Marvelous Gems Mfy. Ltd.
長安寶石有限公司 (Nelson Dials Factory Ltd.) - Member of HKGMA
長安寶石有限公司 (Nelson Dials Factory Ltd.) - Member of HKGMA
景星 (King Star Jewellery) - Member of HKGMA
怡安寶石首飾廠有限公司 (Yee On Gems & Jewellery Mfy. Co. Ltd.) - Member of HKGMA
寶光寶石工藝有限公司 (Opalight Artcrafts & Gems Co. Ltd.) - Member of HKGMA
輝寶珠寶有限公司 (Fai Po Gem & Jewellery Ltd.) - Member of HKGMA
雅天妮 (Artini) - Member of HKGMA
新意集團國際控股有限公司 (Trendy Group International Holdings Ltd.) - Member of HKGMA
展鴻寶石公司 (Jacky Gems Co.) - Member of HKGMA
民生珠寶(香淹)有限公司 (Man Sang Jewellery (Hong Kong) Ltd.) - Member of HKGMA
大中寶石首飾有限公司 (Tai Chung Jewellery) - Member of HKGMA