1. Addax Contract Workers
• First Eyes Resources
• Tosi Oilfield Services
• Baklang Nig. Limited
• Linkso Nig. Ltd.
• Horbark Nig. Ltd.
2. Amber Resources
3. Anderil Nig.Ltd.
4. Africa Oilfield Services Nig. Ltd.
5. AOS – Orwell
6. Arco Petro Chemical Engineering Co. Ltd
7. Ascot Flowlines Nig. Ltd.
8. Baklang Consultant Nig. Ltd.
9. Blueveld Nig. Ltd.
10. Bureau Veritas
11. Camroun Offshore System,
12. Capam Nig. Ltd.
13. CGG Nig. Ltd.
14. C & I Leasing (Abo FPSO)
15. Chevron Nig. Ltd
16. Century Energy Services Ltd. (Armada Perkasa FPSO)
17. Century Energy Services Limited (FPSO Mystras)
18. CKS Environmental
19. Conoco Phillips Contract Workers (Now Pilgrima Africa Ltd.)
20. Dabo Motors
21. Delatre Benzon Nig. Ltd. (DBN)
22. Department of Petroleum Resources
23. Drill – Quip
24. Eco Gas Energy Resources Limited
25. Engine Lubricant Dealers
26. EPCL
27. EPCL Contract Workers
28. Exprotech Nig. Ltd.
29. Frank’s International
30. Fugro Nig. Ltd.
31. H. U. Etete & Sons
32. Hot- Head
33. IDSL
34. IMB
35. I.P.E.S.
36. Keedak Nig. Ltd.
37. KRPC Kaduna
38. Magcobar (M. I.)
39. Marine Equipment & Oil Suppliers
40. Mobil Contract Workers
41. NAOC
42. NAOC Labour Contract Workers
43. NAOC Service Contract Workers
44. NAPIMS
45. Nietcodietsmann Nig. Ltd.
46. Nigeria Domestic Gas Retail and Material
47. NGC, Warri
48. NLNG Contract Workers
49. NLNG Contract Workers
50. NNPC Corporate Headquarters
51. Oil & Gas Suppliers (OGS)
52. O.T.S
53. Pan Ocean Oil Corporation
54. Petroleum Station Workers
55. Petroleum Equalization Fund
56. Port Harcourt Refinery Company
57. Pivot GIS Nig. Ltd.
58. Pipe Coaters
59. Profield
60. Pipelined Products Marketing Company
61. Petroleum Tanker Drivers
62. Petroleum Training Institute
63. Petroleum Training Institute Contract Workers
64. PTDF
65. Pilgrims Africa Limited (Former Conoco Phillips Contract)
66. Relentech Specialist
67. Schlumberger Nig. Ltd.
68. Seadrill
69. Seawolf Oilfield Services/OMS Ltd.
70. Siramex
71. SPDC
72. SPDC Contract Workers
• Shell Land Logistics
73. Specialty Drilling Fluid (SDF)
74. Spie Nigeria Limited
• Pan & Bill
• Presarcon Nig Ltd.
75. South Atlantic Petroleum Co. Ltd.
76. Statoil Nigeria Limited
77. Sterling Global Oil
78. Sutakep
79. Tecon Oil Services
80. Tenaries (TDPS)
81. Total E. & P. Nig. Ltd.
82. Total Labour Contract Workers
83. Total Nigeria Limited
84. Turbine & Well Head Services Nig. Ltd.
85. Universal Energy Resources
86. Weafri Well Services
87. Weatherford
88. Warri Refinery & Petrochemicals Company