| 1 | | HF4HHHC, Consulting Engineers & Contractors (Pvt) Ltd | Medawachchiya |  LK | | N/A | N/A | N/A |
| 2 | | 423 Nawala Rd | Sri Jayawardenepura Kotte | LK | | +94 112078246 | N/A | N/A |
| 3 | | 245/47 | N/A | LK | | +94 112531636 | keshi silva | |
| 4 | | Nilwala Ihalayagoda | N/A | LK | | +94 714477007 | N/A | N/A |
| 5 | | Pinthaliya | Mulleriyawa new town | LK | N/A | +94 112578736 | N/A | N/A |
| 6 | | 81/4 Gangalegoda Banda Raja Mawatha | Peliyagoda | LK | | +94 112914121 | N/A | N/A |
| 7 | | 7HCG78C | Kiribathkumbura | LK | N/A | N/A | N/A | N/A |
| 8 | | 5QCH26C, Kotuwegedara Rd | Hanguranketa | LK | | +94 812063577 | N/A | N/A |
| 9 | | VXGXF4M, Unnamed Road | Bandarawela | LK | N/A | N/A | N/A | N/A |
| 10 | | 64, Thiruvalluvar Puram Malwattai 01 | N/A | LK | N/A | +94 754160572 | N/A | N/A |
| 11 | | 90 Katkuli Vavuniya | N/A | LK | N/A | N/A | N/A | N/A |
| 12 | | 43CJVCG | Hambantota | LK | N/A | N/A | N/A | N/A |
| 13 | | 350-1 1Rajasinghe Mawatha | Kaduwela | LK | N/A | +94 763642728 | N/A | N/A |
| 14 | | RV6P862, Road | Moratuwa | LK | | +94 112634701 | N/A | N/A |
| 15 | | No. 157A Kynsey Rd | Colombo | LK | | +94 112662219 | N/A | N/A |
| 16 | | 32-A Shrubbery Garden Rd | Colombo | LK | | +94 117683800 | N/A | N/A |
| 17 | | 2X737MR, Sethsiri Uyana | Kadawatha - Ganemulla Rd | LK | N/A | +94 773633452 | N/A | N/A |
| 18 | | 326/C, Aladeniya - Murutalawa Road | Nugawela | LK | | +94 706407672 | N/A | N/A |
| 19 | | 17 Maradana Road | Wattala | LK | N/A | +94 777324639 | N/A | N/A |
| 20 | | N0. 53/391, Walawwaththa | Ganemulla | LK | | +94 760488455 | N/A | N/A |