Gemmologists Association of Sri Lanka - The professional body of Gemmologists' in Sri Lanka.
ස්ථානය: කොළඹ 07

ආයතනය: Allied Gemmological Institute & Laboratory - Classes are conducted by Dayananda Dillimuni, FGA(London), DGemG(Germany) Consultant Gemmologist / ATC Tutor for Gem-A

International Gemological Academy - Established to conduct Gemological education, Training, Consultancy and Research.
ස්ථානය: කොළඹ 3

කාර්මික අධ්‍යාපන හා පුහුණු කිරීමේ දෙපාර්තමේන්තුව - Department of Technical Education and Training - Pioneer Organization in Providing Technical Education and Training in Sri Lanka

ආයතනය: මරදාන තාක්ෂණ විද්‍යාලය - ස්ථාන: කොළඹ 10

ආයතනය: ISS Campus - A professional ICT academy which offers basic and in-depth courses

ආයතනය: Gem and Jewellery Research and Training Institute (GJRTI) has been established in July 1995