|

|
Asian Institute of Gemological Sciences
[AIGS]
www.aigsthailand.com |
|

|
B.G. & J. Co.,Ltd
[Bangkok
Gems & Jewelry Magazine]
www.gemsgateway.com |
|

|
CMP Media (Thailand) Co.,Ltd.
[Hong Kong Jewellery & Watch Fair]
www.thai-exhibition.com |
|

|
G. L. D. A.
[Pan American Enterprises]
www.glda.com
www.tucsongemshowguide.com |
|

|
GIA (International) Co.,Ltd.
[Gemological Institute of America,
Thailand Campus]
www.giathailand.com |
|

|
Hong Kong Jewellery Magazine Ltd.
[Hong Kong Jewellery Magazine]
www.jewellery-hk.org/hkjm.htm |
|

|
I.G.S Public Company Limited
[Gemopolis]
www.gemopolis.com |
|

|
Jewel Fest Club
[TGJTA : Jewel Fest]
www.jewelfest.com |
|

|
Jewellery World Review
www.jewelleryworldreview.com |
|

|
Thai Gem & Jewelry Traders Association [TGJTA]
www.thaigemjewelry.com
www.thaigemjewelry.or.th |
|

|
Precious Business Co.,Ltd.
[Thailand Gemstone]
www.thailandgemstone.com |
|

|
Vicenza
[Vicenza ORO]
www.vicenzaoro.org |