Thai System Integration Co., Ltd., the internet service provider under
the name “True” as well as SI, NI. Company offers all members with advanced technology and quality Services to meet the demand of internet users the best.


We offers the internet access to members, both private and public sectors 24 hours-a-day and a wide variety of service to both corporate customers and individual customers. Our Corporate Services include Leased Line, ADSL / SDSL, Cable internet, Building internet (TDSL), hosting Services.

Specially, we are one of large distributor providing CISCO, 3Com and other network & internet equipment.


Thai System Integration Co., Ltd., emerged to provide a full range of Internet-related services since Feb, 1999 . Key success factors of our company division are unlimited creativity and high performance staff who make our creativity come true.

Everyday our staff try so hard to create new things that home never existed in the world of Internet before. Because we think the endless technology of Internet gives us a chance to compete with other programmers, system analysts and software developers form developed countries. Carry on surfing and you will know how we can do it !!

Thank you

CEO/ President