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From Foundation To Finish

We take care of every step of construction — from the foundation to full completion.
Handled by experienced engineers and specialists who pay attention to every detail,
ensuring strength, quality, and refined results in every square meter.

World-Class Construction Standards

Our Services

Our engineering team provides precise calculations and structural designs to ensure strength, safety, and compliance with industry standards.

Structural Design Services

Our design team delivers fully integrated interior solutions, tailored to your style and functional needs.

Interior Design Services

Standard-compliant electrical design and installation, ensuring safety, reliability, and long-term performance.

Electrical System Services

Well-structured system installation with strict quality control — delivering durability, efficiency, and smooth operation.

Plumbing & HVAC Systems

Comprehensive security system design and installation, ensuring full coverage, reliability, and real-world performance.

Security System Services

Standard-compliant sanitary system installation with strict quality control, ensuring long-term reliability and efficiency.

Sanitary System Services

Turnkey home construction — from design to handover — delivered by our in-house team.

Home Construction Services

High-quality aluminum and glass installations by experienced craftsmen, ensuring precision and durability.

Aluminum & Glass Works

9 Straight Construction Co., Ltd. is a full-service construction company with over 20 years of experience since 2005.

We specialize in residential and building construction, engineering systems, and architectural works — delivering comprehensive solutions with professional standards.

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Contact Info

  • 45 Soi Ramkhamhaeng 170, Yeak 13, Min Buri, Bangkok 10510
  • contact.9straight@gmail.com
  • 02-517-0745

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