21. OIL & GAS JOURNAL ONLINE RESEARCH CENTER
Serial Number: 77496210
Owner: (REGISTRANT) PENNWELL CORPORATION CORPORATION OKLAHOMA 1421 South Sheridan Road Tulsa OKLAHOMA 74112
Filed on: 06/11/2008
22. OOR OFFSHORE OPERATIONS RUSSIA/CIS
Serial Number: 76586458
Owner: (REGISTRANT) PENNWELL CORPORATION CORPORATION OKLAHOMA 1421 SOUTH SHERIDAN ROAD TULSA OKLAHOMA 74112
Filed on: 04/08/2004
23. PDA PROFESSIONAL DENTAL ASSISTING
Serial Number: 77233273
Owner: (REGISTRANT) PENNWELL CORPORATION CORPORATION OKLAHOMA 1421 SOUTH SHERIDAN ROAD TULSA OKLAHOMA 74112
Filed on: 07/19/2007
24. PE CHINA POWER ENGINEERING
Serial Number: 78875426
Owner: (REGISTRANT) PENNWELL CORPORATION CORPORATION OKLAHOMA 1421 SOUTH SHERIDAN ROAD TULSA OKLAHOMA 74112
Filed on: 05/03/2006
25. PETROWORLD INDIA
Serial Number: 85508742
Owner: (REGISTRANT) PENNWELL CORPORATION CORPORATION OKLAHOMA 1421 SOUTH SHERIDAN ROAD TULSA OKLAHOMA 74112
Filed on: 01/04/2012
26. PORTABLE DESIGN ASIA
Serial Number: 76547293
Owner: (REGISTRANT) PENNWELL CORPORATION CORPORATION OKLAHOMA 1421 SOUTH SHERIDAN ROAD TULSA OKLAHOMA 74112
Filed on: 09/25/2003
27. PORTABLE DESIGN CHINA TECHNICAL CONFERENCE
Serial Number: 76619703
Owner: (REGISTRANT) PENNWELL CORPORATION CORPORATION OKLAHOMA 1421 SOUTH SHERIDAN ROAD TULSA OKLAHOMA 74112
Filed on: 11/05/2004
28. POWER-GEN AFRICA
Serial Number: 85278667
Owner: (REGISTRANT) PENNWELL CORPORATION CORPORATION OKLAHOMA 1421 SOUTH SHERIDAN ROAD TULSA OKLAHOMA 74112
Filed on: 03/28/2011
29. POWER-GEN ASIA
Serial Number: 76460171
Owner: (REGISTRANT) PENNWELL CORPORATION CORPORATION OKLAHOMA 1421 SOUTH SHERIDAN ROAD TULSA OKLAHOMA 74112
Filed on: 10/17/2002
30. POWER-GEN INDIA & CENTRAL ASIA
Serial Number: 76460169
Owner: (REGISTRANT) PENNWELL CORPORATION CORPORATION OKLAHOMA 1421 SOUTH SHERIDAN ROAD TULSA OKLAHOMA 74112
Filed on: 10/17/2002
31. POWER-GEN LATIN AMERICA
Serial Number: 76460167
Owner: (REGISTRANT) PENNWELL CORPORATION CORPORATION OKLAHOMA 1421 SOUTH SHERIDAN ROAD TULSA OKLAHOMA 74112
Filed on: 10/17/2002
32. POWER-GEN MIDDLE EAST FOCUSING ON POWER GENERATION, T&D AND WATER
Serial Number: 85214264
Owner: (REGISTRANT) PENNWELL CORPORATION CORPORATION OKLAHOMA 1421 SOUTH SHERIDAN ROAD TULSA OKLAHOMA 74112
Filed on: 01/10/2011
33. RUSSIA POWER
Serial Number: 76437707
Owner: (REGISTRANT) PENNWELL CORPORATION CORPORATION OKLAHOMA 1421 SOUTH SHERIDAN ROAD TULSA OKLAHOMA 74112
Filed on: 08/02/2002
34. UDET ULTRA DEEP ENGINEERING + TECHNOLOGY
Serial Number: 76491242
Owner: (REGISTRANT) PENNWELL CORPORATION CORPORATION OKLAHOMA 1421 SOUTH SHERIDAN ROAD TULSA OKLAHOMA 74112
Filed on: 02/19/2003
35. ULTRA DEEP ENGINEERING
Serial Number: 76039503
Owner: (REGISTRANT) PENNWELL CORPORATION CORPORATION OKLAHOMA 1421 South Sheridan Road Tulsa OKLAHOMA 74112
Filed on: 05/03/2000
36. UNCONVENTIONAL GAS INTERNATIONAL
Serial Number: 77593902
Owner: (REGISTRANT) PENNWELL CORPORATION CORPORATION OKLAHOMA 1421 SOUTH SHERIDAN ROAD TULSA OKLAHOMA 74112
Filed on: 10/16/2008
37. UNCONVENTIONAL OIL & GAS INDIA
Serial Number: 85278714
Owner: (REGISTRANT) PENNWELL CORPORATION CORPORATION OKLAHOMA 1421 SOUTH SHERIDAN ROAD TULSA OKLAHOMA 74112
Filed on: 03/28/2011
38. UNCONVENTIONAL OIL & GAS INTERNATIONAL
Serial Number: 85155168
Owner: (REGISTRANT) PENNWELL CORPORATION CORPORATION OKLAHOMA 1421 SOUTH SHERIDAN ROAD TULSA OKLAHOMA 74112
Filed on: 10/18/2010
39. VIRTUAL H20
Serial Number: 85290461
Owner: (REGISTRANT) PENNWELL CORPORATION CORPORATION OKLAHOMA 1421 SOUTH SHERIDAN ROAD TULSA OKLAHOMA 74112
Filed on: 04/08/2011
40. WATERWORLD MIDDLE EAST FOCUSING ON WATER AND WASTEWATER
Serial Number: 85278664
Owner: (REGISTRANT) PENNWELL CORPORATION CORPORATION OKLAHOMA 1421 SOUTH SHERIDAN ROAD TULSA OKLAHOMA 74112
Filed on: 03/28/2011
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