Petrochina Tuban

PT. Karyadibya Mahardhika

PT. Surya Inti Tembakau (Gudang Garam Group)

PT. Gudang Garam, Tbk

PT. Satoria Aneka Industri

PT. Sinar Sosro

PT. Tirta Fresindo Jaya (Mayora Group)

Akuisisi Data Geolistrik Resistivitas

Bukit Dhoho Indah (Gudang Garam Group)

Penelitian Air Bawah Tanah

Kefamenanu NTT (Daerah Langka Air)