| 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 |