| Fonds du Logement | Body governed by public law | 251 | €188.9M |
| Administration des bâtiments publics | Body governed by public law | 107 | €201.3M |
| European Investment Bank | EU institution, body or agency | 94 | €450.9M |
| Centre des technologies de l'information de l'Etat | Body governed by public law | 87 | €184.7M |
| Le Fonds Belval | Body governed by public law | 84 | €222.3M |
| Société Nationale des Chemins de Fer Luxembourgeois | Body governed by public law | 74 | €412.7M |
| Ministère de l’Éducation nationale, de l’Enfance et de la Jeunesse | Central government authority | 72 | €218.1M |
| UNIVERSITE DU LUXEMBOURG | Body governed by public law | 61 | €57.6M |
| European Parliament, INLO - Directorate-General for Infrastructure and Logistics | EU institution, body or agency | 57 | €16.4M |
| Administration communale de Pétange | Body governed by public law | 40 | €47.2M |
| European Commission, DG ESTAT - Eurostat | EU institution, body or agency | 40 | €23.8M |
| MAEE-Direction de la Défense | Body governed by public law | 39 | €253.2M |
| Translation Centre for the Bodies of the European Union | EU institution, body or agency | 36 | €26.8M |
| ESPON EGTC | Body governed by public law | 33 | €11.6M |
| Corps Grand-Ducal d'Incendie et de Secours | Body governed by public law | 30 | €38.8M |
| Administration Communale d’Esch-sur-Alzette | Public undertaking (central government) | 27 | €18.5M |
| Centre de gestion informatique de l'éducation | Body governed by public law | 27 | €24.8M |
| Commission de Surveillance du Secteur Financier | Public undertaking (central government) | 27 | €310.7M |
| Luxembourg Institute of Health | Public undertaking (central government) | 27 | €15.1M |
| Ville de Luxembourg - Service Canalisation | Body governed by public law | 27 | €139.6M |
| Agence pour le développement de l'emploi | Body governed by public law | 26 | €15.1M |
| European Commission, Publications Office | EU institution, body or agency | 26 | n/a |
| MAEE, de la Défense, de la Coopération et du Commerce extérieur-Direction de la Défense | Body governed by public law | 26 | €55.0M |
| Centre Hospitalier de Luxembourg | Public undertaking (central government) | 25 | €159.7M |
| European High-Performance Computing Joint Undertaking | EU institution, body or agency | 24 | €1.8bn |
| Commission européenne, OIL - Office Infrastructures et Logistique à Luxembourg | EU institution, body or agency | 23 | €49.9M |
| ESPON EGTC (European Grouping of Territorial Cooperation) | Body governed by public law | 19 | €5.2M |
| YOLANDE ASBL | Body governed by public law | 19 | €5.6M |
| Fédération des Hôpitaux Luxembourgeois | Body governed by public law | 18 | €35.9M |
| SERVIOR - Centres, Foyers et Services pour personnes âgées | Body governed by public law | 17 | €37.0M |
| Administration des transports publics | Body governed by public law | 16 | €203.1M |
| European Commission, DG ENER - Energy | EU institution, body or agency | 14 | €5.8M |
| Parlement européen | EU institution, body or agency | 14 | €26.1M |
| Cour de justice de l’Union européenne | EU institution, body or agency | 13 | €29.6M |
| Division des Ateliers Centraux | Body governed by public law | 13 | €10.6M |
| Hôpitaux Robert Schuman S.A. | Body governed by public law | 13 | €8.0M |
| Office national de l'accueil | Public undertaking (central government) | 13 | €105.1M |
| Administration communale de la Ville de Luxembourg | Public undertaking (central government) | 12 | €47.0M |
| Administration de la navigation aérienne | Body governed by public law | 12 | €367.2M |
| Centre Hospitalier Emile Mayrisch | Body governed by public law | 12 | €105.1M |
| Claire ASBL | | 12 | €3.3M |
| Commission européenne, Office pour les infrastructures et la logistique à Luxembourg (OIL) | EU institution, body or agency | 12 | €63.6M |
| Ministère des Affaires étrangères et européennes, de la Défense, de la Coopération et du Commerce extérieur-Direction de la Défense | Central government authority | 12 | €52.0M |
| Administration des Ponts et Chaussées | Body governed by public law | 11 | €9.3M |
| CGDIS - Corps Grand-Ducal Incendie & Secours | Body governed by public law | 11 | €5.9M |
| Ecole européenne Luxembourg I | EU institution, body or agency | 11 | €245k |
| European Public Prosecutor’s Office | EU institution, body or agency | 10 | €59.3M |
| Klima-Agence G.I.E. | Public undertaking (central government) | 10 | €6.1M |
| Ville de Luxembourg | Local authority | 10 | €55.1M |