TSIC Activity
Cutting, shaping and finishing of diamonds and precious stones
ประกอบกิจการผลิต แปรรูป ดำเนินการเสนอขาย เจียระไน ขัดเงา ออกแบบ บด กรอ คัดแยกคุณภาพ ออกแบบ เพชร พลอย อัญมณีทุกชนิด
What this activity covers
This activity involves cutting, shaping, and finishing diamonds and precious stones, including synthetic varieties.
- Diamond cutting — Shaping and finishing diamonds
- Gemstone cutting — Shaping and finishing precious and semi-precious stones
- Dressed pearls production — Manufacturing dressed pearls
- Synthetic stones manufacturing — Producing synthetic precious stones
- Artificial stones production — Creating artificial precious or semi-precious stones
What companies here also do
Seen in real company registrations under this code — beyond the official definition, so licensing may differ.
- Jewellery design — Creating and designing jewellery and accessories
- Gemstone grinding — Grinding services for gemstones
- Jewellery sales — Selling jewellery and gemstones
Foreign ownership
Production of goldware, silverware, nielloware, bronzeware or lacquerware
The mapped TSIC group covers jewellery and related articles generally.
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. 69The whole registered industry under this activity, every registration year, from the DBD DataWarehouse.
net profitrevenue
Foreign investment
new registrations · 2026 YTDBased on few new registrations this year — read as a rough signal only.
New in 2026
registrations, YTD
Registered capital
since year-end
Largest by revenue
Latest filed-year revenue, not a multi-year total
- 1PAYDOCKER (THAILAND) CO., LTD.฿833.6M
- 2Chien Co., Ltd.฿648.3M
- 3Bastian Co., Ltd.฿219.9M
- 4HAL James Co., Ltd.฿198.3M
- 5Indium Go Co., Ltd.฿130.2M
Largest by registered capital
- 1Thai Mei Co., Ltd.Ratchaburi฿252.0M
- 2Chien Co., Ltd.Bangkok฿150.0M
- 3Alpha D.I. (Thailand) Co., Ltd.intlPathum Thani฿117.0M
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
Largest active companies by registered capital
- NEW FACTORED CO., LTD.Private limited company · สมุทรสาคร฿5.0M
- AMINA GOLD REFINERY TECH CO., LTD.Private limited company · กรุงเทพมหานคร฿4.0M
- บจ.ไพรม์โค เลกาซี เจ็มส์ จำกัดPrivate limited company · จันทบุรี฿4.0M
- JULUUR JEWELRY CO., LTD.Private limited company · กรุงเทพมหานคร฿3.0M
- ROSIE BLUE JEWELRY (THAILAND) CO., LTD.Private limited company · กรุงเทพมหานคร฿2.0M
- AL NOOR GEMS COLLECTION CO., LTD.Private limited company · กรุงเทพมหานคร฿2.0M
- บจ.เจมทัช จำกัดPrivate limited company · กรุงเทพมหานคร฿2.0M
- GLOBAL STAR GEMS CO., LTD.Private limited company · กรุงเทพมหานคร฿1.0M
- L.V. JAMES CO., LTD.Private limited company · กรุงเทพมหานคร฿1.0M
- INTA JEWELRY CUTTING DIAMOND AND STONE MANUFACTURE CO., LTD.Private limited company · สมุทรปราการ฿1.0M
- MIRACLE CUTTING MACHINE CO., LTD.Private limited company · กรุงเทพมหานคร฿1.0M
- LIMITED PARTNERSHIP SIAM BIZ SERVICESRegistered ordinary partnership · ระยอง฿1.0M
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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