Registered Organization - Kolonna
| Organization Name | Address | |
| 1 | Pitakanda Jala Paribogika Samithiya | Pitakanda, Bulutota |
| 2. | Kalikanda Dilena Mini Hydro power Society | Kalikanda, Omalpe |
| 3. | Peraketiya Mini Hydro power Society | Peraketiyagama, Kalla |
| 4. | Thirasara Mini Hydro power Society | Helaudakanda, Halwinna, Godakawela |
| 5. | Kolonna Divisional Secratariat Sport & Welfare Society | Divisional Secratariat, Kolonna |
| 6. | Kolonna MOH Welfare Society | MOH Office, Kolonna |
| 7. | Prabodha Mini Hydro Power Society | Udawatta, Iththakanda |
| 8. | Samagi Anyonyadara Society | Iththakanda |
| 9. | Vishwa Thirasara Devolopment Foundation | Henaggegoda, Halwinna, Godakawela |
| 10. | Hunugala Hydro Power Consumer Society | Walakada, Omalpe |
| 11. | Sandasiri Hydro Power Consumer Society | Walakada, Omalpe |
| 12. | Weellakapuhena Hydro Power Consumer Society | Ulliduwawa |
| 13. | Ghanaloka Elder Welfare Association | Kalla, Kolonna. |
| 14. | Prachgha Piya Sawiya Elder Organization | Walakada, Omalpe |
| 15. | Sri Wijaya Welfare Society | 13 Mile Post, Maduwanwela, Kolonna |
| 16. | Sri Jayasuman Pariwenarakshaka sangamaya | Sri Jayasumana Viharaya, Dapane, Omalpe |
| 17. | Amila Welfare Society | Jathunkanda, Ulliduwawa |
| 18. | Bogasthanna Kalana Mithuru Welfare Society | Bogasthanna, Wijeriya |
| 19. | Hemagiri Community water society | Habaralahena, Wijeriya |
| 20. | Yakmadithth, Seetha Dola Mini Hydro power Society | Yakmadiththa, Bulutota |
| 21. | Samagi Kithul Development Society | Helaudakanda, Halwinna, Godakawela |
| 22. | Makuluthota Dansal Committee | Makuluthota, Kalla |
| 23. | Shada Mithuru Organization | Maduwanwela |
| 24. | Maithri Elder Organization | Ambagahayaya, Kolonna |
| 25. | Wadiyawaththa Hydroelectrical Products and Consumer Society | Poddana, Wijeriya |
| 26. | Salamuthu Welfare Society | Sri Dammananda Mawatha, Ela Ihala, Kolonna |
| 27. | Wadihiti Saran Organization | Adimitikanda, Kolonna |
| 28. | Rashmi Mini Hydro Power Consumer Society | Kithalabokka, Maduwanwela, Kolonna |
| 29. | Dimuthu Women's basic family development Foundation | Near the Police Station, Kolonna |
| 30. | Soba Parisara Thurunu Samajaya | Wawlpana, Halwinna, Godakawela |
| 31. |
