop "Au bon Usage" rooted in Thonet (Video)
- Mid-Century Chair
- Thonet no. 14 by James Irvine for Muji