| 1 | | Primary Stephan Mladenov 54 | Sofia |  BG | | Mechanical or Industrial Engineering | N/A | Lubomir Yanakiev | Product Manager at BG Therm LTD |
| 2 | | 12 Vladayska reka | Sofia | BG | | Mechanical or Industrial Engineering | N/A | N/A | N/A |
| 3 | | Primary 73 Demokratsia blvd | Burgas | BG | | Mechanical or Industrial Engineering | N/A | Mirella Kaloyanova | Sales And Marketing Specialist at Teokom |
| 4 | | Primary 77 Dunav Blvd. | Plovdiv | BG | | Mechanical or Industrial Engineering | N/A | N/A | N/A |
| 5 | | 9 bul. "Al. Stambolijski" | Krichim | BG | | Mechanical or Industrial Engineering | N/A | Ivanka Shikova | Legal Counsel at HMC PLC |
| 6 | | Primary Mladost 4, Block 482 Office Primex Engineering Ltd. | Sofia | BG | | Mechanical or Industrial Engineering | N/A | Zhelyazko Valchev, PhD | Sales Expert at Primex Engineering Ltd., An Optix Co Group |
| 7 | | Primary Balanska Str. 6 | Gabrovo | BG | | Mechanical or Industrial Engineering | N/A | Dilyan Dimov | Head of Production Planning at Blaser Group Gabrovo |
| 8 | | Primary Graf Ignatief 75 | Yabol | BG | | Mechanical or Industrial Engineering | N/A | David García Feliciano | Encargado de Ventas Técnicas. en KLS Europe - BSS Ltd |
| 9 | | Primary 255 Ring road blv. | Sofia | BG | | Mechanical or Industrial Engineering | N/A | Veselin Vitanov | Wuerth Bulgaria |
| 10 | | Sofia, Sofija-Grad 1510, BG | Sofia | BG | | Mechanical or Industrial Engineering | N/A | Parvan Parvanov | Maintenance and CAPEX manager at Holcim |
| 11 | | Primary Nikola Vapcarov 2 | Vetrino | BG | | Mechanical or Industrial Engineering | N/A | N/A | N/A |
| 12 | | Primary G.M. Dimitrov Blvd., bl. 60 parter | Sofia | BG | | Mechanical or Industrial Engineering | N/A | Hristo Kazandjiev | Zone Heating Department Manager at New System |
| 13 | | Primary 255 Ring road blv. | Sofia | BG | | Mechanical or Industrial Engineering | N/A | Veselin Vitanov | Wuerth Bulgaria |
| 14 | | Veslets Street | Sapareva Banya | BG | | Mechanical or Industrial Engineering | N/A | Antony Kilton | Mechanical Engineer at UMM AL HOUL POWER IWPP At Al Wakra |
| 15 | | Primary | Burgas | BG | | Mechanical or Industrial Engineering | N/A | Violeta Arabadzhieva | Process Engineer at Chimconsult Ltd. |
| 16 | | Primary 1606, str.Felix Kanitz 32 | Sofia | BG | | Mechanical or Industrial Engineering | N/A | Mark Hendry | Pipefitter |
| 17 | | Primary 77 Yambolen str. Yambol 8600 Bulgaria | Yambol | BG | | Mechanical or Industrial Engineering | N/A | Gogo Nikol | constructor – Sinter - M JSC |
| 18 | | Primary Industrial Zone "ZAPAD" | Silistra | BG | | Mechanical or Industrial Engineering | N/A | Georgi Georgiev | Owner at ENERCO BG |
| 19 | | 20 Pomorie Str. | Burgas | BG | | Mechanical or Industrial Engineering | N/A | N/A | N/A |
| 20 | | Primary No. 4, “Munchen” street | Sofia | BG | | Mechanical or Industrial Engineering | N/A | N/A | N/A |
