| Certificaathouder | Certificaatnummer | Product | Trede | Geldig tot | Hoofdvestiging | Land | Kvk |
|---|---|---|---|---|---|---|---|
| SPIE Nederland B.V. - Schiedam | 2261938 | Approved Self Assessment | 20-01-2025 | Schiedam | NL | 14635629 | |
| SPIE Nederland B.V. - Tilburg | 2261941 | Approved Self Assessment | 20-01-2025 | Tilburg | NL | 14635629 | |
| SPIE Nederland B.V. - Herten(SPIE Nederland B.V. - Tilburg) | 2261941 | Approved Self Assessment | 20-01-2025 | Herten | NL | 14635629 | |
| SPIE Infratechniek B.V. - Apeldoorn | 2268303 | Approved Self Assessment | 08-11-2025 | Apeldoorn | NL | 9208301 | |
| SPIE Infratechniek B.V. - Weert(SPIE Infratechniek B.V. - Apeldoorn) | 2268303 | Approved Self Assessment | 08-11-2025 | Weert | NL | 9208301 | |
| Strukton Infrastructure Specialties B.V. | K-0214293/1 | SCL Original | 5 | 06-11-2026 | Utrecht | NL | 85008869 |
| autmatec GmbH Leitungs- und Netzbau | 4.09.0035 | SCL | 3 | 29-11-2025 | Walldorf | DE | HRB 432834 |
| De Medts | 0418SCL318 | SCL Original | 4 | 16-10-2025 | Wijnegem | BE | 0400.853.587 |
| BKW Energy Solutions GmbH | 2268632 | SCL | 3 | 28-11-2025 | Weiterstadt | DE | HRB 102706 |
| HaskoningDHV Nederland B.V. Business Unit Rail & Mobility Hubs | 0418SCL326 | SCL Original | 4 | 15-11-2025 | Utrecht | NL | 56515154 |
| ENPROM Sp. z o.o. | 2267849 | SCL | 3 | 30-11-2025 | Warszawa | PL | KRS: 0000365831 |
| Viro Echt B.V. Afdeling Industriële Projecten | 13263-12.2 | SCL | 3 | 30-11-2025 | Echt | NL | 06089929 |