Related regulatory pages
Business guidesOpen activity-level setup pages after selecting a TSIC code.
Business licencesReview permit checkpoints linked to the activity.
Foreign ownershipCheck FBA and BOI routing before relying on ownership assumptions.
Tax ratesOpen the tax pages that usually matter after selecting a TSIC code.
StandardsCheck product and regulator checkpoints tied to the activity.
Company registryUse registry pages when the code selection affects setup or verification work.
ProvincesReview local wage and operating context next to the classification tree.
Official extract note
- Official NSO TSIC ebook page: 102
- This classification label was imported from the official TSIC PDF extract and linked back to the DBD and NSO routes used in this portal.
Classes in this group
TSIC class 4321Electrical inst allationBrowse TSIC class 4321 Electrical inst allation with linked five-digit activity codes and practical reference routes for Thailand.TSIC class 4322Plumbing, heat andair-conditioning installationBrowse TSIC class 4322 Plumbing, heat andair-conditioning installation with linked five-digit activity codes and practical reference routes for Thailand.TSIC class 4329Other construction ins tallationBrowse TSIC class 4329 Other construction ins tallation with linked five-digit activity codes and practical reference routes for Thailand.
Final five-digit codes in this group
TSIC 43210Electrical inst allationTSIC 43210 identifies Electrical inst allation in Thailand.TSIC 43221Water plumbing and drain laying insta llationTSIC 43221 identifies Water plumbing and drain laying insta llation in Thailand.TSIC 43222Heating system installationTSIC 43222 identifies Heating system installation in Thailand. The English activity name is an editorial translation of the official Thai TSIC label.TSIC 43223Air conditioning and ventilation installationTSIC 43223 identifies Air conditioning and ventilation installation in Thailand.TSIC 43291Insulation installationTSIC 43291 identifies Insulation installation in Thailand.TSIC 43299Other construction installation, n.e.cTSIC 43299 identifies Other construction installation, n.e.c in Thailand.