Build Your Dream with Cal.idn
Your Trusted
Builders
About Us
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About Us
Our journey starts from a small company named Karya Steel Construction which operates in Surabaya more from 35 years ago. In 2021 we decided to rebranding to Cal.idn (Construction) and Metalworks.idn (Metal Artisan) under PT. Centra Arya Loka.
More About Us →
Our Projects
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Project Highlights
Take a look at the work we’ve proudly completed for our clients.
Project Highlights
Take a look at the work we’ve proudly completed for our clients.
Our Clients
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Our Clients
Our clients include industry leaders who value quality and reliability
Our Clients
Our clients include industry leaders who value quality and reliability
Why Us?
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Building Handover
From Vision to Reality
Each project we complete is a reflection of our commitment to quality, delivered on time and ready for handover.
Why Us?
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Why Us?
We Deliver What We Promise.
Ready to Build?
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Ready to build your project?
We’re here to help you plan, build, and bring your ideas to life.
Our Office
Jl. Delima Tengah III No.9
© 2025 PT. Centra Arya Loka All rights reserved.
Our Office
Jl. Delima Tengah III No.9
© 2025 PT. Centra Arya Loka All rights reserved.
© 2025 PT. Centra Arya Loka All rights reserved.