THAILANDSICThailand Standard Industrial Classification

TSIC Activity

08104

Mining of clay

ประกอบกิจการทำเหมืองดิน จำหน่ายหิน ดิน ทรายเพื่อการก่อสร้าง

What this activity covers

This activity involves the mining of clay and other soils for industrial use.

  • Clay mining — Extraction of clay for various applications
  • Kaolin mining — Mining of kaolin for ceramics and other products
  • Refractory clay mining — Extraction of clay used in firebrick production
  • Soil mining — General mining of various soils
  • Drilling mud production — Production of drilling mud from mined materials

What companies here also do

Seen in real company registrations under this code — beyond the official definition, so licensing may differ.

  • Processing — Processing of mined clay and soils
  • Transportation — Transporting mined materials to customers
  • Exploration — Exploring new mining sites for clay and soils
  • Sales of construction materials — Selling mined materials for construction purposes

Foreign ownership

List 2: Restricted, Cabinet routeinherited from 08

Mining, including rock blasting or rock crushing

Mineral concessions are separately governed by the Minerals Act, which carries its own nationality requirements.

FBA B.E. 2542, List 2, Chapter 3 (12)Routes: Cabinet permission, US Treaty of Amity

Auto-mapped, verify against the Act. These TSIC mappings are indicative, not legal advice; the schedules of the Foreign Business Act B.E. 2542 are the authority. See the full foreign ownership reference.

Industry at a glance

as of 23 ก.ค. 69

The whole registered industry under this activity, every registration year, from the DBD DataWarehouse.

43
active companies operate here
฿423.2Mregistered capital, combined
฿696.2M
Sector revenue · 2025
-16% since 2023
฿28.7M
Net profit · 2025
17 profitable
202320242025

net profitrevenue

New in 2026

0+0.0%

registrations, YTD

Registered capital

฿423.2M+29.6%

since year-end

Largest by revenue

Latest filed-year revenue, not a multi-year total

  1. 1Asia Mining Industry Co., Ltd.฿374.7M
  2. 2Sermas Co., Ltd.฿84.6M
  3. 3Chin Chana White Clay Co., Ltd.฿54.7M
  4. 4Kiu Lom Co., Ltd.฿50.9M
  5. 5Lampang Gaoline Mining Co., Ltd.฿22.4M

Largest by registered capital

  1. 1Siam Soil Co., Ltd.Samut Prakan฿108.5M
  2. 2Asia Mining Industry Co., Ltd.Bangkok฿50.0M
  3. 3Thom Permpoon Co., Ltd.Bangkok฿40.0M

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 all

New DBD registrations under this activity since 2022, the period the registry snapshot covers, not the full historical register.

4
Registered
since 2022
4
Still active
0
Dissolved
฿1.0M
Median capital
of active

New registrations per year

2022peak 3 in 20222023

Largest active companies by registered capital

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.

Emerhub

Restricted activity? There is usually a route.

Emerhub structures foreign-owned companies around FBA restrictions: Foreign Business Licence applications, BOI promotion, and compliant shareholding structures. Talk through your case before you commit to one.

Talk to Emerhub Thailand