| No. | Name and address of the institution | Officer's name | Designated Officer Information Officer | Designation | Mobile Number | Whatsapp Number | Office Telephone Number | Fax Number | |
| 1 | Environment Division, Ministry of Environment 'Sobadam Piyasa', No. 416/C/1, Robert Gunawardana Mawatha, Battaramulla. |
Mr. Sudheera Jayarathne | Designated Officer | Additional Secretay (Admin) | 714899609 | 714899609 | 112034126 | 112879953 | This email address is being protected from spambots. You need JavaScript enabled to view it. |
| 2 | Mr. M.A.I.K. Manthrirathna | Information Officer | Senior Assistant Secretary | 779634897 | 779634897 | 112034107 | 112879947 | This email address is being protected from spambots. You need JavaScript enabled to view it. | |
| 3 | Mrs. M.L.S. Ashani | Information Officer | Assistant Secretary (Admin) | 718841840 | 718841840 | 112034108 | 112879947 | This email address is being protected from spambots. You need JavaScript enabled to view it. | |
| 4 | Wildlife & Forest Resources Conservation Division, Ministry of Environment No. 07, Hector Kobbekaduwa Mawatha, Colombo 07. |
Mr. H.M.B.P.Herath | Information Officer | Additional Secretay (Admin) | 773065514 | 773065514 | 113671486 | 112888513 | This email address is being protected from spambots. You need JavaScript enabled to view it. |
| 5 | Sri Lanka Climate Fund (Pvt) Ltd 'Sobadam Piyasa', No. 416/C/1, Robert Gunawardana Mawatha, Battaramulla. |
Mrs. Dilini Liyanage | Information Officer | Assistant Manager, Greenhouse Gas Verification (Acting) | 773625314 | 773625314 | 112053065 | 112867424 | This email address is being protected from spambots. You need JavaScript enabled to view it. |
| 6 | Central Environmental Authority 'Parisara Piyasa', 104, Denzil Kobbekaduwa Mawatha, Battaramulla. |
Mr. R.S.P.Kapila Rajapaksha | Designated Officer | Director General | 773057586 | 773057586 | 112872359 | 112872608 | This email address is being protected from spambots. You need JavaScript enabled to view it. |
| 7 | Mr. M.S.A.E. Thismalpola | Information Officer | Director (Human Resource Development) | 714497202 | 714497202 | 112124611 | 112872608 | This email address is being protected from spambots. You need JavaScript enabled to view it. | |
| 8 | Coastal Conservation and Coastal Resources Management Department 556, New Secretariat, Maligawatta, Colombo 10. |
Prof. P.B.Terney Pradeep Kumara | Designated Officer | Director General | 715169820 | 714103415 | 112449197 | 112438005 | This email address is being protected from spambots. You need JavaScript enabled to view it. |
| 9 | Mrs. K.P.A.Fernando | Information Officer | Legal Officer | 714103415 | 752840015 | 112330460 | 112438005 | This email address is being protected from spambots. You need JavaScript enabled to view it. | |
| 10 | Marine Environment Protection Authority 177, Nawala Road, Narahenpita, Colombo 05. |
Mr. A.J.M.Gunasekara | Designated Officer | General Manager | 715169820 | 752840015 | 112554006 | 112554624 | This email address is being protected from spambots. You need JavaScript enabled to view it. |
| 11 | Mr. H.T.N.I.Piyadasa | Information Officer | Manager (Operations) | 718181430 | 718181430 | 112554006 | 112554624 | This email address is being protected from spambots. You need JavaScript enabled to view it. | |
| 12 | Water Resources Board 488/A, Nawala Road, Koswatta, Rajagiriya. |
Mr. R.M.S.Bandara | Designated Officer | Chairman | 718627020 | 718627020 | 12696910 | 112269894 | This email address is being protected from spambots. You need JavaScript enabled to view it. |
| 13 | Mr. R.M.V.Somarathna | Information Officer | General Manager | 761419046 | 761419046 | 112696910 | 112269894 | This email address is being protected from spambots. You need JavaScript enabled to view it. | |
| 14 | Department of National Botanic Gardens P.O. Box 14, Peradeniya. |
Mrs. H.C.P.Jayaweera | Designated Officer | Director General | 718656254 | 718656254 | 812388238 | 812388238 | This email address is being protected from spambots. You need JavaScript enabled to view it. |
| 15 | Mr. M.M.D.J.Senarathne | Information Officer | Director (Development) | 718326587 | 718326587 | 812388654 | 812388238 | This email address is being protected from spambots. You need JavaScript enabled to view it. | |
| 16 | Department of Wildlife Conservation No. 811/A, Jayanthipura Road, Battaramulla |
Mr. M.S.L.R.P. Marasinghe | Designated Officer | Director General (Acting) | 718024240 | 718024240 | 112888581 | 112871535 | This email address is being protected from spambots. You need JavaScript enabled to view it. |
| 17 | Mrs. A.D.Y.Anandani | Information Officer | Director (Administration) | 773410865 | 773410865 | 112888583 | 112883355 | This email address is being protected from spambots. You need JavaScript enabled to view it. | |
| 18 | Mr. M.S.O.M..Amrarathna | Information Officer | Director (Protected Areas Management) | 714428858 | 714428858 | 112888582 | 112883355 | This email address is being protected from spambots. You need JavaScript enabled to view it. | |
| 19 | Ms. K.A.C.Chandrika | Information Officer | Chief Internal Auditor | 773718510 | 773718510 | 112887865 | 112883355 | This email address is being protected from spambots. You need JavaScript enabled to view it. | |
| 20 | Dr. Tharaka Prasad | Information Officer | Director (Health) | 714446185 | 714446185 | 714446185 | 112871535 | This email address is being protected from spambots. You need JavaScript enabled to view it. | |
| 21 | Mr. P.G.S. Priyantha | Information Officer | Director (Finance) | 718883150 | 718883150 | 112888584 | 112871535 | This email address is being protected from spambots. You need JavaScript enabled to view it. | |
| 22 | State Timber Corporation 82, Rajamalwatta Road, Battaramulla. |
Mr. W.B. Samantha | Designated Officer | General Manager | 772862720 | 772862720 | 112888946 | 112885850 | This email address is being protected from spambots. You need JavaScript enabled to view it. |
| 23 | Mrs. K.I.D.P. Kariyawasam | Information Officer | Manager (Legal) | 769766990 | 769766990 | 112866609 | 112866623 | This email address is being protected from spambots. You need JavaScript enabled to view it. | |
| 24 | Department of National Zoological Gardens Anagarika Dharmapala Mawatha, Dehiwala. |
Mr. R.C.Rajapakshe | Designated Officer | Director General | 718504832 | 718504832 | 112729790 | 112734542 | This email address is being protected from spambots. You need JavaScript enabled to view it. |
| 25 | Mrs. Anoma Priyadarshani | Information Officer | Director (Operations) | 712912881 | 712912881 | 112710195 | 112734542 | This email address is being protected from spambots. You need JavaScript enabled to view it. | |
| 26 | Department of Forest Conservation Sampatpaya, P.O. Box 3, Battaramulla |
Mr.P.S.S.Wijerathna | Designated Officer | Additional Conservator General of Forests (Human Resource Management, Administration and Institutional Development) | 714411955 | 714411956 | 112866625 | 112866625 | This email address is being protected from spambots. You need JavaScript enabled to view it. |
| 27 | Mrs. W.K. Ranasinghearachchi | Information Officer | Conservator of Forests - (Human Resource Management, Administration & Institutional Development) | 718220836 | 718220837 | 112866631 | 112866633 | This email address is being protected from spambots. You need JavaScript enabled to view it. | |
| 28 | Mrs. K.A.D.U.I. Kalansooriya | Information Officer | Conservator of Forests (Silviculture & Forest Plantation Mangement) | 718399599 | 718399600 | 112866627 | 112862580 | This email address is being protected from spambots. You need JavaScript enabled to view it. | |
| 29 | Mrs. W.S.Aluvihare | Information Officer | Conservator of Forests (Social Forestry & Forest Extension) | 718078524 | 718078525 | 112866626 | 112867218 | This email address is being protected from spambots. You need JavaScript enabled to view it. | |
| 30 | Mr.H.G.Wasantha | Information Officer | Conservator of Forests (Protection & Law Enforcement) | 711541036 | 711541037 | 112877222 | 112878932 | This email address is being protected from spambots. You need JavaScript enabled to view it. | |
| 31 | Mr. W.D.N.R.Prasad | Information Officer | Conservator of Forests (Environment Management & Geo Resources) | 718319560 | 112866634 | 112866635 | This email address is being protected from spambots. You need JavaScript enabled to view it. | ||
| 32 | Mr. M. Heenatigala | Information Officer | Conservator of Forests (Planning & Monitoring) | 755339409 | 711863348 | 112866629 | 112866633 | This email address is being protected from spambots. You need JavaScript enabled to view it. | |
| 33 | Miss M.A.T.R. Kularathne | Information Officer | Conservator of Forests (Eco tourism) | 718329355 | 718329356 | 112888976 | This email address is being protected from spambots. You need JavaScript enabled to view it. | ||
| 34 | Mr. G.R.P.B. Senarathne | Information Officer | Conservator of Forests (Biodiversity & Watershed Management) | 718187472 | 718187473 | 112866702 | This email address is being protected from spambots. You need JavaScript enabled to view it. | ||
| 35 | Mrs. S.M.S.L. Wickramasinghe | Information Officer | Conservator of Forests (Geo Informatics & Forest Inventory) | 710178402 | 710178403 | 112862542 | 112862542 | This email address is being protected from spambots. You need JavaScript enabled to view it. |