?- Armastek
- Captrad
- Composite Group Chelyabinsk
- Dextra Group
- Fiberline Building Profiles A/S
- Galen
- Kodiak Fiberglass Rebar LLC
- Marshall Composite Technologies LLC
- Nanjing Fenghui Composite Material Co. Ltd.
- Pultron Composites
- Schock Bauteile GmbH
- Technobasalt-Invest LLC
- Tribeni Fibres Pvt. Ltd.