1. Arabian Pipeline & Services Co.Ltd. (Anabeeb)
2. Technivac Ltd
3. Dickinson Group of Companies
4. Mourik Inc.
5. Catalyst Handling Resources LLC (CHR)
6. Cat Tech International Ltd
7. CR3 Group
8. Buchen-ICS Industrial-Catalyst-Service GmbH
9. Group Peeters
10. Kanooz Industrial Services