| 2ADDarchitektai MB | | C-33 |
| 4Room Sisustus | | C-65 |
| ABCmodul OÜ | | V-09 |
| Agrovaru AS / Jungheinrich Eesti | | V-03 |
| Airobot Technologies AS | Heating, ventilation, air conditioning and sanitary | D-13 |
| Akadas UAB | Doors and windows, Outdoor, garden and terrace | C-33 |
| Aknagrupp OÜ | Doors and windows | C-54 |
| AM Energy SIA | Outdoor, garden and terrace | C-47 |
| AM Energy SIA / Eco Terrace | Outdoor, garden and terrace | C-47 |
| Arel Plus OÜ | | V-07 |
| Art Doors OÜ | | C-09 |
| Aru Grupp AS | | C-04 |
| AU Floor OÜ | | C-10 |
| Baltic Agro Machiney AS | | V |
| Baltic CH OÜ | | D-26 |
| Baltic TK / Tulikivi | | C-03 |
| Bang & Bonsomer | | C-11 |
| Bauroc AS | | B-19 |
| Biotechnologijos Grupe UAB | | C-36 |
| Blachotrapez Spzoo | | C-16 |
| Brasta Glass UAB | | C-65 |
| Build Scape SIA | | C-56 |
| Carnauba | | B-17 |
| Cewood SIA | | C-28 |
| CITIC Telecom CPC Estonia OÜ | | B-21 |
| Clean Investment OÜ | | B-05 |
| CLT Buildings OÜ | | C-71 |
| CLTEST OÜ | | C-71 |
| Constreq OÜ | | C |
| Coolhouse OÜ | | D-05 |
| Decoland OÜ | | C-59 |
| Doordec OÜ | | C-53 |
| Ecoheat Trading OÜ | | D-09 |
| Ecopur | | C-72 |
| Ecosauna Project OÜ | | V-08 |
| Eesti Energia AS | | D-14 |
| Eesti Puitmajaliit MTÜ | | C-63 |
| Eesti Standardimis- ja Akrediteerimiskeskus MTÜ | | B-24 |
| Ekofiltras UAB | | D |
| Eltarko OÜ | | C-19 |
| ESAKODA MTÜ | | D-30 |
| Eule OÜ | | C-76 |
| Ferrometal Baltic OÜ | | C-44 |
| FixFas OÜ | | C-78 |
| ForteLED | | C-60 |
| Geodeesia24 OÜ | | B-18 |
| Geolift Baltic UAB | | C-32 |
| Hallgruppen Baltics SIA | | C-55 |
| Hambruk | | C-70 |
| Hansa Floor OÜ | | C-23 |
| Hansab AS | | B-04 |
| Hansakamin OÜ | | C-83 |
| Hansakaupmees OÜ | | C-49 |
| Hansakivi Tasot OÜ | | C-62 |
| Hartico OÜ | | C-13 |
| HL | | D-25 |
| Holder | | V-09 |
| Holzmill OÜ | | C-82 |
| Hydrokapillar Tech SIA | | D-27 |
| Icy Getec OÜ | | C-66 |
| IQOS | | |
| JUNG | | C-35 |
| K-Majad OÜ | | C-74 |
| Kangro OÜ | | C-73 |
| Katusemaailm OÜ | | C-17 |
| Kinbass OÜ | | B-20 |
| Kingspan Insulation OÜ | | C-46 |
| Kipsik OÜ | | B-23 |
| Kliimaseade OÜ | | D-08 |
| Kodu Kuubis OÜ | | C-51 |
| Kolatakso | | B-08 |
| Lasita Maja AS | | V-10 |
| Ledvance Oy | | C-07 |
| Leviatanas MB | | C-33 |
| Lokaator OÜ | | C-64 |
| Maa-amet | | B-10 |
| Maaküte OÜ | | D-16 |
| Malmerk Klaasium OÜ | | C-20 |
| Megalet Grupp OÜ | | C-75 |
| Miar Sisustus OÜ | | C-56 |
| Miridon OÜ | | D-01 |
| Mirlex OÜ | | C-21 |
| Mobiled Estonia OÜ | | C-68 |
| Nelissen Eesti OÜ | | B-12 |
| Nutiklaas OÜ | | C-26 |
| Paa SIA | | C-27 |
| Päästeamet | | B-25 |
| Peikko Eesti OÜ | | C-60 |
| Pelletikeskus | | D-03 |
| Penetron | | C-24 |
| Priore OÜ | | B-03 |
| Proinvest | | C-30 |
| Puitmast OÜ | | V-05 |
| Pumeko AS | | C-02 |
| Pureva OÜ | | C-55 |
| Raitwood Puiduterminalid / Rait AS | | C-61 |
| Reaktyvine sraige MB | | C-33 |
| Reideni Plaat AS | | C-05 |
| Remoti Holding / Dewax | | B-07 |
| Rothoblaas SRL | | C-62 |
| Säästvad Ehituslahendused & MEISTRI | | C-50 |
| Saunalava OÜ | | D-06, D-11 |
| Saunum Saunas OÜ | | D-12 |
| SB Keskkütteseadmed OÜ | | D-03 |
| Schbot Robotics OÜ | | C-31 |
| Schöck Bauteile GmbH | | C-57 |
| Sesatadienio laboratorija MB | | C-33 |
| SigmaSystems OÜ | | D-23 |
| Silmani Elekter AS | | C-14 |
| Sindelkatuse OÜ | | C-57 |
| Siteks UAB | | C-33 |
| Smart Home Systems OÜ | | C-48 |
| Soojuskeskus OÜ | | D-19 |
| Soojustusvaht OÜ | | C-11 |
| Spraytec OÜ | | C-39 |
| Sungate Security OÜ | | v |
| Sunly City OÜ | | D-15, V-01 |
| SVS Machines & Service OÜ | | C-61 |
| Talisman Stuudio | | D-06 |
| Tenter OÜ | | C-43 |
| Termosnaige IR KO UAB | | C-58 |
| Terra Energy UAB | | D-20 |
| TopDeck SIA | | C-41 |
| Tuli & Vesi OÜ / Yakisugi ja Aurukaminad | | C-62 |
| Üle OÜ | | B-09 |
| Upes arklys MB | | C-33 |
| Vakaro Rasa UAB | | D-21 |
| VBH Estonia OÜ | | C-06 |
| Voller Kaubandus OÜ | | C-29 |
| VRV Trading SIA | | C-73 |
| WeisA | | C-76 |
| Woodhouse Estonia | | C-70 |
| Zep Eesti OÜ | | D-28 |
