Thailand

Top 12 largest Thai Companies in the Telecom Services industry by Market Cap

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

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Top Telecom Services Companies from Thailand as of Jan. 01, 2026

Rank Company Market Cap (USD) Country Sector Industry
1 Advanced Info Service PCL $28.79 B Thailand Thai Communication Services Thai Telecom Services
2 True Corp Public Company Ltd $12.28 B Thailand Thai Communication Services Thai Telecom Services
3 Intouch Holdings Public Company Ltd $9.39 B

(Jan. 1, 2025)

 Thailand Thai Communication Services Thai Telecom Services
4 Jasmine Telecom Systems Public Company Ltd $711.8 M Thailand Thai Communication Services Thai Telecom Services
5 Jasmine International PCL $368.4 M Thailand Thai Communication Services Thai Telecom Services
6 Samart Corp Public Company Ltd $161.3 M Thailand Thai Communication Services Thai Telecom Services
7 Forth Smart Service Public Company Ltd $156.5 M Thailand Thai Communication Services Thai Telecom Services
8 Samart Telcoms Public Company Ltd $77.7 M Thailand Thai Communication Services Thai Telecom Services
9 Symphony Communication Public Company Ltd $53.8 M

(July 1, 2025)

 Thailand Thai Communication Services Thai Telecom Services
10 Interlink Telecom Public Company Ltd $49.9 M

(July 1, 2025)

 Thailand Thai Communication Services Thai Telecom Services
11 Information and Communication Networks Public Company Ltd $38.8 M Thailand Thai Communication Services Thai Telecom Services
12 Total Access Communication Public Company Ltd Thailand Thai Communication Services Thai Telecom Services

Top Telecom Services Companies from Thailand as of Jan. 01, 2026

1. Advanced Info Service PCL

Company Profile: Advanced Info Service PCL
Market Cap (USD): $28.79 B
Country: Thailand
Sector: Thai Communication Services
Industry: Thai Telecom Services

2. True Corp Public Company Ltd

Company Profile: True Corp Public Company Ltd
Market Cap (USD): $12.28 B
Country: Thailand
Sector: Thai Communication Services
Industry: Thai Telecom Services

3. Intouch Holdings Public Company Ltd

Company Profile: Intouch Holdings Public Company Ltd
Market Cap (USD): $9.39 B (Jan. 1, 2025)
Country: Thailand
Sector: Thai Communication Services
Industry: Thai Telecom Services

4. Jasmine Telecom Systems Public Company Ltd

Company Profile: Jasmine Telecom Systems Public Company Ltd
Market Cap (USD): $711.8 M
Country: Thailand
Sector: Thai Communication Services
Industry: Thai Telecom Services

5. Jasmine International PCL

Company Profile: Jasmine International PCL
Market Cap (USD): $368.4 M
Country: Thailand
Sector: Thai Communication Services
Industry: Thai Telecom Services

6. Samart Corp Public Company Ltd

Company Profile: Samart Corp Public Company Ltd
Market Cap (USD): $161.3 M
Country: Thailand
Sector: Thai Communication Services
Industry: Thai Telecom Services

7. Forth Smart Service Public Company Ltd

Company Profile: Forth Smart Service Public Company Ltd
Market Cap (USD): $156.5 M
Country: Thailand
Sector: Thai Communication Services
Industry: Thai Telecom Services

8. Samart Telcoms Public Company Ltd

Company Profile: Samart Telcoms Public Company Ltd
Market Cap (USD): $77.7 M
Country: Thailand
Sector: Thai Communication Services
Industry: Thai Telecom Services

9. Symphony Communication Public Company Ltd

Company Profile: Symphony Communication Public Company Ltd
Market Cap (USD): $53.8 M (July 1, 2025)
Country: Thailand
Sector: Thai Communication Services
Industry: Thai Telecom Services

10. Interlink Telecom Public Company Ltd

Company Profile: Interlink Telecom Public Company Ltd
Market Cap (USD): $49.9 M (July 1, 2025)
Country: Thailand
Sector: Thai Communication Services
Industry: Thai Telecom Services

11. Information and Communication Networks Public Company Ltd

Company Profile: Information and Communication Networks Public Company Ltd
Market Cap (USD): $38.8 M
Country: Thailand
Sector: Thai Communication Services
Industry: Thai Telecom Services

12. Total Access Communication Public Company Ltd

Company Profile: Total Access Communication Public Company Ltd
Country: Thailand
Sector: Thai Communication Services
Industry: Thai Telecom Services

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