| vdl | Administration Communale Luxemberg |
| alfaconsult | Alfa Consult SA |
| acett | Antenne Collective Ettelbruck ASBL |
| aossia | AOSSIA S.A. |
| bcee | Banque et Caisse d'Epargne de l'Etat Luxembourg |
| bce | Broadcasting Center Europe (an RTL Group Company) |
| infonetlux | BT Global Services Luxembourg S.a.r.l |
| c2dsystem | C2D System House Luxembourg SA |
| caindosuez | CA Indosuez Wealth (Europe) S.A. |
| m7group | Canal+ Luxembourg Sarl |
| cebiinternational | CEBI International SA |
| ddpo | Cedric Dasnois |
| cegecom | CEGECOM S.A. |
| cel | CEL S.A. |
| secu | Centre commun de la securite sociale |
| cmd | Centre de Telecommunications et Teleinformatiques Luxembourgeois s.a. |
| cdt-eu | Centre de Traduction des organes de l Union Europeenne |
| cie | Centre des technologies de l'information de l'Etat |
| chd-ripe | Chambre des Deputes Luxembourg |
| cs | Clearstream Services S.A. |
| cfrz | Compagnie Financiere Roger Zannier SA |
| conostix | Conostix S.A. |
| crossing | CROSSING TELECOM SARL |
| cybersecure1 | cybersecure S.a.r.l |
| cyclop | Cyclop S.a r.l. |
| data4 | DATA4 LUXEMBOURG s.a r.l |
| dclux | Datacenter Luxembourg S.A. |
| deloitte | Deloitte General Services sarl |
| dennemeyertechsys | Dennemeyer TechSys S.A. |
| dnxnetwork | dnx network sarl |
| skycom | EcoMobility S.a r.l. |
| eltrona | Eltrona Interdiffusion S.A. |
| encevo | Encevo S.A |
| eurobase-gmbh | Eurobase GmbH |
| ec | European Commission |
| curia | European Court of Justice |
| eu-parliament | European Parliament |
| eppo1 | European Public Prosecutor's Office |
| restena | Fondation RESTENA |
| g-core | G-Core Innovations S.a r.l. |
| g-core1 | G-Core Innovations S.a r.l. |
| gcore | G-Core Innovations S.a r.l. |
| gcorelabs | G-Core Labs S.A. |
| ghishin | GhiShin S.A. |
| gits | Global IT Services PSF SA |
| hotcity | HOTCITY SA |
| infeurope | Infeurope S.A. |
| innova | Innova Co S.A.R.L. |
| ion | ION Network Solutions s.a r.l. |
| sggsa | IQ EQ (Luxembourg) S.A. |
| itech28 | ITech28 S.a.r.l. |
| jwe | JWE S.a r.l. |
| kpmgsc | KPMG Audit S.a r.l. |
| laprovencale | La Provencale Sarl |
| labgroup | Lab Luxembourg S.A. |
| lhisp | LHISP S.A. |
| mindgeek | Licensing IP International S.a r.l. |
| lu-cix | LU-CIX Management G.I.E. |
| luxlink | Lux Green Technologies Sarl |
| luxair | LUXAIR, Societe Luxembourgeoise de Navigation Aerienne S.A. |
| lxc | LuxChan S.A R.L.-S |
| luxconnect | LuxConnect S.A. |
| smile | Luxembourg House of Cybersecurity |
| luxonline | Luxembourg Online S.A. |
| luxgovsat | LuxGovSat S.A. |
| luxnetwork | LUXNETWORK S.A. |
| luxprovide | LuxProvide S.A. |
| mixvoip | Mixvoip S.A. |
| mixvoip1 | Mixvoip S.A. |
| mixvoip2 | Mixvoip S.A. |
| mtxc | MTX Connect S. a r.l. |
| mtxs | MTX Services Sarl |
| nspa | NATO SUPPORT AND PROCUREMENT AGENCY |
| didata | NTT Luxembourg PSF S.A. |
| luxcommunications | Orange Communications Luxembourg S.A |
| pt | POST Luxembourg |
| ebrc | POST Telecom S.A. |
| pricewaterhousecoopers | PricewaterhouseCoopers Societe cooperative |
| mssproximus | Proximus Luxembourg S.A. |
| tangomobile | Proximus Luxembourg S.A. |
| rcarre | RCARRE S.A. |
| rcube | Rcube Professional Services S.A. |
| rfasarl | RFA S.A.R.L. |
| root | root SA |
| rotarex | Rotarex S.A. |
| sardina | Sardina Systems Sarl |
| astranet | SES ASTRA S.A. |
| skypetech | Skype Communications Sarl |
| lux-airport | Societe de l'aeroport de Luxembourg SA |
| cfl | Societe Nationale Des Chemins De Fer Luxembourgeois ET. D'UTIL. PUB |
| sodrugestvo | SODRU S.A. |
| ariane-soft | Telkea Soft S.A. |
| netline | TELKEA TELECOM SA |
| systemsolutions | Trustteam Luxembourg S.A. |
| ict-media | Uwe Zeidler |
| vo | Visual Online S.A. |
| voipgate | Voipgate S.A. |
| voipgate1 | Voipgate S.A. |
| voipgate2 | Voipgate S.A. |
| spse | Worldline Financial Services (Europe) S.A. |
| zonat | Zonat Sarl |