| Concrete Pipes |
| Dias Concrete Works (Pvt) Ltd |
| 17/20 Negombo Rd WT, Wattala |
| Telephone + 94 11 2930763 Fax 2931591 |
| Lankan Hume Pipes Co Ltd |
| Horathuduwa Rd PLW, Polgasowita |
| Telephone + 94 11 2704312 |
| LANKAN HUME PIPES COMPANY (PVT) LTD |
| Horathuduwa Rd PLW, Polgasowita |
| Telephone + 94 11 2704312 |
| Shakthi Hume Pipe Company |
| Avissawella Rd Ambatale Mulleriyawa New Town, Mulleriyawa New Town |
| Telephone + 94 11 4412812 |
| Visaka Automotive Products |
| 613 Negombo Rd WT, Wattala |
| Telephone + 94 11 2931869 |
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