1. Ministry of Agriculture, Food and Forestry Republic of Bulgaria
http://www.mzh.government.bg/mzh/en/Home.aspx

2. Institute of Fish Resources – Varna
http://www.ifrvarna.com

3. Institute of Oceanology – BAS, Varna
http://www.io-bas.bg

4. Institute of Fisheries and Aquaculture – Plovdiv
http://ira-plovdiv.com