| Snr. DSG (Training)/ Director (ISM) | 057-2229002 (T) | 057-2229004 | snrdsgtr@survey.gov.lk | 
| Snr. S.S. (ISM) | 057-2229235 |  | snrssism@survey.gov.lk | 
| Officer in Charge of ISM | 057-2229015 |  | ssoicism@survey.gov.lk | 
| Technical and Administrative Officer | 057-2229001 |  |  | 
| DSG(Academic) | 057-2229235 |  | dsgacademic@survey.gov.lk | 
| Snr. S.S. (Geodetic) | 057-2229995 |  | snrssgeodeticism@survey.gov.lk | 
| S.S. (Geodetic - 1) | 057-2229995 |  | ssgeodeticism1@survey.gov.lk | 
| S.S. (Geodetic - 2) | 057-2229995 |  | ssgeodeticism2@survey.gov.lk | 
| Geodetic Office | 057-2229995 |  |  | 
| Snr. S.S / Lecturer - 1 | 057-2229116 |  | snrlecture1@survey.gov.lk | 
| Snr. S.S / Lecturer - 2 | 057-2229116 |  | snrlecture2@survey.gov.lk | 
| Snr. S.S / Lecturer | 057-2229116 |  |  | 
| Snr. S.S / Lecturer | 057-2229116 |  |  | 
| Snr. S.S / Lecturer | 057-2229116 |  |  | 
| S.S / Lecturer - 1 | 057-2229116 |  |  | 
| S.S / Lecturer - 2 | 057-2229116 |  | sslecturer@survey.gov.lk | 
| S.S. (Instrument/ Asst. Lecturer) | 057-2229530 |  | ssibism@survey.gov.lk |