NEWPARK CORPORATIONS, LIMITED LIABILITY COMPANIES AND LIMITED PARTNERSHIPS ADDRESS,ST INCORP., ID NO. ,NO. SHS. DIRS/PRES. Entity St.of Sub. Emp. No. Incorp of ID No. Shs. Dir. Pres. ______ ______ ______ _____ __________ _____ B.F.C. Oil Company Louisiana Newpark 72-0868239 1,000 Cole James D. Cole 3850 N. Causeway Blvd., Ste. 1770 12/15/78 Dormant Ballantine Metairie, LA 70002 Hardey Chessher Construction, Inc. Texas Newpark 72-1286764 500 Cole James D. Cole 3850 N. Causeway, Suite 1770 1/4/95 Ballantine Metairie, LA 70002 Hardey Consolidated Mayflower Mines, Inc. Utah Newpark 87-0320149 55,000 Cole James D. Cole 3850 N. Causeway Blvd., Ste. 1770 7/21/75 Dormant Ballantine Metairie, LA 70002 Hardey Florida Mat Rental, Inc. Florida SOLOCO 72-1277728 100 Cole Ronald Latiolais 3850 N. Causeway Blvd., Ste. 1770 8/24/94 Dormant Ballantine Metairie, LA 70002 Latiolais George R. Brown Services, Inc. Texas Newpark 72-1286788 1,000 Cole James D. Cole 3850 N. Causeway Blvd., Ste. 1770 1/4/95 Ballantine Metairie, LA 70002 Hardey Iberia Barite, L.L.C. Louisiana Newpark TX 99 Cole James D. Cole 3850 N. Causeway Blvd., Ste. 1770 3/24/97 Newpark Hold. 1 Ballantine Metairie, LA 70002 Hardey INTERNATIONAL MAT, LTD. Cayman Newpark N/A Cole Ronald Latiolais 3850 N. Causeway Blvd., Ste. 1770 Islands Latiolais Metairie, LA 70002 Hardey IML DE VENEZUELA, LLC Cayman Int. Mat., Ltd. N/A Cole Ronald Latiolais 3850 N. Causeway Blvd., Ste. 1770 Islands Latiolais Metairie, LA 70002 Hardey JPI Acquisition Corp. Texas Newpark 72-1320931 1,000 Cole James D. Cole 3850 N. Causeway Blvd., Ste. 1770 Ballantine Metairie, LA 70002 Hardey Mallard & Mallard, Inc. Texas Newpark 72-1286782 500 Cole James D. Cole 3850 N. Causeway Blvd., Ste. 1770 1/4/95 Ballantine Metairie, LA 70002 Hardey Mallard & Mallard of LA, Inc. Louisiana Newpark 74-2062791 3,000 Cole Ronald Latiolais 3850 N. Causeway Blvd., Ste. 1770 7/5/79 Dormant Ballantine Metairie, LA 70002 Latiolais (Continued) Entity St.of Sub. Emp. No. Incorp of ID No. Shs. Dir. Pres. ______ ______ ______ _____ __________ _____ Newpark Environmental Louisiana Newpark 72-0770718 10,000 Cole Charles Joubert Services L.L.C. 12/22/95 Ballantine P. O. Box 31480 Joubert Lafayette, LA 70593-1480 Newpark Holdings, Inc. LA Newpark 72-1286594 100 Cole James D. Cole 3850 N.Causeway Blvd., Suite 1770 12/22/94 Ballantine Metairie, LA 70002 Hardey Newpark Texas, L.L.C. LA Newpark 72-1286789 99 Cole James D. Cole 3850 N.Causeway Blvd., Suite 1770 12/22/94 NP Holdings 1 Ballantine Metairie, LA 70002 Hardey NOW Disposal Operating Co. DE Newpark 72-1335837 Cole James D. Cole 3850 N.Causeway Blvd., Suite 1770 8/6/96 Metairie, LA 70002 Sampey Bilbo Meschi Drilling Fl TX Newpark 76-0284800 Cole James Sampey Management, Inc. Ballantine 15810 Park Ten Place, Suite 300 Hardey Houston, TX 77084 Sampey SOLOCO, L.L.C. LA Newpark 72-1286785 99 Cole James D. Cole 3850 N.Causeway Blvd., Suite 1770 12/22/94 NP Holdings 1 Ballantine Metairie, LA 70002 72-0536201 Latiolais SOLOCO FSC, INC. Barbados SOLOCO Cole James D. Cole 3850 N.Causeway Blvd., Suite 1770 1/22/97 TX, L.P. 1,000 Hardey Metairie, LA 70002 Barnes LIMITED PARTNERSHIPS-TEXAS BATSON-MILL, L.P. TEXAS NP Holdings 72-1284721 1% Ed Doss 3850 N.Causeway Blvd., Suite 1770 NP Texas LLC 99% Manager Metairie, LA 70002 NEWPARK ENVIRONMENTAL SERVICES, L.P. TEXAS NP Holdings 72-1312748 1% NP Texas LLC 99% NEWPARK SHIPHOLDING TEXAS, L.P. TEXAS NP Holdings 72-1286763 1% 3850 N.Causeway Blvd., Suite 1770 NP Texas LLC 99% Metairie, LA 70002 NID, L.P. TEXAS NP Holdings 72-1347084 0 3850 N.Causeway Blvd., Suite 1770 NP Texas LLC 1 Metairie, LA 70002 (Continued) Entity St.of Sub. Emp. No. Incorp of ID No. Shs. Dir. Pres. ______ ______ ______ _____ __________ _____ SOLOCO TEXAS, L.P TEXAS NP Holdings 72-1284720 1% 3850 N.Causeway Blvd., Suite 1770 NP Texas LLC 99% Metairie, LA 70002 JOINT VENTURES THE LOMA COMPANY, L.L.C. LA Newpark Holdings 49% Cole & Latiolais\Hardey, Alter) OLS Consulting Serv.Inc 51% Seaux, Paul & Ken\Luci, Alter)