Internet Service Providers (ISPs) in Thailand. Broadband Services.

 Thai Internet Service Provider Association
TISPA does not enforce any industrial rule or practice but promotes collaboration and cooperation with all stakeholders in the Internet Society : general public, ISPs, regulators, government agencies, industry peers etc. relevant to ISP services.
http://www.tispa.or.th/
 Symphony Communication Public Co. Ltd.
Symphony Communication is a Telecommunication network and service provider in Thailand. It provides high speed and reliable network for both domestic and international connectivity and value-added services in Thailand and ASEAN. Cloud service.
https://www.symphony.net.th/
 3 BB Broadband
3BB can provide broadband services by ADSL or Fiber to the Home (FTTH). Wifi network in Bangkok, cloud storage services.
http://www.3bb.co.th/
 Samart Infonet Co. Ltd.
Samart Infonet provides Internet services with various options suitable for consumers, small to large companies along with government organizations.
http://www.samarts.com/
 True Internet Corporation Co. Ltd.
True Internet Corporation provides Internet solutions of enterprises and SMEs. Cloud services, co-location services, DDos protection, SSL VPN, web hosting.
https://www.trueinternet.co.th/
 CS Loxinfo Public Co. Ltd.
CS LoxInfo is the largest Internet service provider in Thailand. Services include standard dialup connections and high–performing networks of both the satellite and fiber–optic systems that enable fast and reliable connectivity across Thailand.
http://www.csloxinfo.com/
 True Online
True Online provides three ways to get broadband services : ADSL, cable modem, Fiber to the Home (FTTH). Wifi services.
http://trueonline.truecorp.co.th/
 KSC Commercial Internet Co. Ltd.
KSC was the first commercial Internet service provider (ISP) in Thailand. It now is a full-range Internet and business solutions provider. Corporate Ethernet and leased line provider. Biz co-location, cloud services. Web hosting, SSL certificates, domain name registrations.
https://www.ksc.net/

 TOT HotSpot
TOT Company offers 1 Mbps high speed wireless Internet with an outstanding service. The standard of security is high–quality for user to access. Purchase the account and use TOT Wi–Fi service area nationwide.
http://www.tothotspot.th.com/
 Internet East Company, Sriracha, Chonburi
Internet East Company : Internet access in the eastern provinces, including Pattaya, Chonburi, Sriracha, Rayong. ADSL broadband. Web design and hosting, network consulting.
http://www.ine.co.th/
 Internet Thailand
Offers both individual and corporate user accounts. International bandwidth totals 10Mbps with fiber optic circuits.
http://www.inet.co.th