- Sudarshana
- Address:165 thalahena
- Blue Bay Mineral International
- Address:92 C, Ampitiya road
- G. S. P International
- Address:No : 9, Church Road, Nagoda, Kandana, Sri Lanka
- Williams Aqua Products Co (pvt) Ltd
- Address:Jubilly Mawatha
- Godagama (pvt) Ltd
- Address:422/1, Galle Road
- Indika Hiran Wijesinghe
- Address:1 / 44, Galahitiyawatta
- Hari Impex
- Address:First Cross Street
- 3MB ASPIRE QUARTZ (PVT) LTD
- Address:No 268, Samanala Mw, Galagedara, Padukka
- Ratnayake Projects Pvt Ltd
- Address:Pannipitiya, Kottawa Colombo Western 0056 Sri Lanka
- Lanka Iron Ore Mioning and Smelting Company Limited
- Address:85/1 Jambugasmulla Road, Nugegoda Nugegoda Western 09J Sri Lanka
- Amarnath Tennakoon
- Address:
- Alchemy Boulders (Pvt) Ltd.
- Address:
- Lanka Refractories Ltd.
- Address:
- Ceylon Natural Gems
- Address:750 / A Palawttha Battaramulla
- Blue Bay Mineral International Ltd
- Address:92c ,amtipiya Rd kandy centre Sri Lanka
- Chirathma International(Pvt)Ltd
- Address:
- vasantha bandara
- Address:Saparamadu Place
- Hambantota Agencies
- Address:Jayantha Wijesekara Mw
- TSUKASA KOBO CO., LTD
- Address:
- MG Holdings
- Address:No 45, Bandaranayaka Mw