Locking systems
- Aug. Winkhaus Telgte (Germany)
- CILLOC Merelbeke (Belgium)
- FUHR Benelux Ede (Netherlands)
- GRETSCH-UNITAS Belgium Brasschaat (Belgium)
- MACO Beschläge Zelhem (Netherlands)
- Protec International Wichelen (Belgium)
- Roto Frank Zaventem (Belgium)