| EKEesti Killustik Tallinn, EstoniaMetals & Mining | Construction structures and materials; auxiliary products to construction (except electric apparatus) Killustiku Tootmine Kruusa- Ja Liivakarjäärid Paekiviliiv | |
| IMITK Marine Tallinn, EstoniaTransportation | Construction work Installation services (except software) Electrotechnical Solutions Electrical Installations Maritime Market | |
| FOFiron OÜ Tallinn, EstoniaMetals & Mining | Construction structures and materials; auxiliary products to construction (except electric apparatus) Metallkonstruktsioonid Trepid Aiad | |
| PPlekimeister Tallinn, EstoniaMetals & Mining | Construction structures and materials; auxiliary products to construction (except electric apparatus) Katuseplekk Fassaadiplekid Ääreplekk | |
| BMBaltic Marine Contractors - Estonia Tallinn, EstoniaTransportation | Installation services (except software) Navigatsiooniseadmed MaK Hooldus Ja Varuosad Laevade Navigatsioonisüsteemid | |
| 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 | |