TSIC Activity
Activities of trade unions
กิจกรรมของสหภาพแรงงาน
What this activity covers
This activity involves promoting the interests of trade unions and their members regarding wages and working conditions.
- Trade union activities — Promotion of labor interests and representation
- Employee representation — Advocating for employee views within unions
- Factory trade unions — Activities of unions specific to individual factories
- Network unions — Collaboration among unions across different sectors
- Affiliated unions — Activities of unions linked by trade or region
Not included here
- Studies organized by these organizations, see subcategory 85.
Industry at a glance
as of 23 ก.ค. 69The whole registered industry under this activity, every registration year, from the DBD DataWarehouse.
net profitrevenue
New in 2026
registrations, YTD
Registered capital
since year-end
Largest by revenue
Latest filed-year revenue, not a multi-year total
Largest by registered capital
- 1Olar Mahasarn Group Co., Ltd.Samut Sakhon฿1.0M
Source: Department of Business Development DataWarehouse. Financial figures are combined totals of companies that filed statements; revenue and profit shown for the latest three reporting years.
Companies registered since 2022
Browse allNew DBD registrations under this activity since 2022, the period the registry snapshot covers, not the full historical register.
New registrations per year
Source: Department of Business Development (DBD) new-registration records, 2022 to present. Counts cover companies first registered in that window, reflect the latest snapshot load, and may lag the live register.
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