- ČEZ a.s.
- DOOSAN BABCOCK Ltd., United Kingdom
- DOOSAN Lenties GmbH, Germany/Czech Republic
- Hitachi Will Inova, Switzerland
- Alpiq Generation (CZ) s.r.o., Czech Republic
- Habscheid, Germany
- TENZA, a.s. Brno, Czech Republic
- GEFA GmbH, Konstanz GERMANY
- FISIA BABCOCK ENVIRONMENT, Gummersbach, Germany
- ANDRITZ AG, Raaba, Austria
- AHV GmbH, Germany
- Vodňanská poultry a.s., Czech Republic
- VÍTKOVICE, a.s., Czech Republic DRIVE
- LURGI BISCHOFF Essen, Germany
- Chemoprojekt Nitrogen a.s. Prague, Czech Republic
- Karel Dvořák group, Tábor, Czech Republic