Direct Communication
Partner with PT Jalamas Artha Sakti
Connect directly with our engineering directorship and project estimation specialists. We respond to commercial tenders and technical inquiries within 24 business hours.
Corporate Contact DirectoryHQ & Hubs
Headquarters (Jakarta)
South Quarter Tower B, 12th Floor, Jl. R.A. Kartini Kav. 8, Cilandak Barat, Jakarta Selatan 12430, Indonesia
Fabrication & Staging Hub (Bekasi)
Office Phone & Hotline
Official Inquiries
Operating Hours
Monday – Friday: 08:30 – 17:00 WIB
24/7 Rapid Emergency Response for Plant Turnarounds
Frequently Asked Questions
We undertake Lump Sum Turnkey (LSTK), Engineering Procurement Construction Management (EPCM), Balance of Plant (BOP), and unit-rate construction contracts across industrial manufacturing, mining infrastructure, high-voltage power distribution, and petrochemical sectors.
Project Inquiry & Proposal Request
Please submit your technical scope or RFP details. Our engineering directors will review and respond promptly.