PT. Carya Solusi Teknologi is a trusted partner in telecommunications infrastructure, construction, and logistics — serving Indonesia's leading operators since 2019.
PT. Carya Solusi Teknologi is a reputable company specializing in contracting, civil engineering planning, as well as mechanical, electrical, and telecommunications services — complemented by comprehensive project supervision.
We have successfully completed numerous SACME (Supply, Assemble, Commission, Maintain & Expand) projects, tower analysis, and supervision for leading telecommunications operators across Indonesia.
With an experienced team and industry-standard equipment, we ensure every project is delivered on time, up to standard, and within the agreed budget.
To become a reliable and trusted partner for all your telecommunications needs.
To consistently deliver on-time services through meticulous planning and efficient systems.
Construction, installation, and maintenance of building and apartment systems.
Comprehensive installation and ongoing maintenance of BTS telecommunication towers.
We deliver integrated services from planning through long-term maintenance.
Comprehensive installation and maintenance of BTS (Base Transceiver Station) towers — handling the full cycle from survey and design through to commissioning.
Construction, installation, and maintenance of building and apartment systems — including mechanical, electrical, and civil works to the highest quality standards.
Supply, Assemble, Commission, Maintain, and Expand — end-to-end services for large-scale telecommunications projects across the Indonesian archipelago.
Detailed tower identification, structural analysis, and design development of new telecommunications tower constructions in accordance with industry standards.
End-to-end tower construction supervision — ensuring full compliance with timelines, budgets, and established quality standards.
Consulting services for site engineering surveys, analysis, and preparation of APD & BoQ documents as the basis for telecommunications project planning.
Deep specialization in infrastructure, telecommunications, and construction with a proven track record.
Every project is meticulously planned with efficient systems to ensure completion on schedule.
Our team continuously explores the latest technologies and methodologies to deliver cutting-edge solutions.
Committed to environmental responsibility while maintaining the long-term viability of every project.
A strong portfolio of successfully completed projects, building trust and long-term partnerships.
At CST, we are deeply committed to delivering the highest quality services in Infrastructure, Telecommunications, and Construction. Our focus is on exceptional solutions that meet the unique needs of each client with professionalism and dedication.
PT. Carya Solusi Teknologi is directly involved in the construction of Ground Gateway Terminal infrastructure for Amazon Project Kuiper — Amazon's global satellite broadband initiative operating a constellation of 3,236 Low Earth Orbit (LEO) satellites at an altitude of 590–630 km. This project represents one of CST's most significant milestones in supporting Indonesia's future connectivity.
Project Kuiper is Amazon's initiative to deliver high-speed broadband internet access across the globe, particularly to remote areas underserved by cable networks. A direct competitor to SpaceX's Starlink, it operates a LEO satellite constellation connected to ground infrastructure — the Ground Gateway Terminals built by CST.
| No. | Scope of Work | Type | Project | Customer | Area | Year |
|---|---|---|---|---|---|---|
| 01 | Site Survey (TSSR, Space & Tower), Analysis & Design, APD & BoQ | Konsultan | SES PT. Dayamitra Telekomunikasi | PT. Uptrans Telekomunikasi | Jabodetabek, Jabar, Sumbagsel, Sumbagteng | 2018–2022 |
| 02 | Site Survey (TSSR, Space & Tower), Analysis & Design, APD & BoQ | Konsultan | SES PT. Dayamitra Telekomunikasi | Komitel | Jabodetabek, Jabar, Sumbagsel, Sumbagteng | 2021–2022 |
| 03 | Site Survey (TSSR, Space & Tower), Analysis & Design, APD & BoQ | Konsultan | SES PT. Dayamitra Telekomunikasi | PT. Multi Bmitra Sejahtera | Jabodetabek, Jabar, Sumbagsel, Sumbagteng | 2020–2021 |
| 04 | Perkuatan Tower | Kontraktor CME | Project PT. Dayamitra Telekomunikasi | Komitel | Jabodetabek, Jabar, Jateng | 2021–2022 |
| 05 | Collocation CME Tower | Kontraktor CME | Project PT. Dayamitra Telekomunikasi | Komitel | Jabodetabek, Jabar, Jateng | 2021–2022 |
| 06 | Perkuatan Tower | Kontraktor CME | Project PT. Dayamitra Telekomunikasi | PT. Mandau Jaya Kotranindo | Jabodetabek, Jabar, Jateng | 2021–2022 |
| 07 | New Site B2S IOH | Kontraktor CME | Project PT. Centrama | PT. Jaringan Solusi Teknik | Jabodetabek | 2023 |
| 08 | New Site B2S IOH | Kontraktor CME | Project PT. Protelindo | PT. Jaringan Solusi Teknik | Jabar, Jateng | 2023–2024 |
| 09 | New Site B2S Telkomsel | Kontraktor CME | Project PT. Dayamitra Telekomunikasi | PT. Jaringan Solusi Teknik | Sulawesi | 2023–2024 |
Leading operators and business partners who have entrusted their projects to CST
PT. Carya Solusi Teknologi operates under Republic of Indonesia regulations with complete business licenses — Trading Business License, Industrial Business License, Construction Services Business License (SBU), and ASPEKNAS Business Entity Certificate.