Bangkok, Thailand (Usha Siam Steel industries Public Company Limited)

The Bangkok facility, under Usha Siam Steel Industries Limited (USSIL), is the largest wire and wire rope manufacturing company of Thailand. USSIL was incorporated in 1980 and today the company manufactures a wide range of products such as Steel Wire Rope, Auto Cables, Fine Rope, Strands, and Specialty Wires that find application in piling, oil & gas drilling, elevator, crane & hoist, fishing, auto cables, braded cables, highway guard ropes, and garage door ropes.

Usha Siam is among the largest integrated Steel Wires, Industrial Strands, Control Cables, and Wire Ropes Plants based in the ASEAN region.


  • Wire rope
  • Gondola Rope
  • PVC coated rope
  • GAC/Control cable
  • Industrial strand
  • Wires

Usha Siam is ISO-9001 accredited and is having approvals from Lloyds Register, Japanese Industrial Standards for JIS G 3525, American Petrolium Institute – API spec 9A licence, American Bureau of Shipping (ABS), and Det Norske Veritas (DNV).

QA Certification

Usha Siam has most of the key certifications including:

  • Thai Industrial Standard Institute
  • American Petroleum Institute
  • Lloyd’s Register Approved Manufacturer Of Steel Wire Rope
  • JISG 3525
  • Quality Management System Certification Institute (Thailand) ISO 9001/2008
  • Lloyd’s Register Approved Welding Consumable
  • DNV Approval Of Manufacturer
  • TPM Excellence Award
  • ABS


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