Mechanical, Electrical & Instrument:
- Cemancont Indonesia, CV., cables, SCBD Lot 10 Project, Takenaka, Sudirman, DKI Jakarta
- Foxone Media Pratama, PT., mechanical Material, BSD, Tangerang, Banten
- Sinar Hoperindo, PT., electrical & instrument, Cileungsi, kab. Bogor, Jawa Barat
- Waskita Karya, PT., ME & instrument material for PT Dahana, Subang, Jawa Barat
Firestop System:
- Cyberindo Aditama (CBN), PT., Gedung Sarana Jaya, Jakarta
- Integra Solusindo, PT,. Gedung Sarana Jaya, DKI Jakarta
- Kawan Sejati Telsindo, PT., Gedung Telkomsel, Manado, Sulawesi Utara
- Kharisma Data Technology, PT., Gedung Sarana Jaya, DKI Jakarta
- Link Net (First Media), PT., Gedung Sarana Jaya, DKI Jakarta
- Transcosmos Indonesia, PT., Gedung Sarana Jaya, DKI Jakarta
Piping:
- Waskita Adhi Sejahtera, PT., off shore project, DKI Jakarta
- Waskita Karya, PT., piping project, PLTU Malinau, Kalimantan Utara