| MEMTÜ Eesti Taristuehituse Liit Tallinn, EstoniaOrganizations | Construction structures and materials; auxiliary products to construction (except electric apparatus) Construction work Taristuehitus Asfaldiliit Mittetulundusühing | |
| HMHarmet Metall OÜ Saue, EstoniaManufacturing | Construction structures and materials; auxiliary products to construction (except electric apparatus) Construction work Metallkonstruktsioonide Tootmine Plekitööd Trepid | |
| MMikroonik Tallinn, EstoniaManufacturing | Construction structures and materials; auxiliary products to construction (except electric apparatus) Precision Micro-Components Production Of Clamping Elements Fasteners | |
| WGWolf Group France sarl Tallinn, EstoniaManufacturing | Construction structures and materials; auxiliary products to construction (except electric apparatus) Construction work Ehitusvahud PU-Vahud Hermeetikud | |
| TTemper Vohnja, EstoniaManufacturing | Construction structures and materials; auxiliary products to construction (except electric apparatus) Metallkonstruktsioonid Insenerkonstruktsioonid CNC Keevis | |
| ETEesti Traat Maardu, EstoniaManufacturing | Construction structures and materials; auxiliary products to construction (except electric apparatus) Armatuurvõrgud Armatuurterased Vuugisarrused | |
| PLPrime Line OÜ I Kasvumaja Maardu, EstoniaManufacturing | Construction structures and materials; auxiliary products to construction (except electric apparatus) | |
| SCSmart Car Solutions OÜ Tallinn, EstoniaManufacturing | Installation services (except software) Parkimiskell Elektrooniline Parkimiskell Parkimise Aeg | |
| GGAPSAL Haapsalu, EstoniaManufacturing | Installation services (except software) Soojuspumbad Soojuspumba Paigalduspakett Õhk-Vesi Soojuspumbad | |
| PIProForce Industry Tallinn, EstoniaManufacturing | Construction structures and materials; auxiliary products to construction (except electric apparatus) Construction work Industrial Pipelines Welding Work Mechanical Engineering | |