1. LUKOIL Neftohim Burgas AD, 8104 Burgas, Bulgaria
2. Axens, 89 Boulevard Franklin Roosevelt, 92500 Rueil-Malmaison, France
3. SGS Bulgaria Limited, Laboratory Complex-Oil, Gas & Chemicals, 8104 Burgas, Bulgaria
4. UNIVERSITY “PROF. D-R ASEN ZLATAROV”, 8010 Burgas, Bulgaria
5. UTC, Université de Technologie de Compiègne, 60203 Compiègne, France