Following list is some of <INGI> ^® Customers :

1. Pertamina UP I - P. Brandan
2. Pertamina UP I I - Dumai
3. Pertamina UP III - Riau
4. Pertamina UP IV - Cilacap
5. Pertamina UP V - Balikpapan
6. Pertamina UP VI - Balongan
7. Pertamina UP VII - Sorong

1. Atlantic Richfield Indonesia Inc, (ARCO)
2. Aroma Operation Services Company
3. Maxus Southeast Sumatera Inc.
4. Virginia Indonesia Company
5. PERTAMINA Husky Limau
6. Unocal Indonesia Ltd.
7. JGC Corporation
8. Asamera Oil
9. Hitachi Ltd.
10. PT. Nippon Steel Construction Indonesia (NISCONI)
11. PT. Chiyoda International Indonesia
12. PT. Sofresid Supraco Indonesia
13. PT. Caltex Pacific Indonesia
14. PT. Sempec Indonesia
15. PT. Gema Sembrown
16. PT. Badak NGL. Co.
17. PT. Arun LNG co.
18. PT. Mc. Dermott
19. PT. Adiguna
20. PT. Stanvac

1. PT. Polyprima Karya Reksa
2. PT. Polypet Karya Persada
3. PT. Tri Polyta Indonesia
4. AEC International
5. PT. Pupuk Kujang
6. PT. PUSRI
7. PT. PENI

1. PT. Air Liquide Indonesia
2. PT. Krakatau Steel

1. PT. Daekyung Indah Heavy Industry
2. PT. SSE-Van Der Horst Indonesia
3. PT. Daelim Utama Constructions
4. Samsung Engineering Co.