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Inside Tarmak Laboratories accredited testing facility
About Tarmak

Oman's trusted materials testing partner

Independent, ISO 17025 accredited laboratories in Ghala and Sohar — delivering precise, dependable results for Oman's construction and infrastructure sectors.

  • 25+ Years of experience
  • 2 Laboratories in Oman
  • 4 ISO certifications
  • ISO 17025 Accredited
Concrete testing at Tarmak Laboratories Ghala & Sohar
25+ Years of materials testing experience
Who we are

Built on precision, pace, and professionalism

Tarmak Laboratories LLC is an independent material testing facility in Ghala and Sohar, ISO/IEC 17025 accredited and certified to ISO 9001, 14001, and 45001. With over 25 years of experience in construction materials testing, we provide dependable services across aggregate, concrete, soil, asphalt, NDT, and chemical analysis per ASTM, BS, BS EN, AASHTO, GSO, and ISO standards.

Our state-of-the-art laboratories are staffed by highly qualified experts and equipped with cutting-edge apparatus — serving construction companies, engineering firms, and government agencies with reliable findings delivered on schedule.

ISO/IEC 17025 ISO 9001 ISO 14001 ISO 45001 DGSM JSRS
Our purpose

Mission & vision

Our Mission

To offer our clients in the infrastructure and construction sectors precise and dependable material testing services — upholding the highest standards of safety, ethics, and professionalism while delivering top-quality outcomes in a timely and economical manner.

Our Vision

To be the leading provider of material testing services in Oman, recognised for our expertise, innovation, and dedication to quality — building lasting client relationships by investing in our people, technology, and processes to meet the evolving demands of our industry.

What drives every test we run

Rooted in the standards that built Tarmak’s reputation — accurate results, ethical practice, and lasting partnerships with clients across Oman’s construction and infrastructure sectors.

Chemical analysis testing at Tarmak Laboratories

Accuracy & Trust

Accurate, trustworthy results in every test — with strict adherence to ISO/IEC 17025 and international standards.

Tarmak Laboratories testing facility interior

Safety & Professionalism

Dependable testing with the highest standards of safety, ethics, and professionalism — in the lab and on site.

Construction materials testing on project site

Client Partnership

We work closely with every client to meet unique needs and deliver clear, standards-based reports.

Our Team

The people behind every result

Experienced leaders and specialists across laboratory operations, quality management, and client delivery — supporting accredited testing in Ghala and Sohar.

Muhammed Al Harassi

Chairman

Balu Sudhakaran

Country Manager

Ajeesh Jayalal

Executive Laboratory Manager

Remmy Rajendran

Operations Manager

Tarmak Laboratories leadership
Leadership

Chairman's Message

Dear valued clients,

I am proud of the strides Tarmak Laboratories has made in establishing itself as a premier third-party testing laboratory in Oman. Our commitment to precision, reliability, and customer satisfaction remains unwavering — we understand the critical role accurate testing plays in ensuring the safety and quality of construction projects across the Sultanate.

We continue to invest in cutting-edge technologies, enhance our capabilities, and nurture a team of skilled professionals dedicated to the highest standards of integrity and proficiency. I extend my heartfelt gratitude to our clients and employees for their trust and support.

Muhammed Al Harassi Chairman, Tarmak Laboratories LLC

Ready to discuss your testing requirements?

Speak with our specialists about scope, standards, and turnaround for your next project.

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