Manufacturer of quality concrete and brick blocks Certified to both local and international standards
Thai Industrial Standards
มอก.57,58 ,59, 60
American Standard (ASTM)
ASTM C140 ,C90
French Standard
NF P 14-402
มอก.57-2560
มอก.58-2560
มอก.2895-2564
มอก.59-2561
มอก.60-2560
มอก.2035-2565
มอก.827-2565
Blocks produced per year
+
million pieces
Blocks produced per day
+
pieces
Number of factories
standard factories
Factory area over
rai
Machinery from the USA
Produced under Thai Industrial Standards (TIS)
Guaranteed quality
Nationwide delivery service throughout Thailand
Delivery service
The largest block factory in Thailand
With over 80 rai of land, our factory produces more than 36 million blocks per year and over 200,000 per day.
Wongklom Factory operates with a commitment to sustainability, emphasizing environmental conservation, optimizing production efficiency, minimizing waste, and ensuring a healthy and safe workplace.
Uses machinery from the USA and complies with both TIS and ASTM standards.
Factory No.
2
Operates under TIS standards.
Factory No.
3
Produces TIS-certified and high-compression blocks.
Factory No.
4
Produces patterned or custom-made blocks.
Factory No.
5
Produces standard 7 cm hollow blocks.
Factory No.
6
Produces solid bricks such as Fast Bricks and other solid types.
Wongklom, Thailand’s Leading Concrete Block Manufacturer, Wins Silver at SMEs Excellence Awards 2025
Wongklom Co., Ltd. has been awarded the Silver Level at the SMEs Excellence Awards 2025 in the Manufacturing category, organized by the Thailand Management Association (TMA) in collaboration with Sasin School of Management, Chulalongkorn University, with nomination by SCG. This prestigious recognition reinforces Wongklom’s excellence in management, manufacturing standards, innovation, and sustainable business practices as a Professional Block Maker of Thailand.
Get to know us better
Carbon Footprint for Organization (CFO) Certification for Wong Klom Company Limited
Wong Klom Company Limited has been officially certified by the Thailand Greenhouse Gas Management Organization (TGO) under the Carbon Footprint for Organization (CFO) standard, confirming that the company’s greenhouse gas emissions have been verified in accordance with TGO guidelines. The certification covers the verification period 1 January 2024 – 31 December 2024, with total Scope 1 & 2 emissions reported at 1,170 tCO₂e per year. This certification demonstrates the company’s commitment to transparent and standardized greenhouse gas management practices.