| 1 | | 51 avenue de la gare | LUXEMBOURG | LU | | Mechanical or Industrial Engineering | N/A | David Leclere | Responsable Comptable Groupe |
| 2 | | Primary 47, rue Gabriel Lippmann | Niederanven | LU | | Innovative Engineering | N/A | Laurent Heinen | Associé chez INCA Ingénieurs Conseils Associés S.à r.l. |
| 3 | | Primary 370, Boulevard Charles de Gaulle | Esch-sur-Alzette | LU | | Mechanical or Industrial Engineering | N/A | N/A | N/A |
| 4 | | Primary Op der Bréimicht 11 | Lentzweiler | LU | | Mechanical or Industrial Engineering | N/A | patrick poirrier | executive vice president administration and manager human resources |
| 5 | | Primary 24-28, rue Goethe | Luxembourg | LU | | Civil Engineering | N/A | Claudia Gasparro | Assistante direction |
| 6 | | Primary 20, Rue de Hollerich | Luxembourg | LU | | Mechanical or Industrial Engineering | N/A | Cyrille R. | N/A |
| 7 | | Primary 18 rue des Moulins | Bissen | LU | | Mechanical or Industrial Engineering | N/A | N/A | N/A |
| 8 | | Primary | Aspelt | LU | | Civil Engineering | N/A | Pascal Iaquinta | GERANT |
| 9 | | Primary ZARE OUEST 32 | EHLERANGE | LU | | Mechanical or Industrial Engineering | N/A | Nathalie Breger | General Administration bei Breger Frères et fils S.à r.l. |
| 10 | | Primary 202, ZI Scheleck II Immeuble Blackstone | BETTEMBOURG | LU | | Mechanical or Industrial Engineering | N/A | Aurelien SION | Responsable d'activité secteur Industrie |
| 11 | | Primary 10 Rue de l'Avenir | Foetz | LU | | Mechanical or Industrial Engineering | N/A | Michael Aloi | Administrateur-Directeur Pôle Energie chez MERITECH SA |
| 12 | | Primary 147, rue de Rollingergrund | Luxembourg | LU | | Civil Engineering | N/A | Sébastien Ronzani | Projeteur VRD chez LUX C.E.C. S.A. |
| 13 | | Luxemburg City, Luxembourg 2449, LU | Luxemburg City | LU | | Mechanical or Industrial Engineering | N/A | N/A | N/A |
| 14 | | Primary 11 rue de l'Industrie Solarwind | EcoParc Windhof | LU | | Civil Engineering | N/A | jeannot schroeder | Managing Director |
| 15 | | 5, rue de Bonnevoie | LUXEMBOURG | LU | | Mechanical or Industrial Engineering | N/A | Bernard Alain Copet | Managing Director at BAC Engineering & Consulting SA |
| 16 | | Primary 34 - 38, avenue de la Liberté | Luxembourg | LU | | Engineering & Consulting | N/A | Philippe Beissel | Associé Gérant chez BEISSEL & RUPPERT |
| 17 | | Primary ZI in den Allern 4B | Troisvierges | LU | | Civil Engineering | N/A | Kenny Bourguignon | employé commercial chez D.D.B. SA |
| 18 | | Primary | Belvaux | LU | | Mechanical or Industrial Engineering | N/A | N/A | N/A |
| 19 | | Primary 3A, Rue des Champs, | Goetzingen | LU | | Mechanical or Industrial Engineering | N/A | Nikhil Kumbhar | Design Engineer at JILBEE Engineering |
| 20 | | Primary 64, Rue de Crauthem | Peppange | LU | | Mechanical or Industrial Engineering | N/A | Tony DA COSTA | Elevator Specialist & Sales Manager Orona Luxembourg |