1. Alas Watu Utama, PT.Wisma BSG, 9th Floor,Jl. Abdul Muis No. 40,Jakarta Pusat 10160,IndonesiaDKI JakartaFax.(021) 3841980,Fax.(021) 3505371Telp.(021) 3505370Dredging work, oil and mineral exploration

2. Amerada Hess (Indonesia-Pangkah) LimitedSentral Senayan I Building Office Tower, 5th Floor,Jl. Asia Afrika No. 8, Senayan,Jakarta Pusat 10270,IndonesiaDKI JakartaFax.(021) 5725733Telp.(021) 5725744Oil and gas exploration and productionHess

3. Apscindo Pratama Sakti & Co, PT.Central Cikini Building, 4th Floor,Jl. Cikini Raya No. 60-KL,Jakarta Pusat 10330,IndonesiaDKI JakartaFax.(021) 31927765Telp.(021) 31922409Oil drilling and exploration

4. Bangun Panca Sarana Abadi, PT.Wijaya Grand Centre Complex Block E No. 4,Jl. Wijaya II, Kebayoran Baru,Jakarta Selatan 12160,IndonesiaDKI JakartaFax.(021) 7202990,Fax.(021) 7251152Telp.(021) 7204001, Telp.(021) 7251139Industrial tools; Oil and gas drilling and exploration service; Power and electricity equipment; Navigation aid; Telecommunication equipmentSulzer Meltco

5. ConocoPhillips Indonesia Inc. Ltd.Menara Mulia, 3rd-5th Floor,Jl. Jend. Gatot Subroto Kav. 9-11,Jakarta Selatan 12930,IndonesiaDKI JakartaFax.(021) 5204600, Fax.(021) 5241730Telp.(021) 5222525, Telp.(021) 5210100Oil and gas exploration6. Dimas Utama [Balikpapan Branch], PT.Balikpapan Permai Complex Block G-1 No. 10,Jl. Jend. Sudirman,Balikpapan 76114 Kalimantan Timur,IndonesiaKalimantan TimurFax.(0542) 420338Telp.(0542) 731320Engineering consultant; Oil and gas exploration

7. Dowell Schlumberger Indonesia, PT.Sentra Mulia Building, 17th Floor Suite 1711,Jl. HR. Rasuna Said Kav. X-6 No. 8, Kuningan,Jakarta Selatan 12940,IndonesiaDKI JakartaFax.(021) 2520545, Fax.(021) 5229157Telp.(021) 2520546, Telp.(021) 5227050Oil and gas exploration

8. Dressa Wira Cipta, PT.MLI Building, 1st-2nd Floor,Jl. Letjen. MT. Haryono Kav. 49,Jakarta Selatan 12770,IndonesiaDKI JakartaFax.(021) 7994694Telp.(021) 7987640Oil and gas exploration; General contractor

9. Medco E & P Indonesia, PT.Menara Bidakara, 12th Floor,Jl. Jend. Gatot Subroto Kav. 71-73, Pancoran,Jakarta Selatan 12870,IndonesiaDKI JakartaFax.(021) 83793374, Fax.(021) 83991011Telp.(021) 83793345, Telp.(021) 83991010Oil exploration

10. Geoprolog Intiwijaya, PT.Jl. Letjen. TB. Simatupang No. 51-A,Jakarta Selatan 12520,IndonesiaDKI JakartaFax.(021) 7817719, Fax.(021) 7817718Telp.(021) 7892077Oil drilling exploration

11. Gulf Indonesia Resources Ltd.BNI Building, 29th Floor,Jl. Jend. Sudirman Kav. 1,Jakarta Pusat 10220,IndonesiaDKI JakartaFax.(021) 5742112, Fax.(021) 5742113Telp.(021) 5742120Oil and gas exploration

12. Kasam Drilling Group, CV.Jl. Cigadung Raya No. 21-23,Bandung 40191 Jawa Barat,IndonesiaJawa BaratFax.(022) 2503464Telp.(022) 2502644Oil and gas drilling and exploration

13. Kalrez Petroleum (Seram) Ltd.Wisma Pondok Indah, 3rd Floor Suite 306,Jl. Sultan Iskandar Muda Kav. V-TA, Pondok Indah,Jakarta Selatan 12310,IndonesiaDKI JakartaFax.(021) 7697012Telp.(021) 7696977Oil drilling & exploration

14. Kodeco Energy Co Ltd.Jakarta Stock Exchange Building Tower I, 23th Floor,Jl. Jend. Sudirman Kav. 52-53,Jakarta Selatan 12190,IndonesiaDKI JakartaFax.(021) 5151175, Fax.(021) 5159336Telp.(021) 5151170, Telp.(021) 5159277Oil and gas drilling exploration

15. Japan Drilling Indonesia, PT.Plaza Sentral, 19th Floor,Jl. Jend. Sudirman Kav. 47-48,Jakarta Selatan 12930,IndonesiaDKI JakartaFax.(021) 5746386Telp.(021) 5746544, Telp.(021) 5746441Oil drilling and exploration

16. JOB Pertamina Talisman (Ogan Komering) Ltd.Setiabudi Atrium Building, 7th Floor Suite 706,Jl. HR. Rasuna Said Kav. 62, Kuningan,Jakarta Selatan 12920,IndonesiaDKI JakartaFax.(021) 5210773, Fax.(021) 5210770Telp.(021) 2521810, Telp.(021) 2521825Oil and gas exploration and production

17. Lirik Petroleum, PT.Satmarindo Building,Jl. Ampera Raya No. 5, Cilandak,Jakarta Selatan 12560,IndonesiaDKI JakartaFax.(021) 7800630, Fax.(021) 78831237Telp.(021) 7805000, Telp.(021) 7800346Oil exploration; Petroleum oil

18. CNOOC SESJakarta Stock Exchange Building Tower I, 3rd & 18th-22th Floor,Jl. Jend. Sudirman Kav. 52-53,Jakarta Selatan 12190,IndonesiaDKI JakartaFax.(021) 5151051Telp.(021) 5151001Oil drilling and exploration

19. Milchem Indonesia, PT.The Garden Centre Building, 6th Floor Suite 07,Cilandak Commercial Estate Jl. Raya Cilandak KKO, Cilandak,Jakarta Selatan 12560,IndonesiaDKI JakartaFax.(021) 7801682, Fax.(021) 7890387Telp.(021) 7800737Oil drilling and exploration

20. Nippon Steel Construction Indonesia (NISCONI), PT.Graha Iskandarsyah, 3rd Floor,Jl. Iskandarsyah Raya No. 66-C, Kebayoran Baru,Jakarta Selatan 12160,IndonesiaDKI JakartaFax.(021) 7207567Telp.(021) 7207564Oil and gas drilling and exploration service; Offshore work

21. Perdana Karya, PT.Jl. Sentosa No. 56,Samarinda 75117 Kalimantan Timur,IndonesiaKalimantan TimurFax.(0541) 737920Telp.(0541) 737921, Telp.(0541) 737922Civil and mechanical contractor; Oil drilling and exploration

22. Perdana Karya [Jakarta Branch], PT.ITC Roxy Mas Complex Block C-4 No. 5,Jl. KH. Hasyim Ashari No. 125,Jakarta Pusat 10150,IndonesiaDKI JakartaFax.(021) 6333118Telp.(021) 6333113, Telp.(021) 6333112Civil and mechanical contractor; Oil drilling and exploration

23. Pertamina (Persero) [Surabaya Branch], PT.Jl. Rajawali No. 29,Surabaya Jawa Timur,IndonesiaJawa TimurFax.(031) 8437534Telp.(031) 3293892Oil and gas exploration

24. JOB Pertamina Golden Spike Indonesia Ltd.Menara Rajawali, 20th Floor,Jl. Mega Kuningan Lot f 5.1, Kuningan,Jakarta Selatan 12950,IndonesiaDKI JakartaFax.(021) 5761737, Fax.(021) 5761736Telp.(021) 5761333Oil drilling and exploration

25. Unit Bisnis Pertamina LimauSentra Mulia Building, 7th Floor Suite 710,Jl. HR. Rasuna Said Kav. X-6 No. 8, Kuningan,Jakarta Selatan 12940,IndonesiaDKI JakartaFax.(021) 5222109Telp.(021) 5222110Oil drilling and exploration

26. Petroselat Ltd., PT.Wisma BSG, 11th Floor,Jl. Abdul Muis No. 40,Jakarta Pusat 10160,IndonesiaDKI JakartaFax.(021) 34834648Telp.(021) 3862550Oil drilling and exploration

27. Premier OilPlaza City View, 3rd-5th Floor,Jl. Kemang Timur No. 22,Jakarta Selatan 12510,IndonesiaDKI JakartaFax.(021) 7182010Telp.(021) 7182001Drilling and exploration, oil and gas

28. Purindo Ranandra & Co., PT.Jl. Tebet Barat II-E No. 36, Tebet,Jakarta Selatan 12820,IndonesiaDKI JakartaFax.(021) 8294613Telp.(021) 8298280Agriculture producte; Portland cement; Spices; Oil drilling and exploration

29. Pusat Penelitian dan Teknologi Minyak & Gas Bumi (LEMIGAS)Jl. Ciledug Raya Kav. 109, Cipulir Kebayoran Lama,Jakarta Selatan 12230,IndonesiaDKI JakartaFax.(021) 7246150Telp.(021) 7394422, Telp.(021) 7393958, Telp.(021) 7394019Oil and gas exploration; Offshore researchLEMIGAS

30. Satmarindo, PT.Satmarindo Building, 2nd Floor,Jl. Ampera Raya No. 5, Cilandak,Jakarta Selatan 12560,IndonesiaDKI JakartaFax.(021) 7800630Telp.(021) 7805000, Telp.(021) 7800346Oil drilling and exploration service

31. Serba Multi Sarana, PT.Jl. Masjid I No. 3, Pejompongan,Jakarta Pusat 10210,IndonesiaDKI JakartaFax.(021) 5734924Telp.(021) 5746234, Telp.(021) 5746320Pipe and tube, steel; Management consultant, drilling and exploration, oil and gas

32. Shell Companies in IndonesiaRatu Prabu, 3rd-7th Floor,Jl. Letjen. TB. Simatupang No. 20, Cilandak Timur,Jakarta Selatan 12560,IndonesiaDKI JakartaFax.(021) 78845155, Fax.(021) 78843536Telp.(021) 78838838, Telp.(021) 78843535Oil, natural gas and mineral exploration; Gasoline

33. Total E&P IndonesieKuningan Plaza North Tower, 4th-9th Floor,Jl. HR. Rasuna Said Kav. C 11-14, Kuningan,Jakarta Selatan 12940,IndonesiaDKI JakartaFax.(021) 5231888Telp.(021) 5231999Gas and oil exploration

34. Total E&P Indonesie [Balikpapan Branch]Jl. Yos Sudarso,Balikpapan 76123 Kalimantan Timur,IndonesiaKalimantan TimurFax.(0542) 533888Telp.(0542) 533999Gas and oil exploration

35. Transwepp Internasional, PT.Wisma SMR, 5th Floor Suite 502,Jl. Yos Sudarso Kav. 89, Sunter,Jakarta Utara 14350,IndonesiaDKI JakartaFax.(021) 6508135Telp.(021) 6508132, Telp.(021) 6508134Oil drilling and exploration

36. Tuminda Graha, PT.Pusat Niaga Kawasan Bintaro Jaya Sector IX Block G3,Jl. Maleo Raya,Jakarta Selatan12330,IndonesiaDKI JakartaFax.(021) 7452049Telp.(021) 7455366Oil drilling and exploration; Labour agency; Renting of industrial equipment, tools

37. Usayana (Usaha Yaptapena), PT.Jl. Matraman Raya No. 87,Jakarta Timur 13140,IndonesiaDKI JakartaFax.(021) 8570778, Fax.(021) 8570787Telp.(021) 8570787, Telp.(021) 8570777, Telp.(021) 8570778Catering; Mechanical and electric contractor; Oil drilling and exploration

38. Vetco Gray Indonesia, PT.Wisma Nugra Santana, 12th Floor,Jl. Jend. Sudirman Kav. 7-8,Jakarta Pusat 10220,IndonesiaDKI JakartaFax.(021) 5711741Telp.(021) 5706969Oil and gas drilling and exploration

39. Vico IndonesiaWisma Mulia, Suite 4801-4901,Jl. Jend. Gatot Subroto No. 42, Kuningan,Jakarta Selatan12710,IndonesiaDKI JakartaFax.(021) 5236100Telp.(021) 5236000Oil and gas drilling exploration

40. Barata Nusatama Prima, PT.Setiabudi Atrium Building, 2nd Floor Suite 210,Jl. HR. Rasuna Said Kav. 62, Kuningan,JakartaSelatan 12920,IndonesiaDKI JakartaFax.(021) 5201049Telp.(021) 5210418Oil drilling exploration service