Asia Trading Post: Trade, business and general directory.
Business Online: Directory of all registered Thai companies.
Modern Thailand: Thailand's business and travel directory featuring categorized listings with free registration in English, Chinese and Thai
Samart E-Solutions: Offers ecommerce solutions funded by the government.
Teleinfo Media: Thai Yellow Pages Site.
Thai Trade Source: Products and services directory and general information about Thailand.
Thai-Trade.Com: Thai companies' web sites categorized by product; trade and business related information. Lists only active English language sites.
Thailand.com: Thailand exporters' directory featuring company information, export news, trade events and forum.
Thaileads.com: Thai manufacturers' directory featuring a message board.
ThaiSpider.com: Local search engine.
The Thailand Business Directory: Thailand's e-commerce directory, with categorized listings, links to free downloads, chat room.