| 1 | | Tallinn, Harju County 10621, EE | Tallinn |  EE | | Mechanical or Industrial Engineering | N/A | Ditmar Martinson | Energy efficiency consultant at Pristis AS |
| 2 | | Suur-Sõjamäe 30 | Tallinn | EE | | Mechanical or Industrial Engineering | N/A | Pavel Sobolev | Руководитель – Teravikprojekt UÜ |
| 3 | | Primary Teaduspargi 8 | Tallinn | EE | | Mechanical or Industrial Engineering | N/A | Mihhail Tšerkassov | Managing Director at Ingenium Baltic |
| 4 | | Primary Mustamäe tee 46 B korpus | Tallinn | EE | | Mechanical or Industrial Engineering | N/A | Gert Silm | Heating, Ventilation, Air Conditioning (HVAC) designer. |
| 5 | | Primary Kopli 70a | Tallinn | EE | | Mechanical or Industrial Engineering | N/A | Jevgeni Vassiljev | Industrial & heat exchange equipment |
| 6 | | Primary Kadaka tee 72a | Tallinn | EE | | Mechanical or Industrial Engineering | N/A | Kersti Vatter | Sales & Business Development at ESTEN Group |
| 7 | | Primary Sära tee 3 | Peetri | EE | | Mechanical or Industrial Engineering | N/A | Aldo Kotli | Product and Production Manager at Pelltech OÜ |
| 8 | | Valdeku 109H | Tallinn | EE | | Mechanical or Industrial Engineering | N/A | Sergei Kravtsov | welder .foreman .workshop manager .site manager. production manager – APL Production AS |
| 9 | | Sinikivi 12 | Lehmja | EE | | Mechanical or Industrial Engineering | N/A | Gert Marmor | CTO at SNC Promex AS | EcoVizor |
| 10 | | Primary Riia 130a | Tartu | EE | | Mechanical or Industrial Engineering | N/A | Raine Kuusisto | Managing Director / Owner at LVI Kuusisto Oy |
| 11 | | Primary Riia 181A | Tartu | EE | | Mechanical or Industrial Engineering | N/A | Pearu Orusalu | Lead Mechanical Engineer at ProtoLab |
| 12 | | Primary Tööstuse 7 | Paide | EE | | Mechanical or Industrial Engineering | N/A | Artyom Usitvin | Project Manager – OÜ PMT |
| 13 | | Primary Riia tn 15b | Tartu | EE | | Mechanical or Industrial Engineering | N/A | Dimitri Müller | Head Engineer at PMV Projekt OÜ |
| 14 | | Primary Majaka 26 | Tallinn | EE | | Mechanical or Industrial Engineering | N/A | N/A | N/A |
| 15 | | Primary Näituse 26 | Tartu | EE | | Mechanical or Industrial Engineering | N/A | helina kitsing | Business Owner |
| 16 | | Primary Marja 9 | Tallinn | EE | | Mechanical or Industrial Engineering | N/A | Thomas Perrot | Project Manager / Lead Mechanical Engineer chez ScaleupX OÜ |
| 17 | | Primary Kadastiku 57J | Narva | EE | | Mechanical or Industrial Engineering | N/A | Mika Metsävirta | Managing Director, Entrepreneur, Saides Oy |
| 18 | | Primary Ringtee 27A | Tartu | EE | | Mechanical or Industrial Engineering | N/A | Meelis Kuusberg | Board Member at Nordic Gas Solutions |
| 19 | | Primary Rävala 8 | Tallinn | EE | | Mechanical or Industrial Engineering | N/A | Cyb Mcloud | Head Developer at Criffin |
| 20 | | Primary Miiduranna tee 46 | Viimsi vald | EE | | Mechanical or Industrial Engineering | N/A | Andrei Avdejev | Production Manager - FERRMIX CONSTRUCTION LLC |
