Our Story

Constructing Quality, Building Trust for 50+ Years


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

Our Story

Constructing Quality, Building Trust for 50+ Years

Meet Our CEO

Meet Our CEO

Ir. Calvin Limantoro, S.T., M.T.

We provide innovative solutions for budget efficiency in luxury home construction without sacrificing quality and time. As the leader of cal.idn, we will be present during the planning, supervision, and control processes, ensuring and being responsible for the smooth running of the project through a digitalized system. My Family has been in this business for more than 50 years. I’ve been doing this since i was a kid, visiting construction sites, and learning from the best teacher.

Meet Our CEO

Ir. Calvin Limantoro, S.T., M.T.
We provide innovative solutions for budget efficiency in luxury home construction without sacrificing quality and time. As the leader of cal.idn, we will be present during the planning, supervision, and control processes, ensuring and being responsible for the smooth running of the project through a digitalized system. My Family has been in this business for more than 50 years. I’ve been doing this since i was a kid, visiting construction sites, and learning from the best teacher.

Our Vision & Mission

Our Vision & Mission

Transforming today for a better tomorrow

Our Vision:

– Custom Solutions: Providing innovative construction services tailored to engineering precision and design aesthetics.
– Technical Excellence: Elevating every project with exceptional technical expertise for flawless results.
– Client-Centric Approach: Treating the client’s vision as our own, providing exceptional dedication to bringing concepts to life in lasting architecture.
– Cutting-Edge Execution: Combining modern construction technology with artisan craftsmanship to deliver projects that exceed expectations in every aspect.

Our Mission:

To be a leader in the construction industry that combines technical expertise and timeless design, creating iconic projects that stand the test of time, in both the residential and commercial sectors.

Our Vision & Mission

Transforming today for a better tomorrow

Vision:

 
– Custom Solutions: Providing innovative construction services tailored to engineering precision and design aesthetics.
 
– Technical Excellence: Elevating every project with exceptional technical expertise for flawless results.
 
– Client-Centric Approach: Treating the client’s vision as our own, providing exceptional dedication to bringing concepts to life in lasting architecture.
 
– Cutting-Edge Execution: Combining modern construction technology with artisan craftsmanship to deliver projects that exceed expectations in every aspect.

Mission:


To be a leader in the construction industry that combines technical expertise and timeless design, creating iconic projects that stand the test of time, in both the residential and commercial sectors.

Meet Our Team

Meet Our Team

The Team That Makes It Happen

Meet Our Team

The Team That Makes It Happen

Ready to build your project?

We’re here to help you plan, build, and bring your ideas to life.

© 2025 PT. Centra Arya Loka All rights reserved.
© 2025 PT. Centra Arya Loka All rights reserved.
© 2025 PT. Centra Arya Loka All rights reserved.