Thailand

Top 16 largest Thai Companies in the Engineering & Construction industry by Market Cap

This is the list of the largest public listed companies in the Engineering & Construction industry from Thailand by market capitalization with links to their reference stock.

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Top Engineering & Construction Companies from Thailand as of Jul. 01, 2025

Rank Company Market Cap (USD) Country Sector Industry
1 CH. Karnchang Public Company Ltd $580.7 M Thailand Thai Industrials Thai Engineering & Construction
2 Sino-Thai Engineering and Construction Public Company Ltd $377.9 M

(July 1, 2024)

 Thailand Thai Industrials Thai Engineering & Construction
3 T Engineering Corp Public Company Ltd $200.6 M

(Nov. 1, 2021)

 Thailand Thai Industrials Thai Engineering & Construction
4 Unique Engineering and Construction Public Company Ltd $100.7 M Thailand Thai Industrials Thai Engineering & Construction
5 Syntec Construction Public Company Ltd $80.6 M Thailand Thai Industrials Thai Engineering & Construction
6 TEAM Consulting Engineering and Management Public Company Ltd $69.1 M Thailand Thai Industrials Thai Engineering & Construction
7 Seafco Public Company Ltd $47.1 M Thailand Thai Industrials Thai Engineering & Construction
8 Pylon Public Company Ltd $46.3 M Thailand Thai Industrials Thai Engineering & Construction
9 Demco Public Company Ltd $44.7 M Thailand Thai Industrials Thai Engineering & Construction
10 J.R.W. Utility Public Company Ltd $40.3 M Thailand Thai Industrials Thai Engineering & Construction
11 BJC Heavy Industries Public Company Ltd $39.3 M Thailand Thai Industrials Thai Engineering & Construction
12 Italian-Thai Development Public Company Ltd $39.1 M Thailand Thai Industrials Thai Engineering & Construction
13 Stonehenge Inter Public Company Ltd $36.8 M Thailand Thai Industrials Thai Engineering & Construction
14 Pre-Built Public Company Ltd $33.0 M Thailand Thai Industrials Thai Engineering & Construction
15 TRC Construction Public Company Ltd $22.4 M Thailand Thai Industrials Thai Engineering & Construction
16 TTCL Public Company Ltd $16.0 M Thailand Thai Industrials Thai Engineering & Construction

Top Engineering & Construction Companies from Thailand as of Jul. 01, 2025

1. CH. Karnchang Public Company Ltd

Company Profile: CH. Karnchang Public Company Ltd
Market Cap (USD): $580.7 M
Country: Thailand
Sector: Thai Industrials
Industry: Thai Engineering & Construction

2. Sino-Thai Engineering and Construction Public Company Ltd

Company Profile: Sino-Thai Engineering and Construction Public Company Ltd
Market Cap (USD): $377.9 M (July 1, 2024)
Country: Thailand
Sector: Thai Industrials
Industry: Thai Engineering & Construction

3. T Engineering Corp Public Company Ltd

Company Profile: T Engineering Corp Public Company Ltd
Market Cap (USD): $200.6 M (Nov. 1, 2021)
Country: Thailand
Sector: Thai Industrials
Industry: Thai Engineering & Construction

4. Unique Engineering and Construction Public Company Ltd

Company Profile: Unique Engineering and Construction Public Company Ltd
Market Cap (USD): $100.7 M
Country: Thailand
Sector: Thai Industrials
Industry: Thai Engineering & Construction

5. Syntec Construction Public Company Ltd

Company Profile: Syntec Construction Public Company Ltd
Market Cap (USD): $80.6 M
Country: Thailand
Sector: Thai Industrials
Industry: Thai Engineering & Construction

6. TEAM Consulting Engineering and Management Public Company Ltd

Company Profile: TEAM Consulting Engineering and Management Public Company Ltd
Market Cap (USD): $69.1 M
Country: Thailand
Sector: Thai Industrials
Industry: Thai Engineering & Construction

7. Seafco Public Company Ltd

Company Profile: Seafco Public Company Ltd
Market Cap (USD): $47.1 M
Country: Thailand
Sector: Thai Industrials
Industry: Thai Engineering & Construction

8. Pylon Public Company Ltd

Company Profile: Pylon Public Company Ltd
Market Cap (USD): $46.3 M
Country: Thailand
Sector: Thai Industrials
Industry: Thai Engineering & Construction

9. Demco Public Company Ltd

Company Profile: Demco Public Company Ltd
Market Cap (USD): $44.7 M
Country: Thailand
Sector: Thai Industrials
Industry: Thai Engineering & Construction

10. J.R.W. Utility Public Company Ltd

Company Profile: J.R.W. Utility Public Company Ltd
Market Cap (USD): $40.3 M
Country: Thailand
Sector: Thai Industrials
Industry: Thai Engineering & Construction

11. BJC Heavy Industries Public Company Ltd

Company Profile: BJC Heavy Industries Public Company Ltd
Market Cap (USD): $39.3 M
Country: Thailand
Sector: Thai Industrials
Industry: Thai Engineering & Construction

12. Italian-Thai Development Public Company Ltd

Company Profile: Italian-Thai Development Public Company Ltd
Market Cap (USD): $39.1 M
Country: Thailand
Sector: Thai Industrials
Industry: Thai Engineering & Construction

13. Stonehenge Inter Public Company Ltd

Company Profile: Stonehenge Inter Public Company Ltd
Market Cap (USD): $36.8 M
Country: Thailand
Sector: Thai Industrials
Industry: Thai Engineering & Construction

14. Pre-Built Public Company Ltd

Company Profile: Pre-Built Public Company Ltd
Market Cap (USD): $33.0 M
Country: Thailand
Sector: Thai Industrials
Industry: Thai Engineering & Construction

15. TRC Construction Public Company Ltd

Company Profile: TRC Construction Public Company Ltd
Market Cap (USD): $22.4 M
Country: Thailand
Sector: Thai Industrials
Industry: Thai Engineering & Construction

16. TTCL Public Company Ltd

Company Profile: TTCL Public Company Ltd
Market Cap (USD): $16.0 M
Country: Thailand
Sector: Thai Industrials
Industry: Thai Engineering & Construction

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