| 1 | | Primary Industrial Complex ArcelorMittal rue de la Cimenterie | Luxembourg |  LU | | Mechanical or Industrial Engineering | N/A | Bartosz Jalowiecki | N/A |
| 2 | | Luxemburg City, Luxembourg 2449, LU | Luxemburg City | LU | | Mechanical or Industrial Engineering | N/A | N/A | N/A |
| 3 | | Primary 64, beim Schlass | Urspelt | LU | | Mechanical or Industrial Engineering | N/A | Luc van Laar | gérant d'entreprise at Lely Center Urspelt |
| 4 | | Primary | Belvaux | LU | | Mechanical or Industrial Engineering | N/A | N/A | N/A |
| 5 | | Primary Rue de l'Egalité, 86-88 | Luxembourg | LU | | Civil Engineering | N/A | P Suresh | Principal Engineer at TR Engineering LLC |
| 6 | | Primary 147, rue de Rollingergrund | Luxembourg | LU | | Civil Engineering | N/A | Sébastien Ronzani | Projeteur VRD chez LUX C.E.C. S.A. |
| 7 | | 13, rue Kalchesbruck | Luxembourg | LU | | Civil Engineering | N/A | Thilo Paganetti | Chef de Projet infrastructure chez Au CARRE |
| 8 | | Primary | Aspelt | LU | | Civil Engineering | N/A | Pascal Iaquinta | GERANT |
| 9 | | Primary . . | Aspelt | LU | | Civil Engineering | N/A | Mihai Pop-Coman | Business Development : challenge the known and embrace the unknown! |
| 10 | | Primary 10 Rue de l'Avenir | Foetz | LU | | Mechanical or Industrial Engineering | N/A | Michael Aloi | Administrateur-Directeur Pôle Energie chez MERITECH SA |
| 11 | | Primary Op der Bréimicht 11 | Lentzweiler | LU | | Mechanical or Industrial Engineering | N/A | patrick poirrier | executive vice president administration and manager human resources |
| 12 | | Primary 47, rue Gabriel Lippmann | Niederanven | LU | | Innovative Engineering | N/A | Laurent Heinen | Associé chez INCA Ingénieurs Conseils Associés S.à r.l. |
| 13 | | Primary | Luxembourg | LU | | Data Driven Engineering | N/A | Victor Nitu | Data Engineer at Phi Skills |
| 14 | | 51 avenue de la gare | LUXEMBOURG | LU | | Mechanical or Industrial Engineering | N/A | David Leclere | Responsable Comptable Groupe |
| 15 | | Primary 43-45, ZA Op Zaemer | Luxembourg | LU | | Civil Engineering | N/A | Francis Timmermans | General Manager at Fallprotec SA |
| 16 | | Primary 13 route de Kayl | Noertzange | LU | | Mechanical or Industrial Engineering | N/A | David Ollio | Directeur Général chez VAP Industrie SAS |
| 17 | | Primary 64, Rue de Crauthem | Peppange | LU | | Mechanical or Industrial Engineering | N/A | Tony DA COSTA | Elevator Specialist & Sales Manager Orona Luxembourg |
| 18 | | Primary 4, rue de Bitbourg | Luxembourg | LU | | Civil Engineering | N/A | Mathias B. Ferreira França | Engenharia |
| 19 | | Primary 18 rue des Moulins | Bissen | LU | | Mechanical or Industrial Engineering | N/A | N/A | N/A |
| 20 | | Primary 55, Allée de la Poudrerie | Kockelscheuer | LU | | Engineering & Consulting Luxembourg | N/A | Roland Streber | Engineer, CEO ProNewTech - Honorary Consul of Slovenia to the Grand-Duchy of Luxembourg |
