- Putti Tiasuwan
- Address:53 / 53 Soi Viphawadee 50 Viphawadee Rd.
- Siamsilverstars Inc.
- Address:116 / 131 Mu 4 T. Taladkwan A; Doi Saket
- uyinclick
- Address:916 / 57, Rama III Road, SV Tower
- OROGEMS MANUFACTURING LTD
- Address:8 / 19-20 Soi Sukhapiban 2 Soi 31. , Kwang Dokmai, Khet Praves
- J.P.Partnership
- Address:99 / 6 Moo 10, Bangpai
- Miracle Pearl Co.Ltd.
- Address:112 Onnuch 70 / 1 Rd. , Pravate
- KATE SILVER Co.,Ltd.
- Address:23 Charoen-Krung Rd. , Wangburapa, Pranakorn
- Anil Yigitoglu
- Address:
- Ausiris Jewellery Co.,Ltd
- Address:999 / 9, The Offices At Central World 25th
- Marilyn L. Vigilia
- Address:433 Soi Phongsopa, Onnut 46, Sukhumvit 77 Road
- Silver Design 925 By Vuthikor
- Address:563 Chareonakon 5/1, Klongsar
- Thetreegems
- Address:227 / 207 Country Complex C, Sanphawut Road
- Gems Born Since 1976 Co.,Ltd
- Address:35 / 105-106 Moo 7, Chanthanimitr, Muang
- athaan gem & Jewelry ltd
- Address:448 Subkaew Tower, Thanon Pratchauthit rd, Kaet huaykwang
- intercolor gems
- Address:Bangkok Sukhumvit Road
- Siam Sourcing Limited
- Address:72b Langsuan Soi 5 (Tonson) Ploenchit Road Pathumwa
- Siriphan International Co.,Ltd.
- Address:Sukhumvit 101 Rd.
- Minerwa Company Limited
- Address:2154/28 Sukhumvit Road, Bangjak
- Preen Jewelry
- Address:1249/1 G Floor, Gems Tower Bldg., Charoenkrung
- Darach Silver Co.,Ltd.
- Address:59 Chakkrapong Rd.