| Foundation for Local Government Reform |
| National Association of Municipalities in the Republic of Bulgaria (NAMRB) |
| Regional administration Dobrich |
| Regional administration Burgas |
| Regional administration Varna |
| Black Sea Regional Agency for Energy Management |
| Dobrich Local Agency for Energy Management |
| Burgas Regional Agency for Energy Management |
| U.S. Agency for International Development |
![]() | European Commission |
| Regional Association of Municipalities “Trakia” |
| Association of Danube River Municipalities “Danube” |
| Regional Association of Municipalities “Maritsa” |
| Association of Rhodope Municipalities |
| Southwestern Association of Municipalities |
| Regional Association of Municipalities “Yantra” http://www.veliko-turnovo.com/yantra |
| Regional Association of Municipalities “Central Stara Planina” |
| Association of Municipalities of the South Central Region “Heber” |
| National Association of Secretaries of Municipalities in Republic of Bulgaria |
| National Association “Legal Initiative for Local Government” |
| Foundation “Greener Bourgas” |
| Ecological Association “For the Earth“ |
![]() | Association of Local Democracy Agencies(ALDA) |