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- AL AMANA Contracting (Pvt) Ltd
- Anddesign Home
- A.T.S. Electro Tech
- Alpha Industries (Pvt) Limited
- Archedium
- Beira Group
- Creativi Design
- CRS Engineering
- Dockyard General Engineering Services (pvt) Ltd
- Dinannya Homes & Constructions
- Dipped Products PLC
- Industrial Stainless Steel Fabrications (pvt) Ltd
- Ishara Engineers & Lorry Body Builders (Pvt) Ltd
- JAN Merkaba (Pvt) Ltd
- Lakro industries
- Lalan Eco-Latex (Pvt) Ltd
- Monarch Civil Engineering
- Pulathisi Homes
- Sigma Technologies
- Sundaram Lanka Tyres Ltd
- Upali Perera & Company
- UserMax Technology
- Vidullanka PLC
- Zenith Engineering