Thailand Standard Industrial Classification (TSIC)
- Section A – Agriculture, Forestry and Fishing
- Section B – Mining and Quarrying
- Section C – Manufacturing
- Section D – Electricity, Gas, Steam and Air Conditioning Supply
- Section E – Water Supply; Sewerage, Waste Management
- Section F – Construction
- Section G – Wholesale and Retail Trade
- Section H – Transportation and Storage
- Section I – Accommodation and Food Service Activities
- Section J – Information and Communication
- Section K – Financial and Insurance Activities
- Section L – Real Estate Activities
- Section M – Professional, Scientific and Technical Activities
- Section N – Administrative and Support Service Activities
- Section O – Public Administration and Defence
- Section P – Education
- Section Q – Human Health and Social Work Activities
- Section R – Arts, Entertainment and Recreation
- Section S – Other Service Activities
- Section T – Activities of Households as Employers
- Section U – Activities of Extraterritorial Organizations and Bodies