| 1535 Creative Hub | |
| 212 | Luxembourg |
| 3D Virtual Development | Esch-sur-Alzette |
| 42 Luxembourg | |
| A352 S.à r.l. | |
| Abacus Consulting & Solutions S.A. | |
| ABL S.A. | |
| AC Automation | Luxembourg |
| Accessit.lu | |
| Account-IT | Luxembourg |
| Accumalux S.A. | |
| Act Today | |
| Adara Ventures | Luxembourg |
| Addedsense | Luxembourg |
| Adoraweb | |
| Advanced Logic Technology | Redange |
| Advanzia Bank S.A. | Luxembourg |
| AdwaïsEO | |
| Agence de l’Énergie S.A. | |
| AgilePartner S.A. | Luxembourg |
| All In One Technologies S.A. | |
| Alpha Intelligence Capital | |
| Alter Domus | |
| Alter Domus Luxembourg S.à.r.l. | |
| Alternatives Communications | |
| Amyma Web S.à.r.l. | Luxembourg |
| Ancibel S.à r.l. | |
| Aperam | |
| APS S.A. | |
| Arch Summit | Luxembourg |
| ArianeSoft S.A. | Luxembourg |
| Arspectra S.à.r.l. | |
| Artelis S.A. | Luxembourg |
| Artemis Information Management S.A. | |
| Association des Banques et Banquiers, Luxembourg | |
| Association of the Luxembourg Fund Industry | |
| Association Professionelle de la Société de l'Information | Luxembourg |
| ATEEL S.à r.l. | |
| Avanterra | |
| Axiome Consulting S.A. | Esch-sur-Alzette |
| B Medical Systems | Clervaux |
| Backbone (Luxembourg) S.A. | |
| BALEL | |
| Banking Circle | Luxembourg |
| Banque centrale du Luxembourg | |
| Banque de Luxembourg | Luxembourg |
| Banque Havilland | Luxembourg |
| Banque Internationale à Luxembourg | Luxembourg |
| Base 1 Makerspace | Luxembourg |
| Bee creative | Luxembourg |