Chevron Group Of Companies
– Chevron Indonesia Company
– Chevron Pacific Indonesia
– Chevron Geothermal
CITIC SERAM LIMITED
CNOOC
CONOCO PHILIPS
ENERGI MEGA PERSADA GROUP
– PT. VISI MULTI ARTHA
– PT. ARTHA WIDYA PERSADA
– EMP MALACCA STRAIT S.A
– EMP BENTU LIMITED
– EMP KORINCI BARU LIMITED
– PT. EMP GELAM
– PT. EMP SEMBERAH
– PT. EMP TONGA
ENERGY EQUITY EPIC ( SENGKANG ) PTY. LTD
EXXONMOBIL OIL INDONESIA INC
HUSKY – CNOOC MADURA LIMITED
KANGEAN ENERGY INDONESIA
MEDCO GROUP OF COMPANIES
– PT MEDCO GEOTHERMAL INDONESIA
– JOB PERTAMINA – MEDCO E&P SIMENGGARIS
– CAMAR RESOURCES CANADA INC
– PT MEDCO E&P TARAKAN
– JOB PERTAMINA – MEDCO E&P TOMORI SULAWESI
– MEDCO E&P INDONESIA
MOBIL CEPU LTD.
PERTAMINA GEOTHERMAL ENERGY INDONESIA
PETROCHINA INTERNATIONAL COMPANIES
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– PETROCHINA INTERNATIONAL JABUNG LTD
– JOB PERTAMINA – PETROCHINA SALAWATI
– JOB PERTAMINA – PETROCHINA EAST JAVA
PETRONAS CARIGALI
PREMIER OIL INDONESIA, LTD
PT NURMAN MITRA SENTOSA
PT OTP GEOTHERMAL
PT PERTAMINA HULU ENERGI OFFSHORE NORTH WEST JAVA
PT PERTAMINA HULU ENERGI WEST MADURA OFFSHORE
PT. BADAK NGL. CO., BONTANG
PT. META EPSI
PT. PERTAMINA EP
– PT PERTAMINA EP UBEP – Jambi
– PT. PERTAMINA EP REGION KTI
– PT. PERTAMINA EP REGION SUMATERA
– PT. PERTAMINA (PERSERO) UP V – JASRUM
– PT. PERTAMINA (PERSERO) UP V – JPK + KILANG
– PT. PERTAMINA EP – UBEP TANJUNG PUSAT
– PT. PERTAMINA EP REGION JAWA
– PT. PERTAMINA DRILLING SERVICES INDONESIA
PT. PERUSAHAAN GAS NEGARA (Persero) Tbk.
SANTOS NORTHWEST NATUNA B.V
STAR ENERGY GROUP OF COMPANIES
– STAR ENERGY GEOTHERMAL ( WAYANG WINDU ) LTD
– STAR ENERGY ( KAKAP ) LTD