Exhibit 21.1
Subsidiaries
of
Newpark Resources, Inc.
December 31, 2011
1. | NEWPARK MATS & INTEGRATED SERVICES LLC | |
2. | DURA-BASE DE MEXICO S.A. DE C.V. | |
3. | DURA-BASE NEVADA, INC. | |
4. | EXCALIBAR MINERALS LLC | |
5. | NEWPARK CANADA, INC. | |
6. | NEWPARK CANADA HOLDINGS LIMITED PARTNERSHIP | |
7. | NEWPARK CANADA INVESTMENTS LIMITED PARTNERSHIP | |
8. | NEWPARK DRILLING FLUIDS LLC | |
9. | NEWPARK ENVIRONMENTAL SERVICES LLC | |
10. | NEWPARK ENVIRONMENTAL MANAGEMENT COMPANY, L.L.C. | |
11. | NEWPARK ENVIRONMENTAL SERVICES MISSISSIPPI, L.P. | |
12. | NEWPARK ENVIRONMENTAL WATER SOLUTIONS LLC | |
13. | NEWPARK HOLDINGS NOVA SCOTIA CORP. | |
14. | NEWPARK INVESTMENTS NOVA SCOTIA CORP. | |
15. | NEWPARK TEXAS, L.L.C. | |
16. | AVA, S.P.A. | |
17. | AVA EASTERN EUROPE D.F.& S., S.R.L. | |
18. | AVA AFRICA S.A.R.L. | |
19. | AVA DEUTCHLAND GMBH | |
20. | AVA TUNISIE S.A.R.L. | |
21. | AVA INTERNATIONAL DRILLING FLUIDS LTD. | |
22. | AVA ALGERIE E.U.R.L. | |
23. | NEWPARK DRILLING FLUIDS do BRASIL TRATAMENTO de FLUIDOS LTDA. | |
24. | AVA PANNONIA | |
25. | DBM SERVICIOS, S.A. de C.V. | |
26. | NEWPARK DRILLING FLUIDS INTERNATIONAL LLC | |
27. | NEWPARK DRILLING FLUIDS PERSONNEL SERVICES LLC | |
28. | TECHNOLOGY AND ENGINEERING FOR DRILLING FLUIDS JSC | |
35. | NEWPARK LATIN AMERICA LLC | |
29. | NEWPARK PERU S.R.L. | |
30. | NEWPARK AUSTRALIA PTY LTD | |
31. | RHEOCHEM LIMITED | |
32. | PT RHEOCHEM INDONESIA | |
33. | RHEOCHEM INDIA PRIVATE LIMITED | |
34. | RHEOCHEM PACIFIC LIMITED |