Top contractors in Luxembourg
| Company Name | Country | City | Address 1 | State/Province | Postal Code | Website | Founding Year | Yearly Revenue in U.S. Dollars | Employees Total | Business Legal Type - Description | Number of Companies in Group | Company Registration Number | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Socom S.A. | Luxemburg | Mondercange | Rue Du Commerce 10 | Esch-sur-alzette | 3895 | socom.***** | 1994 | $141,373,771 | 665 | Corporation | N/A | B49898 |
| 2 | A + P Kieffer Omnitec S.A R.L. | Luxemburg | Luxembourg | Rue Guillaume J. Kroll 9 | Luxembourg | 1882 | apko.***** | 1994 | $128,221,689 | 393 | Corporation | 2 | B48224 |
| 3 | Kyotec Luxembourg S.A R.L. | Luxemburg | Bissen | Zac Klengbousbierg 28 | Mersch | 7795 | kyotecgroup.***** | 2015 | $63,461,618 | 72 | Corporation | 75 | B198516 |
| 4 | Veolia Luxembourg S.A. | Luxemburg | Roeser | Rue Geespelt 1-5 | Esch-sur-alzette | 3378 | veolia.***** | 2003 | $62,166,691 | 251 | Corporation | 6176 | B97226 |
| 5 | Prefalux Construction S.A. | Luxemburg | Junglinster | Rue de la Gare 18 | Grevenmacher | 6117 | prefalux.***** | 1974 | $54,593,410 | 262 | Corporation | 11 | B12558 |
| 6 | Entrapaulus Construction SA | Luxemburg | Wuermeldéng | Zone Artisanale Rue Hiel 66 | Grevenmacher | 5485 | entrapaulus.***** | 1994 | $51,743,635 | 101 | Corporation | 6 | B49169 |
| 7 | Reckinger Alfred S.A. | Luxemburg | Sanem | Zare Ouest 11 | Esch-sur-alzette | 4384 | reckinger-alfred.***** | 1997 | $47,624,682 | 251 | Corporation | N/A | B58084 |
| 8 | Cel S.A. | Luxemburg | Luxembourg | Rue de Hollerich 56-62 | Luxembourg | 1740 | cel.***** | 1945 | $42,242,891 | 101 | Corporation | 4 | B3727 |
| 9 | Soclair Equipements S.A. | Luxemburg | Luxembourg | Rue Kalchesbruck 7 | Luxembourg | 1852 | soclair.***** | 1980 | $38,797,579 | 230 | Corporation | N/A | B17638 |
| 10 | Mersch & Schmitz Production | Luxemburg | Capellen | Route de Capellen 26 | Capellen | 8279 | mersch-schmitz.***** | 2012 | $37,476,418 | 181 | Corporation | 2 | B89886 |
| 11 | Polygone | Luxemburg | Mersch | Rue de la Gare 37 | Mersch | 7535 | polygone.***** | 1981 | $35,835,648 | 250 | Corporation | 3 | B18095 |
| 12 | Mannelli & Associes S.A. | Luxemburg | Bertrange | Route de Longwy 50 | Luxembourg | 8080 | mannelli.***** | 1992 | $30,910,196 | 190 | Corporation | N/A | B42593 |
| 13 | Telkea ICT S.A. | Luxemburg | Luxembourg | Rue de Bitbourg 1 | Luxembourg | 1273 | telkea.***** | 1932 | $30,532,181 | 160 | Corporation | 3 | B4229 |
| 14 | Mabilux S.A. | Luxemburg | Roeser | Rue de L'Innovation 21 | Esch-sur-alzette | 1896 | mabilux.***** | 1987 | $28,625,700 | 72 | Corporation | 149 | B36723 |
| 15 | Schindler | Luxemburg | Roeser | Rue de L'Innovation 7 | Esch-sur-alzette | 1896 | schindler.***** | 1946 | $27,059,737 | 100 | Corporation | 821 | B3896 |
| 16 | Societe De Climatisation | Luxemburg | Mondercange | Rue Du Commerce 10 | Esch-sur-alzette | 3895 | soclima.***** | 1980 | $26,145,457 | 165 | Corporation | 5 | B17482 |
| 17 | Schreinerei V. Messerich | Luxemburg | Hosingen | Z.a.e.r. Op der Hei | Clervaux | 9809 | messerich.***** | 2012 | $23,196,055 | 51 | Corporation | 2 | B92763 |
| 18 | Tsg Steinebach S.A R.L. | Luxemburg | Contern | Rue Läiteschbaach 1 | Luxembourg | 5324 | steinebach.***** | 1994 | $23,175,876 | 48 | Corporation | N/A | B47399 |
| 19 | Energolux S.A. | Luxemburg | Luxembourg | Rue de Bitbourg 7 | Luxembourg | 1273 | energolux.***** | 1995 | $21,693,946 | 60 | Corporation | 4180 | B53331 |
| 20 | Mersch & Schmitz Services S.AR.L. | Luxemburg | Capellen | Route de Capellen 26 | Capellen | 8279 | mersch-schmitz.***** | 2002 | $20,824,596 | 1 | Corporation | N/A | B89887 |
| 21 | Wako S.A. | Luxemburg | Differdange | Z.a.c. Haneboesch Ii 2 | Esch-sur-alzette | 4563 | wako.***** | 1930 | $20,321,685 | 141 | Corporation | 5 | B49578 |
| 22 | Electricite Du Grand Duche De Luxembourg S.A. | Luxemburg | Pétange | Rue Robert Krieps 16 | Esch-sur-alzette | 4702 | egdl.***** | 2004 | $16,575,878 | 160 | Corporation | N/A | B102381 |
| 23 | A. Muller & Fils | Luxemburg | Luxembourg | Rue Evy Friedrich 25 | Luxembourg | 1552 | muller.***** | 1988 | $16,471,784 | 101 | Corporation | N/A | B27676 |
| 24 | Huawei Technologies Luxembourg SA | Luxemburg | Luxembourg | Rue Edward Steichen 13 | Luxembourg | 2540 | huawei.***** | 2008 | $15,527,167 | 43 | Corporation | 192 | B143507 |
| 25 | Electricite Wagner S.A. | Luxemburg | Klierf | Giällewee 7 | Clervaux | 9749 | elwa.***** | 1990 | $8,234,159 | 50 | Corporation | 124 | B94512 |
Showing 25 of 2,623 companies
Request Free SampleContractors in Luxembourg by canton
2,623 contractors across 12 cantons. The table below shows the share each canton holds.
Contractors in Luxembourg by employee size
| Bracket | Businesses | Share |
|---|---|---|
| 1-4 | 1,819 | |
| 10-19 | 286 | |
| 20-49 | 216 | |
| 5-9 | 214 | |
| 50-99 | 53 | |
| 100-199 | 21 | |
| 200-499 | 8 | |
| 0 or Unknown | 4 | |
| 500-999 | 2 |
Contractors in Luxembourg by revenue
| Bracket | Businesses | Share |
|---|---|---|
| 100.001 to 499.999 | 2,335 | |
| 500.000 to 999.999 | 213 | |
| 1 to 100.000 | 23 | |
| 1.000.000 to 4.999.999 | 21 | |
| 10.000.000 to 49.999.999 | 18 | |
| 0 or Unknown | 5 | |
| 50.000.000 to 99.999.999 | 4 | |
| 5.000.000 to 9.999.999 | 2 | |
| 100.000.000 to 499.999.999 | 2 |
NACE Rev 2 classification for Luxembourg contractors
Luxembourg contractors are classified under NACE Rev 2 division 43. Luxembourg applies the standard NACE Rev 2 classification used across the European Union. The list above covers every active business in this category registered with the RCSL (Luxembourg Business Register).
Closely related business services
Frequently asked questions about contractors in Luxembourg
Our list tracks 2,623 active contractors across Luxembourg's 12 cantons, sourced from the Registre de Commerce et des Sociétés (RCSL) and verified monthly. The exact count changes as firms register, dissolve and merge.
The canton with the most contractors is Esch-Sur-Alzette, followed by the other major cantons. The full canton breakdown above shows the share each of Luxembourg's 12 cantons holds.
Luxembourg contractors are classified under NACE Rev 2 division 43 in the NACE Rev 2 system. The list above covers every active business in this category registered with the RCSL. Luxembourg applies the standard NACE Rev 2 classification used across the EU.
Yes. Apply your filters (canton, size, revenue, etc.) on the platform, preview the result, then export the full filtered list as CSV or Excel. Larger exports are delivered by email link. Request a free sample first if you want to evaluate the data before you buy.
Every record includes the firm name, full address, primary phone, business email (where available), website, RCS number, VAT registration, employee size, revenue band, founding year and NACE Rev 2 classification. Records are sourced from the Registre de Commerce et des Sociétés (RCSL) and re-verified monthly.
Monthly. Each refresh removes firms that have dissolved and adds new registrations from the latest RCSL feeds. The "Last updated" line at the top of this page shows the most recent refresh date.
12 cantons have at least one active contractor in our list. The canton with the most contractors is Esch-Sur-Alzette, followed by the other major cantons. Use the canton breakdown table above to see the full distribution.
