THAILANDSICThailand Standard Industrial Classification

TSIC Activity

26702

Manufacture of optical instruments (except optical lenses)

ประกอบกิจการผลิตและจำหน่ายผลิตภัณฑ์จำพวกใยแก้วนำแสง หรือผลิตภัณฑ์ออปติก(optical products) และผลิตภัณฑ์อิเล็กทรอนิกส์ ผลิตภัณฑ์และส่วนประกอบแบบบูรณาการเครื่องกลไฟฟ้ากลางแจ้ง ได้แก่ เครื่องวัดระยะ กล้อง

What this activity covers

This activity involves the manufacture of various optical instruments excluding optical lenses.

  • Gun barrel glass — Manufacture of glass for gun barrels
  • Rangefinders — Manufacture of devices for measuring distance
  • Magnifying glasses — Manufacture of lenses for magnification
  • Optical measuring instruments — Manufacture of instruments for optical measurement
  • Light microscopes — Manufacture of microscopes using light
  • Binoculars — Manufacture of binocular viewing devices
  • Telescopes — Manufacture of instruments for distant viewing

What companies here also do

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

  • Optical components — Design and production of parts for optical devices
  • Optical electronic products — Production of electronic devices related to optics

Not included here

  • Production of electron and proton microscopes. See activity 26511.
  • Manufacture of finished instruments using lasers, see Manufacture of such machinery subgroup (e.g. medical lasers, see 26600).
  • Photocopier manufacturing, see activity 28170

Industry at a glance

as of 23 ก.ค. 69

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

12
active companies operate here
฿665.0Mregistered capital, combined
฿119.6M
Sector revenue · 2025
-54% since 2023
฿-33480611
Net profit · 2025
3 profitable
202320242025

net profitrevenue

Foreign investment

new registrations · 2026 YTD
100%of new registered capital is foreign-held
฿20.0M foreign฿0 Thai

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

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

New in 2026

1-50.0%

registrations, YTD

Registered capital

฿665.0M+85.8%

since year-end

Largest by registered capital

  1. 1CHUNHO OPTICS (THAILAND) CO., LTD.intlPhra Nakhon Si Ayutthaya฿500.0M
  2. 2TEOCHUANTHUA OPTOELECTRONIC TECHNOLOGY (THAILAND) CO., LTD.intlRayong฿50.0M
  3. 3A List Portfolio Co., Ltd.Bangkok฿35.0M

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.

6
Registered
since 2022
6
Still active
0
Dissolved
฿3.5M
Median capital
of active

New registrations per year

2022peak 3 in 20242025

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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