THAI COMPOSITES Company Limited

     Thai Composites Company Limited was established in 1999 to manufacture Reinforced Thermosetting Resin Conduit (RTRC) to substitute the import of conduit from Canada under the GRE trade mark. The company has produced electrical conduit with full range capacity in the year 2000. But the sales and marketing are conducted by the affiliated company, GRE Composites Co., Ltd. At that time, Thai Composites Co., Ltd. (TCC) was considered as a leading manufacturer of epoxy fiberglass products in Thailand, especially conduit.
Company Establishment

Thai Composites Company Limited was established to manufacture Reinforced Thermosetting Resin Conduit (RTRC) as a domestic alternative to imported conduit products from Canada under the GRE® trademark.
The company was founded with a clear vision to strengthen local manufacturing capability in high-performance composite materials.

Full Scale Production

The company achieved full-scale production of electrical conduit with a complete product range.
At the same time, sales and marketing operations were supported by the affiliated company, GRE Composites Co., Ltd.

Thai Composites quickly became recognized as one of the leading manufacturers of epoxy fiberglass products in Thailand, particularly in conduit systems.

ISO 9001:2000 Certification & Product Expansion

Thai Composites was certified under ISO 9001:2000, demonstrating its commitment to international quality standards.

The company expanded its product portfolio to include FRP piping systems for Industrial applications, Water supply systems, Wastewater treatment systems

All products were designed and manufactured in compliance with Thai Industrial Standards (TIS 1483, 1484, 1485).

ISO 9001:2008 Upgrade

The quality management system was upgraded to ISO 9001:2008, ensuring improved efficiency, better process control, and alignment with evolving industry standards.

Compliance with Industrial Standards (TIS 2018-2557)

Products and manufacturing processes were further aligned with updated Thai Industrial Standards, reinforcing product reliability and compliance for infrastructure and industrial applications.

ISO 9001:2015 Certification

The company successfully upgraded to ISO 9001:2015, demonstrating a strong focus on risk-based thinking, continuous improvement, and long-term operational excellence.

Green Industry Development

Thai Composites continues to move forward toward sustainable manufacturing, emphasizing environmentally responsible processes and green industry development.