About Accounting  

- The revenue Department http://www.rd.go.th
- The Customs Department http://www.customs.go.th/
- The Excise Department http://www.excise.go.th/
- Nukbunchee.com (2003) Co.,Ltd. http://www.nukbunchee.com
- Dharmniti Law Office Co., Ltd. http://www.dharmniti.co.th/
- Department of Business Development http://www.dbd.go.th
- Bangkok Bank http://www.bangkokbank.com
- Kasikorn Bank http://www.kasikornbank.com
- KrungThai Bank http://www.ktb.co.th
- Siam Commercial Bank http://www.scb.co.th
   
About Safety System  

- Working Safety Institute http://www.oshthai.org
- Safety and Health at work Promotion Association http://www.shawpat.or.th/
- Safety Thai http://www.safetythai.com/
- Siam Safety http://www.siamsafety.com/
- Department of Industrial Works http://www.diw.go.th/
- NPC Safety and Environmental Service Co., Ltd. http://npc-se.co.th
   
About Personal Department  

- Ministry of Labour and Social Welfare http://www.mol.go.th/
- Social Security Office http://www.sso.go.th
- Department of Skill Development http://www.dsd.go.th/
- Immigration Bureau http://www.immigration.go.th
   
About Transportation  

- Ministry of Transport and Communication http://www.portal.mot.go.th
- Department of Insurance http://www.doi.go.th
   
About IT  

- Thaiadmin Group. http://www.thaiadmin.org/board/
- Thai FreeBSD Social User Group in Thailand http://www.thaibsd.com/
- ADSL Thailand http://www.adslthailand.com/
   
About ISO  

- Ministry of Natural Resources and Environment http://www.mnre.go.th
- Pollution Control Department http://www.pcd.go.th
- Department of Environmental Quality Protection http://www.deqp.go.th
- Environmental Tips http://www.environnet.in.th
- Bureauveritas Co., Ltd. http://www.bureauveritas.com