About Us

ASZ GRUP field team — engineering supervision on bridge construction

Who Are We?

About ASZ GRUP

The post-tensioning field experience of our founder Zafer Güney, ongoing since 1994, continues under ASZ Grup since 2012. ASZ Grup is an engineering firm providing project engineering, material supply and on-site installation for bridges and viaducts, buildings and long spans, cylindrical structures, and flat and EN 523/524-compliant round duct manufacturing.

With a research-driven, innovative approach, ASZ Grup continuously improves construction methods and quality. EN 523/524-compliant production processes, experienced field teams and project-specific engineering make us a trusted partner in stay cable solutions as well.

With a daily duct production capacity of 5,000 metres at our Gölbaşı/Ankara facility, we serve as a trusted partner on both domestic and international projects.

Our History

From 1994 to Today

Field experience in post-tensioning that began in 1994 and the corporate journey continuing under the ASZ Grup brand since 2012.

1994 — Field Experience

Post-tensioning applications began under founder Zafer Güney. Field experience was built up on bridge, viaduct and building projects.

2012 — ASZ Grup

Operations continued under the ASZ Grup brand with a corporate structure based in Gölbaşı/Ankara. Post-tensioning and stay cable services are delivered under the brand.

Production Facility

The duct production facility in Gölbaşı/Ankara was commissioned. Flat duct and EN 523/524-compliant galvanized round duct manufacturing with a daily capacity of 5,000 metres. EN 524 quality control tests are performed before dispatch for round duct.

International Growth

In addition to domestic projects, services expanded to projects in Iraq and other regional countries.

150+ Projects

More than 150 projects have been successfully completed to date — bridges, buildings, LNG tanks and more.

Our Mission

To add value to bridge, viaduct, building and cylindrical structure projects by delivering project engineering, material supply and on-site installation under ASZ Grup since 2012, building on Zafer Güney's post-tensioning experience since 1994 with the highest standards of workmanship and quality.

Flat duct and EN 523/524-compliant round duct manufacturing with pre-dispatch quality control
Superior workmanship and installation discipline on site
Continuous quality control and traceable processes on every project
On-time, reliable delivery and customer-focused solutions

Our Vision

To remain Turkey's and the region's reference post-tensioning partner for quality and workmanship, building on experience accumulated since 1994, and to be recognised internationally as a trusted engineering firm under the ASZ Grup brand.

Service above industry standards in post-tensioning quality and workmanship
Reliable field and engineering presence on international projects
EN 523/524-compliant, sustainable manufacturing
Qualified field and engineering teams

Our Values

The Values That Define Us

We act on these core values in every project.

Quality

We guarantee the highest quality on every project through EN-compliant manufacturing and installation.

Innovation

We follow industry developments and integrate new technologies into our projects.

Reliability

We earn our clients' trust on every project by honouring our commitments.

Team Spirit

We work as a strong team with our experienced engineers and field crews.

Our Team

Our Management Team

Our experienced, specialist team adds value to your projects.

Zafer Güney

Founder

Zafer Güney, who has provided field and engineering experience in post-tensioning applications since 1994, has led ASZ Grup since 2012.

Asena Güney Aslan

Architect

Contributes to developing architectural solutions aligned with site requirements through project design, technical drafting and installation processes.

Tarkan Karabudak

Site Coordinator

Ensures projects are completed on time and to quality standards by coordinating field operations.

Mustafa Sarpkaya

Production & Workshop Manager

Responsible for planning, coordinating and quality processes for duct manufacturing and workshop operations at the Gölbaşı/Ankara production facility.

Why ASZ GRUP?

Reasons to Choose Us

Round Duct — EN 523/524 Compliant

Our round duct production meets EN 523/524 quality standards.

In-House Production Facility

We provide fast, reliable supply with a daily duct production capacity of 5,000 metres at our Gölbaşı/Ankara facility.

Experienced Field Team

We deliver professional on-site installation with our experienced engineers and technicians.

Rapid Mobilisation

We mobilise quickly and are on site on time across Turkey and on international projects.

Project-Specific Engineering

We develop bespoke engineering solutions for each project, with design support and technical consulting.

International Experience

We are ready for projects of every scale, drawing on experience from more than 150 domestic and international schemes.