The Builder with
a Commitment
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Specialised in Steel Fabrication
who we are

Our company was found in 1982 under the name of ‘Navakam engineering Ltd.’ which later on May, 1986 has became Summa N.K. Contracting Co. Ltd.

what we do

We are specialised in fabricating steel structure, platework, storage/high-pressure tank and silo, piping work and ducting working as well as servicing machine installation, election work, insulation work, and painting work.

our mission & vision

Summa N.K. Contracting Co., Ltd. is committed to provide the most cost effective and high quality services in order to achieve client’s highest satisfaction.

"We have built not only a solid reputation on quality, integrity and responsibility, but also a lifelong relationship with our partners and clients."

Years of Experience

38

Completed Projects

4,652

Trained professionals

295

Number of client

330

international clients

28
our quality policy
"คุณภาพนำหน้า
ลูกค้าพอใจ
พัฒนาก้าวไกล
ใส่ใจบริการ"

We commit in improving ourselves to meet maximum client’s satisfaction by delivering qualified products and services to all of our clients.

ISO Certify
(+66) 2567-1341-4
telephone (auto)
OUR CORE values
Great Service

We have built an agile, responsive service which focuses on our clients’ desires.

Highest Standard

We are committed to upholding high standard in all we conduct.

Professional Team

Deliver a quality service and consistent by professional teams in collaborative environment.

Creative Solution

Provide innovative and customized solutions with certainty of fulfillment.

About Us
Deliver work to achieve goal

We are specialised in fabricating steel structure, platework, storage/high-pressure tank & silo, piping work and ducting working as well as servicing machine installation, election work, insulation work, and painting work. Apart from being the steel fabricator, we also provide civil and electrical works to cover a full scope of our supply.

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Our Company, Summa N.K. Co., Ltd. (Summa) is a leading steel fabricator in Thailand and currently expanding our services across the world. Since we have been working with international clients for over a decade, we have become specialised in steel structure and platework fabrication for heavy industries such as mining industry.

Apart from these, our supply includes fabrication of piping spool, pressure vessel, tank, heater/reformer, ducting work, thickener and flotation. Along the side, we offer services in machine installation, insulation work, painting and site erection.

Our commitment have brought us repeating clients for all these years, and hence it has led us toward a continual improvement of cost effectiveness, high quality of products and services as well as optimal delivery time.

What We Do

The category of our services provided shall be dedicated but not limited to:

We, Summa N.K. Contracting C., Ltd. Has Provided general contracting services to
customer with decades of experience in a wide range of Industrial plants such as:

- Mining; Gold, Silver, Lead, Copper, etc.
- Paint Manufacturing Plant
- Steel Plant
- Food Plant
- Ceramic Plant
- Particle Board Plant
- MDF Plant
- Solvent Extraction Plant
- Construction
- Upstream Petrochemical Plant
- Downstream Petrochemical Plant
- Paper and Pulp Mill
- Refinery
- Glass Plant
- Starch Plant
- Power Plant
- Tyre Plant
- Chemical plant
- Sanitary Plant
- Biomass Plant

our mission and vision
"We are committed to be the top steel fabricator who provides the most cost-effective and high-quality products and services for client’s highest satisfaction"
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