1. Aipu Solids Control
2. ARMOS EXIM L.L.C.
3. ASAP Fluids Pvt. Ltd.
4. Augean PLC
5. Baker Hughes Company
6. Bowron Environmental Group Ltd.
7. CCI Solutions
8. Clear Environmental Solutions
9. CVA Group
10. Derrick Equipment Company
11. Gen7 Environmental Solutions Ltd.
12. GN Solids Control
13. Halliburton Company
14. Hebei GN Solids Control Co. Ltd.
15. Imdex Limited
16. KOSUN Machinery Co. Ltd.
17. National Oilwell Varco Inc.
18. Nuverra Environmental Solutions by Select Water Solutions
19. Qmax Colombia
20. Ridgeline Canada Inc. by Ambipar Group
21. SAS Environmental Services
22. Schlumberger Limited
23. Scomi Group Berhad
24. Secure Energy Services Inc.
25. The Initiates PLC
26. Turnkey Environmental Management Services Limited
27. Weatherford International PLC
28. Wellsite Environmental Inc.
29. Xian KOSUN Environmental Engineering Co. Ltd.