THAILANDSICThailand Standard Industrial Classification

TSIC Activity

23992

Manufacture of mineral insulating materials

ประกอบกิจการผลิต และจำหน่าย ฉนวนกันความร้อน ผลิตภัณฑ์จากซิลิโคนที่ใช้ในรถยนต์ เครื่องใช้ไฟฟ้า และผลิตภัณฑ์อิเล็กทรอนิกส์อื่นๆ

Definition

Production of insulating materials from various minerals, such as slag insulation, asbestos insulation or other similar minerals, such as expanded vermiculite, expanded clay minerals, and heat-insulating, sound-proofing and sound-absorbing materials.

Excluded from this code

  • Manufacture of glass fibres and products thereof, not woven, see activity 23103.
  • Manufacture of carbon or graphite gaskets, see activity 28199

Industry at a glance

as of 22 ก.ค. 69

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

58
active companies operate here
฿1.7Bregistered capital, combined
฿4.0B
Sector revenue · 2025
-38% since 2023
฿47.7M
Net profit · 2025
29 profitable
202320242025

net profitrevenue

Foreign investment

new registrations · 2026 YTD
0%of new registered capital is foreign-held
฿0 foreign฿2.0M Thai

Based on few new registrations this year — read as a rough signal only.

1 of the 5 largest companies here are foreign-owned Thailand subsidiaries.

New in 2026

1-75.0%

registrations, YTD

Registered capital

฿1.7B-0.1%

since year-end

Largest by revenue

  1. 1วอลล์ เทคโนโลยี จำกัด฿938.9M
  2. 2ร็อควูล (ประเทศไทย) จำกัดintl฿627.0M
  3. 3ยูนิโปร แมนูแฟคเจอริ่ง จำกัด฿522.4M
  4. 4เท็มโก้ ออโต้พาร์ท จำกัด฿305.4M
  5. 5บีซีเอฟ พาแนล จำกัด฿257.8M

Largest by registered capital

  1. 1ร็อควูล (ประเทศไทย) จำกัดintlRayong฿475.0M
  2. 2วอลล์ เทคโนโลยี จำกัดNakhon Pathom฿300.0M
  3. 3คิงสแปน อินซูเลท พาแนลส์ (ประเทศไทย) จำกัดintlPhra Nakhon Si Ayutthaya฿225.0M

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.

12
Registered
since 2022
12
Still active
0
Dissolved
฿3.5M
Median capital
of active

New registrations per year

2023peak 5 in 20242026

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.

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