| Office | Name | Designation | Telephone | Fax | |
| Colombo District | |||||
| 1 | Executive Engineer's Office - Colombo | Mr.A.M.K.Nishantha | Executive Engineer | 0112 578848 | 0112 578848 |
| 2 | Executive Engineer's Office - Moratuwa | Mr.S.L.Jayaneththi | Executive Engineer | 0112655629 | 0112655630 |
| 3 | Executive Engineer's Office - Awissawella | Mr.Vipula Wickramasinghe | Executive Engineer | 0112750795 | 0112750795 |
| 4 | Material Laboratory - Rathmalana | Miss.H.L.C. Wijewantha | Officer In-Charge | 0112610136 | 0112610136 |
| Kaluthara District | |||||
| 1 | Chief Engineer's Office - Kaluthara | Mr.Sarath Bandara | Chief Engineer | 034 2222641 | 034 2222641 |
| 2 | Executive Engineer's Office - Horana | Mrs.C.P.Kumbalathara | Executive Engineer | 0342261215 | 0342261215 |
| 3 | Executive Engineer's Office - Kaluthara | Mr.L.S.De Silva Weerasinghe | Executive Engineer | 0342222641 | 0342222641 |
| 4 | Executive Engineer's Office - Agalawatta | Mr.S.L.Jayaneththi | Executive Engineer | 034 2247399 | 034 2247399 |
| 5 | Mechanical Worshop - Moragahahena | Mrs.N.I.Jayawardhana | Mechienical Engineer | 034 2253288 | 034 2253288 |
| 6 | Material Laboratory - Horana | Mrs.C.L. Jayakody | Officer In-Charge | 0342266937 | 0342266937 |
| 7 | Pre-Cast Concrete Yard - Horana | Mr.Dhammika Karunathilake | Officer In-Charge | 347294864 | |
| 8 | Asphalt Concrete Plant - Horana | Mr.Dhammika Karunathilake | Officer In-Charge | 034 2255705 | 034 2255705 |
| Gampaha District | |||||
| 1 | Chief Engineer's Office - Nittambuwa | Mr.R.K.Aberathne | Chief Engineer | 033-2057776 | 033-2057776 |
| 2 | Executive Engineer's Office - Nittambuwa | Mr.B.M.A. Balasooriya | Executive Engineer | 033 2287237 | 033 2287237 |
| 3 | Executive Engineer's Office - Kirindiwela | Mr. B.A.W.A.Kumara | Executive Engineer | 033 2267467 | 033 2267467 |
| 4 | Executive Engineer's Office - Udugampola | Mr.C.I. Wickramasinghe | Executive Engineer | 033 2222493 | 033 2222493 |
| 5 | Executive Engineer's Office - Negambo | Mrs.H.G.D. Malsha | Executive Engineer | 031 2233621 | 031 2233621 |
| 6 | Mechanical Worshop - Asgiriya | Mrs.N.I.Jayawardhana | Mechenical Engineer | 033 2226848 | 033 2226848 |
| 7 | Material Laboratory -Nittambuwa | Mrs. I.S.Hewagama | Officer In-Charge | 0332290822 | 0332290822 |
| 8 | Pre-Cast Concrete Yard - Divulapitiya | Mr.Kapila Nishantha | Officer In-Charge | 031 2243196 | 312243196 |
| 9 | Material Laboratory - Pannala | Mr.T.S.Ranasinghe | Officer In-Charge | 0372055777 | 0372055777 |
| 10 | Asphalt Concrete Plant - Pannala | Mr.T.S.Ranasinghe | Officer In-Charge | 0372055777 | 0372055777 |
