PT. Surya Inti Tembakau (Gudang Garam Group)

PT. Tirta Fresindo Jaya (Mayora Group)

Kefamenanu NTT (Daerah Langka Air)

PT. Gudang Garam, Tbk

PT. Karyadibya Mahardhika

Petrochina Tuban

Akuisisi Data Geolistrik Resistivitas

Penelitian Air Bawah Tanah

PT. Sinar Sosro

Bukit Dhoho Indah (Gudang Garam Group)

PT. Satoria Aneka Industri